PRIME Observation Log 2023/11/25

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Raw Log (Time is in SA time)
Ramp Log (Time is in UT)
CCMain Error Log (Time is in SA time)
Observation Log (Time is in UT)

Date: 2023/11/25
Local observer:
Remote observer:
Weather:
Comment:
Detector Temperature: 0.00000 +- 0.00000 K
ImageAcquisitionErrors occurred 1 times @
2023-11-25 22:44:58 SAT

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 19:48:38
Morning 04:58:40
Science Observation
(Sun altitude < -10°)
Start 20:13:27
End 04:33:51
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start --:--:--
End --:--:--


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 07:37:04 08:20:24 0.913
GB Time 00:00:00 00:00:00 0.000
Non-GB Time 07:37:04 08:20:24 0.913


Institute Statistics
Institute Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
CALIB 792 00:37:45 01:35:32 0.395
OU 2352 01:52:06 07:37:04 0.245


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
TWILIGHT 792 00:37:45 01:35:32 0.395
all_sky_grid 2352 01:52:06 07:37:04 0.245


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
FLAT OH 792 00:37:45 01:35:32 0.395
field869_test 20 00:00:57 00:20:29 0.047
field869 40 00:01:54 00:07:48 0.244
field870 40 00:01:54 00:06:07 0.311
field871 40 00:01:54 00:05:59 0.319
field872 40 00:01:54 00:06:04 0.314
field873 40 00:01:54 00:05:44 0.332
field874 40 00:01:54 00:07:34 0.252
field875 40 00:01:54 00:12:22 0.154
field876 40 00:01:54 00:10:30 0.181
field877 40 00:01:54 00:06:35 0.289
field878 40 00:01:54 00:05:39 0.337
field879 40 00:01:54 00:09:26 0.202
field880 40 00:01:54 00:07:53 0.241
field881 40 00:01:54 00:04:48 0.396
field882 72 00:03:25 00:14:48 0.232
field883 80 00:03:48 00:14:09 0.269
field884 80 00:03:48 00:13:36 0.280
field885 80 00:03:48 00:19:06 0.200
field886 40 00:01:54 00:04:46 0.400
field887 40 00:01:54 00:06:24 0.298
field888 40 00:01:54 00:05:56 0.321
field889 40 00:01:54 00:04:04 0.469
field890 40 00:01:54 00:05:02 0.378
field891 36 00:01:42 00:07:37 0.225
field973_test 36 00:01:42 00:28:07 0.061
field973 96 00:04:34 00:09:27 0.484
field2905 96 00:04:34 00:24:36 0.186
field892_test 28 00:01:20 00:10:49 0.123
field892 40 00:01:54 00:16:16 0.117
field893 40 00:01:54 00:06:55 0.276
field894 36 00:01:42 00:05:14 0.328
field895 40 00:01:54 00:06:29 0.293
field896 40 00:01:54 00:08:24 0.227
field897 40 00:01:54 00:04:01 0.474
field898 40 00:01:54 00:05:22 0.355
field899 40 00:01:54 00:04:37 0.412
field900 40 00:01:54 00:04:57 0.385
field901 40 00:01:54 00:04:04 0.469
field902 40 00:01:54 00:05:16 0.361
field903 40 00:01:54 00:07:59 0.239
field257_test 16 00:00:45 00:18:28 0.041
field257 40 00:01:54 00:06:10 0.309
field258 40 00:01:54 00:04:46 0.400
field259 40 00:01:54 00:04:09 0.458
field260 40 00:01:54 00:05:05 0.374
field261 40 00:01:54 00:04:51 0.392
field262 40 00:01:54 00:04:46 0.399
field263 36 00:01:42 00:03:41 0.465
field264 40 00:01:54 00:06:38 0.287
field265 40 00:01:54 00:03:55 0.485
field266 40 00:01:54 00:04:01 0.474
field267 40 00:01:54 00:06:49 0.279
field268 40 00:01:54 00:03:58 0.480
field269 40 00:01:54 00:14:23 0.132










Stats so far in 2023
Monthly observed fraction so far in 2023
Month Observed Time
(hh:mm:ss) 		Expected Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Jan 18:43:03 259:20:03 0.072
Feb 51:45:11 258:50:12 0.200
Mar 55:18:59 318:34:15 0.174
Apr 77:47:40 337:41:57 0.230
May 97:43:38 372:13:44 0.263
Jun 49:38:22 370:47:30 0.134
Jul 188:52:24 377:38:54 0.500
Aug 166:19:41 357:47:22 0.465
Sep 168:01:16 319:07:11 0.527
Oct 54:09:44 297:33:05 0.182
Nov 51:25:17 216:50:16 0.237

Observed time so far in 2023
- Total time of each institute is calculated by the following
    [All observation time in 2023] = [Observed time so far] + [Remaining time in the future]
    [Remaining time in the future] = [Clear sky fraction] x [Remaining night time (Sun alt. < -10°)]
    
    [GB observation time in 2023] = [Observed GB time so far] + [Remaining GB time in the future]
    [Remaining GB time in the future] = [Clear sky fraction] x [Remaining GB night time (Sun alt. < -10° & GB alt. > 22°)]
    
    [Non-GB observation time in 2023] = [All observation time in 2023] - [GB observation time in 2023]
    
    [OU, NASA, ABC time in 2023] = 0.24 x [Non-GB observation time in 2023]
    [SAAO time in 2023] = 0.28 x [Non-GB observation time in 2023]
    
- ALLSKY time is equally distributed to each institute
- ToO time is distributed to each institute based on input of observer of each date
- Clear sky fraction of (0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5) is assumed for (Jan, ..., Dec) in the calculation of the remaining observation time
All
(hh:mm:ss) 		GB
(hh:mm:ss) 		Non-GB
(hh:mm:ss) 		SAAO
(hh:mm:ss) 		OU
(hh:mm:ss) 		NASA
(hh:mm:ss) 		ABC
(hh:mm:ss) 		CALIB
(hh:mm:ss)
Total 1125:27:37 284:22:12 841:05:24 235:30:18 201:51:41 201:51:41 201:51:41 29:35:16
Observed 979:45:22
(87.05%)		 284:22:12
(100.00%)		 695:23:09
(82.68%)		 00:00:00
(0.00%)		 684:37:47
(339.16%)		 10:45:22
(5.33%)		 00:00:00
(0.00%)		 29:35:16
(N/A)
Remaining 145:42:14
(12.95%)		 00:00:00
(0.00%)		 145:42:14
(17.32%)		 235:30:18
(100.00%)		 -483:13:55
(0.00%)		 191:06:19
(94.67%)		 201:51:41
(100.00%)		 00:00:00
(N/A)











Camera status (2023/11/25)



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