mlso.daily.2018 --------------- The following is a list of activity as noted by HAO staff in Boulder, where the MLSO data are processed and analyzed. More information concerning observations at MLSO can be found at http://mlso.hao.ucar.edu. Dates are given by calendar day and by year/day-of-year. but note that the activity report refers to the MLSO observing day, NOT to the calendar day. The typical observing day at MLSO is from about 1700-1730UT to about 0200UT. ----------------------------------------------------------------------- Key to abbreviations: AR Active Region CME Coronal Mass Ejection PA Position angle (measured counterclockwise from north pole. e.g., east equator = 90 degrees, west equator = 270 degrees) R Solar radius: e.g., 0.9R is 0.9 solar radii from sun center projected onto the plane of the sky. UT Universal time ----------------------------------------------------------------------- 2018-01-01 2018d001 KCor: No noticeable coronal activity. Small, dark round coronal cavity in the NE. CoMP: Small active prominence in the SE. Huge active prominence in the W-SW. Active prominence in the NW Dark cavity in the NE visible in intensity, velocity and L/I. 2018-01-02 2018d002 KCor: No noticeable coronal activity. CoMP: Low-lying active prominence in the SE. Active possibly eruptive prominence in the NW. Coronal cavity/pseudo-streamer in the NE. 2018-01-03 2018d003 KCor: No noticeable coronal activity. CoMP: Low-lying active prominence in the SE. Coronal cavity in the SE visible in intensity, velocity and L/I. 2018-01-04 2018d004 KCor: No noticeable coronal activity. Coronal cavity in the SE. CoMP: Large, tall active prominence in the SE Coronal cavity in the SE best visible in intensity and velocity, faint signature in L/I. 2018-01-05 2018d005 KCor: No noticeable coronal activity. Coronal cavity in the SE. CoMP: Large, tall active prominence in the SE. Large, tall coronal cavity in the SE visible in intensity and velocity. Coronal cavity in the E-SE best visible in velocity. 2018-01-06 2018d006 KCor: No noticeable coronal activity. CoMP: Large, arched active prominence in the SE. Coronal cavity in the E-SE best visible in velocity. 2018-01-07 2018d007 KCor: No noticeable coronal activity. CoMP: Two coronal cavities in the NE visible in velocity with small prominences. Low-lying prominence in the W-SW. 2018-01-08 2018d008 KCor: No noticeable coronal activity. CoMP: Active prominences in the NE and NW. Coronal cavity in the NE best visible in velocity. 2018-01-09 2018d009 KCor: No noticeable coronal activity. Coronal cavities in the NE and NW. CoMP: Very active, very large and tall prominence in the NE. Large active prominences in the SW and NW. Small coronal cavity E visible in intensity and velocity. 2018-01-10 2018d010 KCor: No noticeable coronal activity. Coronal cavity in the E. CoMP: Very large active prominence in the SW Small coronal cavity E visible in intensity and velocity. Apparent small coronal cavity NW visible in intensity and velocity. 2018-01-11 2018d011 No observations at MLSO today. Overcast. 2018-01-12 2018d012 KCor: No noticeable coronal activity. Faint coronal cavity in the NW. CoMP: Small active prominences in the E, SE and NW. Coronal cavity in the NW visible in intensity and velocity. 2018-01-13 2018d013 KCor: No noticeable coronal activity. Coronal cavity with small bright prominence in the NW. CoMP: Active prominence in the NE, E-SE, SW,and NW. Surging in the E. Dark coronal cavity in the W-NW, visible in intensity, velocity, with faint signature in L/I. 2018-01-14 2018d014 KCor: No noticeable coronal activity. Faint coronal cavity with prominence in the SW Coronal cavity with small bright prominence in the NW. CoMP: Active prominence in the NE and E-SE. Large, bright active prominence in the SW. Bright active prominence in the NW. Possible prominence eruption in the W, prominence appears to rise at 2329-0226UT. Dark coronal cavity in the NW, visible in intensity, velocity, and L/I. 2018-01-15 2018d015 KCor: No noticeable coronal activity. Coronal cavity with small bright prominence in the NW. CoMP: Active prominence in the E. Very active prominence in the SW. Active prominence in the NW Coronal cavity in the NW 2018-01-16 2018d016 KCor: No noticeable coronal activity. CoMP: Small active prominence in the NW. 2018-01-17 2018d017 KCor: No noticeable coronal activity. CoMP: Large active prominence in the E. 2018-01-18 2018d018 KCor: No noticeable coronal activity. CoMP: Large active prominence in the E. Arched prominence eruption in the NE 1951-2256UT. Low-lying coronal cavity in the SW 2018-01-19 2018d019 KCor: No noticeable coronal activity. Faint coronal cavity in the SW. CoMP: Active prominence in the E,SW, and W-NW. Coronal cavity in the SW visible in velocity and L/I. 2018-01-20 2018d020 KCor: No noticeable coronal activity. Tall bright prominence in the SW. CoMP: Active prominence in the E-SE. Very tall, bright, active prominence in the SW. 2018-01-21 2018d021 KCor: No noticeable coronal activity. CoMP: Low-lying prominence in the SE. Multiple faint coronal cavities in the SW, W and NW best noticeable in velocity. 2018-01-22 2018d022 KCor: No noticeable coronal activity. CoMP: No noticeable coronal activity. Very short observing day. 2018-01-23 2018d023 No observations at MLSO today. Cloudy. 2018-01-24 2018d024 KCor: No noticeable coronal activity. Coronal cavity with small bright prominence in the NW. CoMP: Bright active prominence in the NW. Round, dark coronal cavity in the NW with onion-structure visible in intensity and velocity Coronal cavity in the W-SW visible in intensity and velocity with faint signal in L/I 2018-01-25 2018d025 No observations at MLSO today. Cloudy. 2018-01-26 2018d026 No observations at MLSO today. Cloudy. 2018-01-27 2018d027 No observations at MLSO today. Cloudy and rainy. 2018-01-28 2018d028 No observations at MLSO today. Cloudy. 2018-01-29 2018d029 KCor: No noticeable coronal activity. Faint coronal cavity in the W. CoMP: Small prominence in the NE. Small prominences in the SE. Small prominence in the W. Faint coronal cavity in the SE best visible in intensity and velocity. 2018-01-30 2018d030 KCor: No noticeable coronal activity. Faint coronal cavity in the W with small prominence. CoMP: Low-lying active prominence in the NE. Small prominence in the SE. Small prominence in the W. Faint coronal cavity in the SE visible in intensity and velocity. Possible coronal cavity in the W. 2018-01-31 2018d031 KCor: No noticeable coronal activity. Very noisy data. CoMP: Low-lying prominence in the NE. Small prominences in the SE and NW. Small coronal cavity in the NE visible in intensity and velocity. Faint coronal cavity in the SE best visible in velocity. 2018-02-01 2018d032 KCor: No noticeable coronal activity CoMP: Small prominences in the E-NE, and SE. Low-lying prominence in the E-SE Coronal cavity in the E-NE visible in intensity and velocity. Small coronal cavity in the SE visible in intensity and velocity. 2018-02-02 2018d033 No observations at MLSO today. Cloudy. 2018-02-03 2018d034 KCor: No noticeable coronal activity CoMP: Small prominence in the E-NE. Large bright prominence in the E-SE. Small coronal cavity in the E-NE best visible in intensity 2018-02-04 2018d035 KCor: Prominence eruption in progress the SE, but poor quality data 1808-2043UT CoMP: Huge arched prominence eruption in progress in the SE 1830-2115UT. Small coronal cavity in the E-NE visible in intensity and velocity. 2018-02-05 2018d036 No observations at MLSO today. Cloudy. 2018-02-06 2018d037 No observations at MLSO today. Snow. 2018-02-07 2018d038 No observations at MLSO today. Power outage. 2018-02-08 2018d039 KCor: No noticeable coronal activity CoMP: Active prominence in the E. Small active prominence in the NE. Faint coronal cavity in the NE visible in intensity and velocity Faint coronal cavity in the SW visible in intensity and velocity 2018-02-09 2018d040 KCor: No noticeable coronal activity Coronal cavity in the NW. CoMP: Active prominence in the NE. Active prominence in the E. Small coronal cavity in the NE visible in intensity, velocity, and L/I Dark, round, coronal cavity in the NW visible in intensity, velocity, and L/I 2018-02-10 2018d041 KCor: No noticeable coronal activity CoMP: Very large, very active prominence in the NE. Small active prominence in the E. Small active prominence in the W. Coronal cavity in the NW best visible in intensity and L/I 2018-02-11 2018d042 KCor: No noticeable coronal activity CoMP: Thin tall prominence with material escaping outward in the NE, this appears to be the end of the prominence eruption of the large prominence seen yesterday. Active prominence in the E-SE. Active prominence in the W-SW. 2018-02-12 2018d043 KCor: No noticeable coronal activity CoMP: Bright, large active prominence in the E-SE. Active prominence in the W-SW. 2018-02-13 2018d044 No observations at MLSO today. Cloudy all day. 2018-02-14 2018d047 KCor: No noticeable coronal activity. CoMP: Active prominences on the E and W limb Faint coronal cavity in the SW 2018-02-15 2018d046 KCor: No noticeable coronal activity. CoMP: Active prominences on the E, SW, and W limb Coronal cavity in the SW visible in intensity and velocity. 2018-02-16 2018d047 KCor: No noticeable coronal activity. Coronal cavity in the SW. CoMP: Active prominences in the SE and SW. Very active prominences in the W-SW. Coronal cavity in the SE visible in intensity and velocity. Coronal cavity in the SW visible in intensity and velocity. 2018-02-17 2018d048 No observations at MLSO today. Cloudy. 2018-02-18 2018d049 No observations at MLSO today. Cloudy all day. 2018-02-19 2018d050 KCor: No noticeable coronal activity. Short observing day. CoMP: Active prominence in the SE. Large coronal cavity in the SE visible in intensity, velocity and L/I. Coronal cavity in the SW visible in intensity and velocity. Coronal cavity in the W best visible in velocity. 2018-02-20 2018d051 KCor: No noticeable coronal activity. Coronal cavity in the SE CoMP: Small prominence in the SE. Large coronal cavity in the SE visible in intensity, velocity and L/I. Coronal cavity in the W visible in intensity, velocity and L/I. 2018-02-21 2018d052 No observations at MLSO today. Fog and rain. 2018-02-22 2018d053 No observations at MLSO today. Some rain and clods all day. 2018-02-23 2018d054 No observations at MLSO today. Fog and rain. 2018-02-24 2018d055 No observations at MLSO today. Cloudy. 2018-02-25 2018d056 No observations at MLSO today. Fog and rain. 2018-02-26 2018d057 No observations at MLSO today. Overcast with thunderstorms. 2018-02-27 2018d058 KCor: No noticeable coronal activity. Coronal cavity with small prominence in the SE CoMP: No data today 2018-02-28 2018d059 No observations at MLSO today. Overcast. 2018-03-01 2018d060 No observations at MLSO today. Overcast. 2018-03-02 2018d061 KCor: No noticeable coronal activity. Coronal cavity with small bright prominence in the SE. CoMP: Bright active prominence in the SE. Faint coronal cavity best visible in velocity. Small coronal cavity in the SE visible in intensity, velocity and L/I. 2018-03-03 2018d062 No observations at MLSO today. Cloudy. 2018-03-04 2018d063 KCor: No good data today. CoMP: No good data today. 2018-03-05 2018d064 No observations at MLSO today. Overcast. 2018-03-06 2018d065 KCor: No noticeable coronal activity. Faint coronal cavities in the NE, E-SE, SE. CoMP: Low-lying prominence in the NE. Small prominence in the SW. Faint loops in the W Faint, small coronal cavity in the NE, possible pseudo-streamer Faint coronal cavity in the E-SE best seen in L/I. Coronal cavity in the SW best seen in velocity 2018-03-07 2018d066 KCor: No noticeable coronal activity. Short observing day. CoMP: Low-lying prominence in the SW Coronal cavity in the SW. Surge in the NW visible in HeI at about 2031-2045UT 2018-03-08 2018d067 No observations at MLSO today. Cloudy. 2018-03-09 2018d068 No observations at MLSO today. Overcast. 2018-03-10 2018d069 No observations at MLSO today. Overcast. 2018-03-11 2018d070 No observations at MLSO today. Cloudy. 2018-03-12 2018d071 No observations at MLSO today. Clouds and some rain. 2018-03-13 2018d072 No observations at MLSO today. Drizzle. 2018-03-14 2018d073 No observations at MLSO today. Fog and rain. 2018-03-15 2018d074 KCor: No noticeable coronal activity. Short observing day. Coronal cavities in the NE. CoMP: Coronal cavity in the NE, possible pseudo-streamer visible in intensity and velocity Coronal cavity in the SW visible in intensity, velocity and L/I. Coronal cavity in the NW visible in intensity and velocity 2018-03-16 2018d075 KCor: No noticeable coronal activity. Two coronal cavities in the NE. Coronal cavity in the SE. Coronal cavity in the SW. CoMP: Small prominences in the NE, E, and SE. Two coronal cavities in the NE visible in intensity, velocity and L/I, apparent pseudo-streamer Coronal cavity in the SW visible in intensity and velocity 2018-03-17 2018d076 KCor: No noticeable coronal activity. Coronal cavity in the SE. CoMP: Small active prominence in the NE. Active prominence in the SE. Large coronal cavity in the SE visible in intensity, velocity and L/I. Small coronal cavity in the SW visible in intensity and velocity. 2018-03-18 2018d077 KCor: No noticeable coronal activity. Coronal cavity in the SE. Coronal cavity in the NW. CoMP: Small active prominence in the SE. Large coronal cavity in the SE visible in intensity, velocity and L/I. Smaller coronal cavity in the SW visible in intensity, velocity and L/I. 2018-03-19 2018d078 KCor: No noticeable coronal activity. Coronal cavity in the SE. Coronal cavity in the NW. CoMP: Coronal cavity in the SE. 2018-03-20 2018d079 KCor: No noticeable coronal activity. Coronal cavity in the NW. CoMP: Small prominences in the E-SE and SW. 2018-03-21 2018d080 No observations at MLSO today. Overcast. 2018-03-22 2018d081 KCor: No noticeable coronal activity. Small, dark coronal cavity in the NE CoMP: Instrument problem. No good data today. 2018-03-23 2018d082 No observations at MLSO today. Overcast. 2018-03-24 2018d083 No observations at MLSO today. Overcast. 2018-03-25 2018d084 No observations at MLSO today. Overcast. 2018-03-26 2018d085 No observations at MLSO today. Fog. 2018-03-27 2018d086 KCor: No noticeable coronal activity. Coronal cavities in the NE and SE. CoMP: Low-lying prominence in the NW. Bad data 2018-03-28 2018d087 KCor: No noticeable coronal activity. Coronal cavities in the NE and SE. CoMP: Small prominence in the E-NE, SE, and SW. Active prominence in the NW. Round coronal cavity in the SE visible in intensity and velocity. 2018-03-29 2018d088 KCor: No noticeable coronal activity. Coronal cavity in the SE CoMP: Small prominence in the E-NE Round coronal cavity in the SE visible in intensity, velocity and L/I. 2018-03-30 2018d089 KCor: Faint CME in the E-SE at about 1812-1832 CoMP: Small prominence in the E-NE Active prominence in the W. Coronal cavity in the E-NE visible in intensity and velocity Coronal cavity in the SE visible in intensity, velocity and faint signature in L/I. 2018-03-31 2018d090 KCor: Coronal cavity in the SE. Short observing day. CoMP: No observations today. 2018-04-01 2018d091 No observations at MLSO today. Cloudy. 2018-04-02 2018d092 No observations at MLSO today. Light rain. 2018-04-03 2018d093 No observations at MLSO today. Fog and rain. 2018-04-04 2018d094 KCor: No noticeable coronal activity. CoMp: No CoMP science data today. Diffuser test but cloudy sky. 2018-04-05 2018d095 No observations at MLSO today. Cloudy. 2018-04-06 2018d096 KCor: No much data. Very short observing day. CoMP: No good data today. 2018-04-07 2018d097 No observations at MLSO today. Cirrus. 2018-04-08 2018d098 No observations at MLSO today. Cirrus. 2018-04-09 2018d099 No observations at MLSO today. Cirrus. 2018-04-10 2018d100 No observations at MLSO today. Overcast. 2018-04-11 2018d101 KCor: No noticeable coronal activity. 2018-04-12 2018d102 KCor: No noticeable coronal activity. Coronal cavity in the SW. 2018-04-13 2018d103 KCor: No noticeable coronal activity. Dark round coronal cavity in the SW. 2018-04-14 2018d104 No observations at MLSO today. Cloudy. 2018-04-15 2018d105 No observations at MLSO today. Cloudy. 2018-04-16 2018d106 No observations at MLSO today. Overcast. 2018-04-16 2018d107 No observations at MLSO today. Cirrus. 2018-04-18 2018d108 No observations at MLSO today. Overcast. 2018-04-19 2018d109 No observations at MLSO today. Cirrus. 2018-04-20 2018d110 No observations at MLSO today. Overcast and light rain. 2018-04-21 2018d111 No observations at MLSO today. Cirrus. 2018-04-22 2018d112 No observations at MLSO today. Cirrus. 2018-04-23 2018d113 KCor: No noticeable coronal activity. 2018-04-24 2018d114 KCor: Little puff noticeable in the W, corresponds to a prominence loop moving outward in AIA appears in KCor as a dark cavity moving outward at 2233-2255UT 2018-04-25 2018d115 KCor: No noticeable coronal activity. 2018-04-26 2018d116 No observations at MLSO today. Cirrus. 2018-04-27 2018d117 No observations at MLSO today. Overcast. 2018-04-28 2018d118 No observations at MLSO today. Overcast. 2018-04-29 2018d119 No observations at MLSO today. Overcast. 2018-04-30 2018d120 No observations at MLSO today. Overcast, light rain. 2018-05-01 2018d121 No observations at MLSO today. Overcast. 2018-05-02 2018d122 No observations at MLSO today. Cirrus. 2018-05-03 2018d123 KCor: No noticeable coronal activity. 2018-05-04 2018d124 No observations at MLSO today. Cirrus. 2018-05-05 2018d125 No observations at MLSO today. Cirrus. 2018-05-06 2018d126 No observations at MLSO today. Cloudy. Fog. 2018-05-07 2018d127 No observations at MLSO today. Overcast. 2018-05-08 2018d128 No observations at MLSO today. Cirrus. 2018-05-09 2018d129 No observations at MLSO today. Cirrus. 2018-05-10 2018d130 No observations at MLSO today. Cirrus. 2018-05-11 2018d131 No observations at MLSO today. Cirrus. 2018-05-12 2018d132 KCor: No noticeable coronal activity. Two faint coronal cavities in the E-SE 2018-05-13 2018d133 KCor: No noticeable coronal activity. 2018-05-14 2018d134 KCor: No noticeable coronal activity. Coronal cavities in the E-SE. One coronal cavity in the SW. 2018-05-15 2018d135 KCor: No noticeable coronal activity. One coronal cavity in the SW. 2018-05-16 2018d136 No observations at MLSO today. Cirrus. 2018-05-17 2018d137 No observations at MLSO today. Cloudy. 2018-05-18 2018d138 KCor: No noticeable coronal activity. Small coronal cavity in the NW. 2018-05-19 2018d139 KCor: No noticeable coronal activity. 2018-05-20 2018d140 KCor: No noticeable coronal activity. 2018-05-21 2018d141 KCor: No noticeable coronal activity. 2018-05-22 2018d142 KCor: No noticeable coronal activity. Coronal cavity in the NE. Small coronal cavity in the NW. 2018-05-23 2018d143 No observations at MLSO today. Cirrus. 2018-05-24 2018d144 KCor: No noticeable coronal activity. 2018-05-25 2018d145 No observations at MLSO today. Cirrus. 2018-05-26 2018d146 No observations at MLSO today. Cloudy. 2018-05-27 2018d147 No observations at MLSO today. Cirrus. 2018-05-28 2018d148 No observations at MLSO today. Cirrus and volcano smoke. 2018-05-29 2018d149 No observations at MLSO today. Rain. 2018-05-30 2018d150 KCor: No noticeable coronal activity. Coronal cavity in the SE. 2018-05-31 2018d151 No observations at MLSO today. Cloudy. 2018-06-01 2018d152 No observations at MLSO today. Cloudy. 2018-06-02 2018d153 KCor: No noticeable coronal activity. Short observing day. 2018-06-03 2018d154 KCor: Possible CME in the NW seeing as a dark cavity slowly moving outward, this corresponds to an outflow in SDO. hard to determine start time because of noisy images. 2018-06-04 2018d155 KCor: No noticeable coronal activity. Two small coronal cavities in the SE 2018-06-05 2018d156 KCor: No noticeable coronal activity. 2018-06-06 2018d157 KCor: No noticeable coronal activity. Faint coronal cavity in the SE. 2018-06-07 2018d158 No observations at MLSO today. Cloudy. 2018-06-08 2018d159 No observations at MLSO today. Vog then clouds. 2018-06-09 2018d160 KCor: No noticeable coronal activity. Very noisy images (after O1 wash ?) 2018-06-10 2018d161 KCor: No noticeable coronal activity 2018-06-11 2018d162 KCor: No noticeable coronal activity Faint coronal cavity in the SE. Coronal cavity in the SW. Small prominence under the SW cavity appears to rise. 2018-06-12 2018d163 KCor: No noticeable coronal activity Small coronal cavity with small prominence in the SW. 2018-06-13 2018d164 KCor: Coronal cavity with small, thin prominence in the SW. The prominence slowly rises over the day. 2018-06-14 2018d165 KCor: Slow CME in progress in the SW, lasts all day 1716-2028UT. 2018-06-15 2018d166 KCor: No noticeable coronal activity. Short day. 2018-06-16 2018d167 No observations at MLSO today. Vog. 2018-06-17 2018d168 No observations at MLSO today. Cirrus. 2018-06-18 2018d169 No observations at MLSO today. Cirrus. 2018-06-19 2018d170 KCor: No noticeable coronal activity. 2018-06-20 2018d171 KCor: No noticeable coronal activity. 2018-06-21 2018d172 KCor: No noticeable coronal activity. 2018-06-22 2018d173 KCor: No noticeable coronal activity. 2018-06-23 2018d174 KCor: Slow outward motion in the W noticeable at the location of the AR at the limb. It looks like the beginning of an eruption. 2018-06-24 2018d175 KCor: Slow outward motion in the W noticeable at the location of the AR at the limb. It appears to be a slow CME. 2018-06-25 2018d176 KCor: No noticeable coronal activity. Coronal cavity in the NE. 2018-06-26 2018d177 KCor: No noticeable coronal activity. Coronal cavity in the NE. Apparent large coronal cavity in the SW. 2018-06-27 2018d178 KCor: No noticeable coronal activity. Small coronal cavity in the S-SE. 2018-06-28 2018d179 KCor: No noticeable coronal activity. 2018-06-29 2018d180 KCor: No noticeable coronal activity. 2018-06-30 2018d181 KCor: CME/epl in the E-NE seen as a bright front at 1744-2001UT(I think what we see in KCor is the bright prominence material) slowly moving outward and equatorward, corresponds to a prominence eruption in SDO and a CME in LASCO. 2018-07-01 2018d182 KCor: No noticeable coronal activity. Short observing day. 2018-07-02 2018d183 KCor: No noticeable coronal activity. 2018-07-03 2018d184 KCor: Small active prominence in the NW, seen to rise above the occulter. 2018-07-04 2018d185 KCor: No noticeable coronal activity. 2018-07-05 2018d186 KCor: No noticeable coronal activity. 2018-07-06 2018d187 KCor: No noticeable coronal activity. Coronal cavity in the SE. Small coronal cavity in the SW. 2018-07-07 2018d188 KCor: No noticeable coronal activity. Coronal cavity in the SE. 2018-07-08 2018d189 KCor: No noticeable coronal activity. Coronal cavities in the SE, SW, and NW. 2018-07-09 2018d190 KCor: No noticeable coronal activity. Coronal cavity in the SW. 2018-07-10 2018d191 No observations at MLSO today. Cloudy. 2018-07-11 2018d192 No observations at MLSO today. Sky too bright. 2018-07-12 2018d193 No observations at MLSO today. Cirrus. 2018-07-13 2018d194 No observations at MLSO today. Cirrus. 2018-07-14 2018d195 No observations at MLSO today. Cirrus. 2018-07-15 2018d196 No observations at MLSO today. Cirrus. 2018-07-16 2018d197 KCor: No noticeable coronal activity. Coronal cavities in the NE and E. 2018-07-17 2018d198 No observations at MLSO today. Cirrus. 2018-07-18 2018d199 KCor: No noticeable coronal activity. 2018-07-19 2018d200 KCor: No noticeable coronal activity. 2018-07-20 2018d201 No observations at MLSO today. Cirrus. 2018-07-21 2018d202 KCor: No noticeable coronal activity. 2018-07-22 2018d203 KCor: No noticeable coronal activity. Small coronal cavities in the NE and SE 2018-07-23 2018d204 KCor: No noticeable coronal activity. Coronal cavities in the NE and SE 2018-07-24 2018d205 No observations at MLSO today. Cloudy. 2018-07-25 2018d206 KCor: No noticeable coronal activity. 2018-07-26 2018d207 KCor: No noticeable coronal activity. 2018-07-27 2018d208 No observations at MLSO today. Overcast. 2018-07-28 2018d209 KCor: No noticeable coronal activity. Coronal cavity in the NW. 2018-07-29 2018d210 No observations at MLSO today. Cirrus. 2018-07-30 2018d211 No observations at MLSO today. Overcast. 2018-07-31 2018d212 KCor: No noticeable coronal activity. 2018-08-01 2018d213 No observations at MLSO today. Cirrus. 2018-08-02 2018d214 KCor: No noticeable coronal activity. 2018-08-03 2018d215 No observations at MLSO today. Cirrus. 2018-08-04 2018d216 No observations at MLSO today. Cirrus. 2018-08-05 2018d217 No observations at MLSO today. Cirrus. 2018-08-06 2018d218 KCor: No noticeable coronal activity. Short observing day. 2018-08-07 2018d219 KCor: No noticeable coronal activity. 2018-08-08 2018d220 No observations at MLSO today. 2018-08-09 2018d221 No observations at MLSO today. Cloudy. 2018-08-10 2018d222 No observations at MLSO today. Cirrus. 2018-08-11 2018d223 KCor: No noticeable coronal activity. Large coronal cavity in the NE. Small coronal cavity in the SW. 2018-08-12 2018d224 KCor: No noticeable coronal activity. Fuzzy coronal cavity in the NE Coronal cavities in the SW and NW. 2018-08-13 2018d225 KCor: No noticeable coronal activity. Coronal cavities in the SW and NW. 2018-08-14 2018d226 No observations at MLSO today. Cirrus and light rain. 2018-08-15 2018d227 KCor: No noticeable coronal activity. Streamer in the SE appears to rise, corresponds to a faint eruption visible in AIA 171A. 2018-08-16 2018d228 KCor: No noticeable coronal activity. 2018-08-17 2018d229 KCor: No noticeable coronal activity. Small coronal cavities in the NE and SW. 2018-08-18 2018d230 KCor: No noticeable coronal activity. Small coronal cavity in the NE. Coronal cavity with tiny prominence in the SW. 2018-08-19 2018d231 KCor: No noticeable coronal activity. Small coronal cavities in the NE and SE. 2018-08-20 2018d232 KCor: No noticeable coronal activity. Coronal cavity with small bright prominence in the E-NE. 2018-08-21 2018d233 No observations at MLSO today. Cloudy. 2018-08-22 2018d234 No observations at MLSO today. Cloudy. 2018-08-23 2018d235 No observations at MLSO today. Overcast with light rain. 2018-08-24 2018d236 No observations at MLSO today. Cloudy and rainy. 2018-08-25 2018d237 No observations at MLSO today. Cloudy and foggy. 2018-08-26 2018d238 No observations at MLSO today. Rainy 2018-08-27 2018d239 KCor: No noticeable coronal activity. Only a few images taken today. Dark, round coronal cavity in the NE. 2018-08-28 2018d240 No observations at MLSO today. Cloudy. 2018-08-29 2018d241 KCor: No noticeable coronal activity. Coronal cavity in the NE. Possible pseudostreamer in the SE. 2018-08-30 2018d242 KCor: Apparent outward motion in the W at the location of the ARs just behind the limb, also noticeable in AIA. Coronal cavity in the NE. 2018-08-31 2018d243 KCor: No noticeable coronal activity. Coronal cavity in the SE. Coronal cavity in the NW. 2018-09-01 2018d244 KCor: No noticeable coronal activity. Coronal cavity in the SE. Coronal cavity in the NW. 2018-09-02 2018d245 KCor: No noticeable coronal activity. Dark coronal cavity in the NW. 2018-09-03 2018d246 KCor: No noticeable coronal activity. Dark coronal cavity in the SW. 2018-09-04 2018d247 KCor: No noticeable coronal activity. Very dark coronal cavity in the SW. Coronal cavity in the NW. 2018-09-05 2018d248 KCor: No noticeable coronal activity. Large, dark coronal cavity in the SW with small bright prominence. 2018-09-06 2018d249 KCor: No noticeable coronal activity. Coronal cavity in the NE. Large, dark coronal cavity in the SW with bright prominence. 2018-09-07 2018d250 KCor: Slow, narrow CME in progress in the SW at the edge of the streamer 1712-1921UT, appears as a small balloon moving outward with a current sheet behind it. Coronal cavity in the NE. Large, dark coronal cavity in the SW with bright prominence. 2018-09-08 2018d251 KCor: No noticeable coronal activity. Active prominence in the SW. 2018-09-09 2018d252 No observations at MLSO today. Cloudy. 2018-09-10 2018d253 No observations at MLSO today. Cloudy. 2018-09-11 2018d254 KCor: No noticeable coronal activity. Round, dark, coronal cavity in the NW. Possible pseudo-streamer in the SE. 2018-09-12 2018d255 No observations at MLSO today. Overcast. 2018-09-13 2018d256 No observations at MLSO today. Overcast and light rain. 2018-09-14 2018d257 KCor: No noticeable coronal activity. Coronal cavity in the NW. 2018-09-15 2018d258 KCor: No noticeable coronal activity. Coronal cavity in the SE, possible pseudo-streamer. 2018-09-16 2018d259 KCor: No noticeable coronal activity. Dark coronal cavity in the SE with small bright prominence. Coronal cavity in the SW. 2018-09-17 2018d260 KCor: No noticeable coronal activity. 2018-09-18 2018d261 KCor: Possible CME in the SW, seen as dark round cavity/bubble slowly moving outward 1922-2214UT, corresponds to a prominence/cavity eruption seen by AIA and to a narrow CME in LASCO 2018-09-19 2018d262 No observations at MLSO today. 2018-09-20 2018d263 KCor: No noticeable coronal activity. Faint coronal cavity in the E-NE. Possible pseudostreamer in the SW. Small dark coronal cavity in the NW. 2018-09-21 2018d264 KCor: No noticeable coronal activity. Faint coronal cavities in the E-NE and SE. Possible pseudostreamer in the SW. Coronal cavity in the NW. 2018-09-22 2018d265 KCor: No noticeable coronal activity. Possible pseudostreamer in the SE and SW. Coronal cavity in the NW. 2018-09-23 2018d266 KCor: No noticeable coronal activity. Possible pseudostreamer in the SE. 2018-09-24 2018d267 KCor: No noticeable coronal activity. Round, dark coronal cavity in the NE. 2018-09-25 2018d268 KCor: No noticeable coronal activity. Large coronal cavity in the NE with bright prominence. 2018-09-26 2018d269 KCor: No noticeable coronal activity. 2018-09-27 2018d270 KCor: No noticeable coronal activity. 2018-09-28 2018d271 KCor: No noticeable coronal activity. Large coronal cavity in the SE. 2018-09-29 2018d272 KCor: No noticeable coronal activity. Faint coronal cavity in the SE. Small coronal cavity in the NW. 2018-09-30 2018d273 KCor: No noticeable coronal activity. Small, dark coronal cavity in the SW, appears to rise. Faint coronal cavity in the NW. 2018-10-01 2018d274 KCor: No noticeable coronal activity. Very short observing day, only a few images Coronal cavity in the SW 2018-10-02 2018d275 KCor: No noticeable coronal activity. 2018-10-03 2018d276 No observations at MLSO today. Cloudy. 2018-10-04 2018d277 No observations at MLSO today. Cloudy. 2018-10-05 2018d278 No observations at MLSO today. Cloudy. 2018-10-06 2018d279 KCor: No noticeable coronal activity. Large coronal cavity in the NE. 2018-10-07 2018d280 No observations at MLSO today. Clouds and fog. 2018-10-08 2018d281 No observations at MLSO today. Overcast. 2018-10-09 2018d282 No observations at MLSO today. Light rain. 2018-10-10 2018d283 KCor: No noticeable coronal activity. Dark, round coronal cavity in the SW with small bright prominence. 2018-10-11 2018d284 KCor: No noticeable coronal activity. Dark coronal cavity in the SW. 2018-10-12 2018d285 KCor: No noticeable coronal activity. Coronal cavity in the SW. 2018-10-13 2018d286 KCor: No noticeable coronal activity. Coronal cavity in the NE. Coronal cavity in the SW. 2018-10-14 2018d287 KCor: No noticeable coronal activity. Large coronal cavity in the NE. 2018-10-15 2018d288 No observations at MLSO today. Cirrus. 2018-10-16 2018d289 No observations at MLSO today. Overcast. 2018-10-17 2018d290 KCor: No noticeable coronal activity. Small, dark, coronal cavity in the SE. Coronal cavity in the NW. 2018-10-18 2018d291 No observations at MLSO today. Cirrus. 2018-10-19 2018d292 No observations at MLSO today. Cloudy. 2018-10-20 2018d293 No observations at MLSO today. Cloudy. 2018-10-21 2018d294 KCor: No noticeable coronal activity. Small, dark, coronal cavity in the SE. 2018-10-22 2018d295 KCor: No noticeable coronal activity. Small, dark, coronal cavity in the SE. 2018-10-23 2018d296 KCor: No noticeable coronal activity. Very dark, coronal cavity in the SE. 2018-10-24 2018d297 KCor: Very large and dark coronal cavity with bright prominence in the SE, appears to slowly rise, pre-eruptive state. Coronal cavity in the NW. 2018-10-25 2018d298 KCor: No noticeable coronal activity. Coronal cavity in the SE and current sheet at the location of the pre-eruptive cavity-prominence seen yesterday. It erupted during the MLSO observing night. 2018-10-26 2018d299 KCor: No noticeable coronal activity. 2018-10-27 2018d300 No observations at MLSO today. Cloudy. 2018-10-28 2018d301 No observations at MLSO today. Cloudy. 2018-10-29 2018d302 KCor: No noticeable coronal activity. Small coronal cavity in the SW. Coronal cavity in the NW. 2018-10-30 2018d303 No observations at MLSO today. Clouds, rain, and fog 2018-10-31 2018d304 No observations at MLSO today. Cloudy. 2018-11-01 2018d305 KCor: No noticeable coronal activity. 2018-11-02 2018d306 KCor: No noticeable coronal activity. 2018-11-03 2018d307 KCor: No noticeable coronal activity. 2018-11-04 2018d308 KCor: No noticeable coronal activity. Large, faint coronal cavity in the NE. Small coronal cavity in the SW. 2018-11-05 2018d309 KCor: No noticeable coronal activity. Faint coronal cavity in the NE. Small coronal cavity in the SW. 2018-11-06 2018d310 No observations at MLSO today. Cirrus. 2018-11-07 2018d311 KCor: No noticeable coronal activity. 2018-11-08 2018d312 KCor: No noticeable coronal activity. Coronal cavity in the SW. Dark coronal cavity in the NW. 2018-11-09 2018d313 KCor: No noticeable coronal activity. Dark coronal cavity in the SW. Coronal cavity in the NW. 2018-11-10 2018d314 KCor: No noticeable coronal activity. Coronal cavity in the SW. 2018-11-11 2018d315 KCor: No noticeable coronal activity. Coronal cavity in the NE. Coronal cavity in the SW with small prominence. 2018-11-12 2018d316 KCor: No noticeable coronal activity. Coronal cavity in the NE with small prominence. Coronal cavity in the SW with small prominence. 2018-11-13 2018d317 KCor: No noticeable coronal activity. Coronal cavity in the NW. 2018-11-14 2018d318 KCor: No noticeable coronal activity. Coronal cavity in the NW. 2018-11-15 2018d319 KCor: No noticeable coronal activity. Small coronal cavity in the SE. Dark coronal cavity in the NW. 2018-11-16 2018d320 No observations at MLSO today. Windy. 2018-11-17 2018d321 No observations at MLSO today. Cloudy. 2018-11-18 2018d322 No observations at MLSO today. Cloudy. 2018-11-19 2018d323 KCor: No noticeable coronal activity. Short observing day. 2018-11-20 2018d324 KCor: No noticeable coronal activity. Coronal cavity in the SE. 2018-11-20 2018d325 KCor: No noticeable coronal activity. Coronal cavity with small bright prominence in the SE. 2018-11-22 2018d326 No observations at MLSO today. Holiday. 2018-11-23 2018d327 KCor: No noticeable coronal activity. Small coronal cavity with very small bright prominence in the NE. Coronal cavity in the SE. Coronal cavity in the NW. 2018-11-24 2018d328 KCor: No noticeable coronal activity. Dark, large, coronal cavity in the SE. Coronal cavity in the NW. 2018-11-25 2018d329 No observations at MLSO today. Cirrus. 2018-11-26 2018d330 No observations at MLSO today. Cirrus. 2018-11-27 2018d331 KCor: No noticeable coronal activity. Small coronal cavity with very small bright prominence in the NE. Small coronal cavity in the SE. 2018-11-28 2018d332 KCor: No noticeable coronal activity. Large coronal cavity with bright active prominence in the NE. 2018-11-29 2018d333 KCor: No noticeable coronal activity. Coronal cavity with small bright prominence in the NE. 2018-11-30 2018d334 KCor: No noticeable coronal activity. Small coronal cavity in the NE. 2018-12-01 2018d335 KCor: Apparent motion in the SW, early phase of an eruptive cavity/prominence system in the SW. Coronal cavity in the SW. 2018-12-02 2018d336 KCor: No noticeable coronal activity. 2018-12-03 2018d337 KCor: No noticeable coronal activity. 2018-12-04 2018d338 KCor: No noticeable coronal activity. 2018-12-05 2018d339 KCor: No noticeable coronal activity. Coronal cavity in the E-NE. 3018-12-06 2018d340 KCor: No good images today. 2018-12-07 2018d341 KCor: No noticeable coronal activity. Two small coronal cavities in the E-NE. 2018-12-08 2018d342 KCor: No noticeable coronal activity. Coronal cavity in the NE. 2018-12-09 2018d343 KCor: No noticeable coronal activity. Large coronal cavity in the NE. Faint coronal cavity in the SW. 2018-12-10 2018d344 No observations at MLSO today. Cirrus. 2018-12-11 2018d345 KCor: No noticeable coronal activity. Coronal cavity in the SW. 2018-12-12 2018d346 KCor: No noticeable coronal activity. Coronal cavity in the SW. Coronal cavity in the NW. 2018-12-13 2018d347 KCor: No noticeable coronal activity. Faint coronal cavity in the E-NE. Dark, small coronal cavity in the NW with very small bright prominence. 2018-12-14 2018d348 KCor: No noticeable coronal activity. Faint coronal cavity in the E-NE. Dark, small coronal cavity in the NW with very small bright prominence. 2018-12-15 2018d349 KCor: No noticeable coronal activity. Coronal cavity in the E-NE. Coronal cavity in the NW. 2018-12-16 2018d350 KCor: No noticeable coronal activity. Two coronal cavities in the E-NE. 2018-12-17 2018d351 KCor: No noticeable coronal activity. Two faint coronal cavities in the E-NE. 2018-12-18 2018d352 KCor: No noticeable coronal activity. 2018-12-19 2018d353 KCor: No noticeable coronal activity. Apparent large, faint coronal cavity in the W-NW. 2018-12-20 2018d354 KCor: No noticeable coronal activity. 2018-12-21 2018d355 KCor: No noticeable coronal activity. 2018-12-22 2018d356 KCor: No noticeable coronal activity. Faint coronal cavities in the E-NE and W-NW. Small, dark coronal cavity in the SE. 2018-12-23 2018d357 KCor: No noticeable coronal activity. Faint coronal cavities in the NE and W-NW. Dark coronal cavity in the SE. 2018-12-24 2018d358 No observations at MLSO today. Cloudy. 2018-12-25 2018d359 KCor: No noticeable coronal activity. Faint coronal cavity in the. NE. Dark, small coronal cavity in the SE. 2018-12-26 2018d360 KCor: No noticeable coronal activity. Small coronal cavity in the NE. Dark, small coronal cavity in the SE. Large, faint coronal cavity in the W-NW. 2018-12-27 2018d361 KCor: No noticeable coronal activity. Small coronal cavity in the NE. Coronal cavity in the SE. Very large, tall and round (suspended), dark coronal cavity in the W-NW. 2018-12-28 2018d362 KCor: No noticeable coronal activity. Small, dark coronal cavity in the NE. Very large, tall and round (suspended), very dark coronal cavity in the W-NW. 2018-12-29 2018d363 No observations at MLSO today. Cirrus. 2018-12-30 2018d364 No observations at MLSO today. Cloudy. 2018-12-31 2018d365 KCor: No noticeable coronal activity. Coronal cavity in the E-NE. Coronal cavity in the NW.