mlso.timelog.1999 ----------------- **********************Mauna Loa Solar Observatory*********************** OBSERVING HOURS These are defined as the time between the first and the last useful coronal scans made with the MkIII/MkIV K-coronameter. This instrument levies very stringent requirements on the condition of the sky so is the most sensitive to the weather. Unless otherwise stated, it may be assumed that the H-alpha (PICS) and Helium-I (CHIP) observations will be available for the same hours as the coronal data, or perhaps even longer. Note that the MLSO oberving day begins about 17:00 UT and can end as late as 03:30 UT the "next" day. Typical observing times are 17:30 UT to 23:00 UT. [NOTE: The format of this file is undergoing evaluation and may not be final.] FOR YEAR 1999: Year DOY Begin End (UT) (UT) 1999 001 ----- ----- Track Mk3 observation start/stop times. 1999 002 17:37 23:23 1999 003 17:37 22:06 1999 004 21:08 21:44 1999 005 17:28 22:54 1999 006 17:35 19:22 1999 007 19:52 21:14 1999 008 ----- ----- No observations 1999 009 ----- ----- No observations 1999 010 ----- ----- No observations 1999 011 17:39 22:08 1999 012 18:05 22:07 1999 013 17:47 23:01 1999 014 17:47 23:07 1999 015 17:35 18:30 1999 016 17:58 22:23 1999 017 17:58 23:38 1999 018 ----- ----- No observations 1999 019 17:28 22:09 1999 020 17:40 23:19 1999 021 18:32 23:13 1999 022 ----- ----- No observations 1999 023 ----- ----- No observations 1999 024 17:49 22:39 1999 025 17:45 22:07 1999 026 ----- ----- No observations 1999 027 17:59 21:46 1999 028 ----- ----- No observations 1999 029 ----- ----- No observations 1999 030 21:32 22:53 1999 031 ----- ----- No observations 1999 032 17:46 18:21 1999 033 ----- ----- No observations 1999 034 ----- ----- No observations 1999 035 17:50 23:04 1999 036 17:26 23:20 1999 037 17:57 23:11 1999 038 17:32 23:18 1999 039 ----- ----- No observations 1999 040 17:23 21:51 1999 041 17:42 23:03 1999 042 17:50 21:02 1999 043 17:21 21:25 1999 044 17:49 23:36 1999 045 20:01 23:32 1999 046 ----- ----- No observations 1999 047 17:23 22:05 1999 048 17:50 23:10 1999 049 17:49 21:39 1999 050 17:17 20:53 1999 051 ----- ----- No observations 1999 052 ----- ----- No observations 1999 053 18:36 18:39 1999 054 17:18 22:05 1999 055 17:58 23:31 1999 056 17:59 22:02 1999 057 17:18 22:06 1999 058 17:36 23:10 1999 059 17:54 22:49 1999 060 17:12 17:48 1999 061 17:39 22:03 1999 062 17:55 23:13 1999 063 17:38 21:48 1999 064 17:22 21:53 1999 065 17:40 22:39 1999 066 17:48 23:15 1999 067 17:10 22:08 1999 068 17:05 22:04 1999 069 ----- ----- No observations 1999 070 17:28 22:08 1999 071 ----- ----- No observations 1999 072 ----- ----- No observations 1999 073 ----- ----- No observations 1999 074 ----- ----- No observations 1999 075 17:10 20:21 1999 076 ----- ----- No observations 1999 077 17:04 20:40 1999 078 17:23 21:13 1999 079 ----- ----- No observations 1999 080 ----- ----- No observations 1999 081 21:48 22:28 1999 082 17:26 22:36 1999 083 17:29 22:37 1999 084 17:21 21:08 1999 085 ----- ----- No observations 1999 086 ----- ----- No observations 1999 087 ----- ----- No observations 1999 088 19:08 20:36 1999 089 ----- ----- No observations 1999 090 ----- ----- No observations 1999 091 17:48 22:11 1999 092 16:48 18:22 1999 093 ----- ----- No observations 1999 094 ----- ----- No observations 1999 095 19:54 22:12 1999 096 18:44 21:35 1999 097 17:00 22:00 1999 098 19:21 19:43 1999 099 17:55 20:27 1999 100 ----- ----- No observations 1999 101 ----- ----- No observations 1999 102 16:47 20:08 1999 103 16:44 20:16 1999 104 17:13 21:02 1999 105 16:54 19:27 1999 106 ----- ----- No observations 1999 107 16:58 22:27 1999 108 16:58 22:28 1999 109 16:43 22:09 1999 110 16:38 21:44 1999 111 16:55 22:02 1999 112 17:13 20:19 1999 113 16:40 22:38 1999 114 16:54 02:37 1999 115 17:01 03:45 1999 116 16:43 22:22 1999 117 17:01 01:25 Corrupted data exists 1999 118 16:51 23:29 1999 119 16:59 23:03 1999 120 16:43 21:33 1999 121 16:59 22:33 1999 122 16:59 22:12 1999 123 18:00 21:44 1999 124 17:45 22:10 1999 125 ----- ----- No observations 1999 126 16:51 22:18 1999 127 16:28 22:06 1999 128 16:59 20:26 1999 129 17:04 22:31 1999 130 16:30 22:09 1999 131 16:37 22:01 1999 132 16:52 22:26 1999 133 20:40 22:44 1999 134 16:26 21:55 1999 135 16:50 22:32 1999 136 17:12 20:31 1999 137 ----- ----- No observations 1999 138 16:26 20:04 1999 139 17:09 22:06 1999 140 16:56 22:08 1999 141 ----- ----- No observations 1999 142 16:49 19:08 1999 143 16:56 22:39 1999 144 16:38 22:12 1999 145 16:23 22:10 1999 146 16:55 22:15 1999 147 16:58 22:03 1999 148 16:27 22:06 1999 149 ----- ----- No observations 1999 150 20:35 22:17 1999 151 ----- ----- No observations 1999 152 16:30 22:08 1999 153 16:42 22:17 1999 154 16:57 21:05 1999 155 16:27 21:59 1999 156 16:44 21:12 1999 157 16:44 22:11 1999 158 16:28 21:22 1999 159 17:34 22:05 1999 160 16:53 21:58 1999 161 16:32 22:05 1999 162 18:58 20:03 1999 163 16:58 22:16 1999 164 16:52 21:49 1999 165 16:22 22:03 1999 166 17:13 22:07 1999 167 17:00 22:20 1999 168 16:53 22:19 1999 169 ----- ----- No observations 1999 170 16:58 22:18 1999 171 16:55 21:52 1999 172 19:08 20:43 1999 173 16:30 22:10 1999 174 17:20 22:17 1999 175 00:00 23:56 1999 176 16:31 22:05 1999 177 17:02 22:22 1999 178 16:57 22:24 1999 179 16:31 21:28 1999 180 ----- ----- No observations 1999 181 17:22 22:20 1999 182 16:56 20:31 1999 183 16:36 22:11 1999 184 16:54 22:25 1999 185 16:54 19:27 1999 186 19:16 20:50 1999 187 18:21 21:58 1999 188 ----- ----- No observations 1999 189 ----- ----- No observations 1999 190 16:41 22:05 1999 191 16:57 22:25 1999 192 16:58 20:26 1999 193 00:35 22:11 1999 194 16:25 22:10 1999 195 ----- ----- No observations 1999 196 16:37 22:04 1999 197 ----- ----- No observations 1999 198 16:59 22:28 1999 199 16:47 22:36 1999 200 16:40 22:05 1999 201 16:31 21:56 1999 202 20:21 22:02 1999 203 16:39 22:05 1999 204 16:28 22:07 1999 205 17:18 22:16 1999 206 16:58 22:20 1999 207 16:32 22:08 1999 208 16:32 22:46 1999 209 16:30 21:00 1999 210 16:51 22:23 1999 211 16:30 21:34 1999 212 16:59 22:13 1999 213 17:00 22:05 1999 214 17:25 21:02 1999 215 16:32 22:08 1999 216 ----- ----- No observations 1999 217 16:57 22:04 1999 218 17:00 22:07 1999 219 17:05 22:11 1999 220 16:56 22:17 1999 221 16:34 22:14 1999 222 ----- ----- No observations 1999 223 16:57 21:25 1999 224 16:55 22:03 1999 225 16:46 21:14 1999 226 16:53 21:59 1999 227 ----- ----- No observations 1999 228 16:34 22:06 1999 229 16:38 22:20 1999 230 17:10 22:30 1999 231 16:56 21:58 1999 232 16:37 20:36 1999 233 17:05 22:10 1999 234 16:54 22:02 1999 235 16:57 22:05 1999 236 16:36 22:03 1999 237 18:11 22:54 1999 238 16:41 22:30 1999 239 16:44 22:11 1999 240 17:03 22:13 1999 241 17:06 22:16 1999 242 16:38 22:13 1999 243 ----- ----- No observations 1999 244 ----- ----- No observations 1999 245 16:59 21:42 1999 246 16:49 20:17 1999 247 16:41 20:40 1999 248 ----- ----- No observations 1999 249 ----- ----- No observations 1999 250 16:47 22:14 1999 251 16:51 22:02 1999 252 16:57 22:25 1999 253 16:47 22:04 1999 254 16:57 22:30 1999 255 16:43 23:05 1999 256 17:01 21:45 1999 257 16:41 22:05 1999 258 17:16 22:14 1999 259 16:56 22:15 1999 260 16:43 22:02 1999 261 06:58 22:01 1999 262 17:02 22:06 1999 263 16:42 22:05 1999 264 16:48 21:23 1999 265 17:00 22:04 1999 266 17:02 22:35 1999 267 16:46 22:03 1999 268 17:03 22:00 1999 269 17:00 20:47 1999 270 16:43 21:56 1999 271 16:42 18:16 1999 272 19:51 21:43 1999 273 16:53 21:00 Last day of Mk3 observations. Mk3 decommissioned. 1999 274 16:41 23:18 Begin tracking Mk4 observations. 1999 275 17:00 20:50 1999 276 17:04 21:56 1999 277 16:53 23:36 1999 278 16:43 22:30 1999 279 ----- ----- No observations 1999 280 ----- ----- No observations 1999 281 17:00 19:45 1999 282 16:46 22:17 1999 283 16:57 22:09 1999 284 16:50 21:03 1999 285 16:51 22:11 1999 286 16:59 22:12 1999 287 16:39 22:05 1999 288 17:09 22:09 1999 289 16:56 19:41 1999 290 16:59 21:18 1999 291 16:57 22:06 1999 292 16:48 20:55 1999 293 ----- ----- No observations 1999 294 ----- ----- No observations 1999 295 16:50 19:32 Mk4 data unusable (clouds). 1999 296 16:53 22:02 1999 297 16:55 22:03 1999 298 16:55 22:03 1999 299 16:57 23:37 1999 300 16:50 22:05 1999 301 16:59 20:42 1999 302 18:06 21:23 1999 303 ----- ----- 1999 304 ----- ----- 1999 305 17:08 22:08 1999 306 16:59 21:22 1999 307 ----- ----- No observations 1999 308 ----- ----- No observations 1999 309 18:14 18:17 1999 310 ----- ----- No observations 1999 311 16:59 22:04 Mk4 observations unusable. 1999 312 ----- ----- No Mk4 or PSPT. 1999 313 16:55 19:15 useful Mk4 data: 17:22 -> 17:42 1999 314 ----- ----- No observations 1999 315 ----- ----- No observations 1999 316 17:06 23:35 1999 317 17:06 21:34 useful Mk4 data: 21:02 -> 21:34 1999 318 17:05 22:29 1999 319 18:42 23:37 Mercury transit 1999 320 18:40 22:06 1999 321 ----- ----- No observations. Darryl on vacation. 1999 322 17:00 22:16 1999 323 17:02 22:05 1999 324 ----- ----- No observations. Darryl on vacation. 1999 325 ----- ----- No observations. Darryl on vacation. 1999 326 ----- ----- No Mk4 data. 1999 327 ----- ----- No Mk4 data. 1999 328 ----- ----- No observations. Darryl on vacation. 1999 329 17:04 22:06 1999 330 17:10 19:22 1999 331 ----- ----- No observations. Darryl on vacation. 1999 332 ----- ----- No observations. Darryl on vacation. 1999 333 17:17 22:02 1999 334 17:10 18:37 1999 335 ----- ----- No observations 1999 336 ----- ----- No observations 1999 337 ----- ----- No observations 1999 338 ----- ----- No observations 1999 339 ----- ----- No observations 1999 340 19:29 21:56 1999 341 18:38 22:11 1999 342 17:36 23:04 1999 343 19:41 21:10 1999 344 ----- ----- No observations 1999 345 ----- ----- No observations 1999 346 ----- ----- No observations 1999 347 17:21 20:49 1999 348 17:24 21:16 1999 349 17:17 22:44 1999 350 17:33 22:43 1999 351 17:23 22:32 1999 352 17:36 22:44 1999 353 17:39 21:47 1999 354 ----- ----- No observations 1999 355 17:32 22:05 1999 356 17:38 17:41 1999 357 17:43 22:28 1999 358 ----- ----- No observations 1999 359 ----- ----- No observations 1999 360 17:38 22:05 1999 361 17:33 22:49 1999 362 17:27 22:09 1999 363 17:32 22:55 1999 364 17:45 23:01 1999 365 ----- ----- Holiday