PRIME Observation Log 2024/08/12

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Observation Log (Time is in UT)

Date: 2024/08/12
Local observer:
Remote observer:
Weather:
Comment:
Detector Temperature: 117.00000 +- 0.00140 K
ImageAcquisitionErrors occurred 1 times @
2024-08-13 03:29:42 SAT

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 18:30:31
Morning 06:52:22
Science Observation
(Sun altitude < -10°)
Start 18:52:21
End 06:30:33
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 18:52:21
End 02:41:29


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 11:04:35 11:38:12 0.952
GB Time 07:10:01 07:49:07 0.917
Non-GB Time 03:54:34 03:49:04 1.024


Institute Statistics
- ALLSKY time is equally distributed to each institute
Institute Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
CALIB 840 00:40:02 01:13:24 0.545
GB 4500 03:34:30 07:10:01 0.499
NASA 1271 01:00:35 01:50:51 0.546
ALLSKY 1516 01:12:15 02:37:05 0.460
OU 419 00:19:58 00:45:09 0.442
SAAO 379 00:18:03 00:39:16 0.460
ABC 379 00:18:03 00:39:16 0.460


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
TWILIGHT 840 00:40:02 01:13:24 0.545
Bulge 4452 03:32:12 07:04:13 0.500
SKY 48 00:02:17 00:05:48 0.394
offset_all_sky_grid 652 00:31:04 00:46:58 0.661
all_sky_grid 1796 01:25:36 03:07:35 0.456


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
FLAT ZO 840 00:40:02 01:13:24 0.545
GB63_test OH 36 00:01:42 00:15:55 0.108
GCsky 48 00:02:17 00:05:48 0.394
GB63 OH 120 00:05:43 00:10:25 0.548
GB62 OH 120 00:05:43 00:10:39 0.536
GB61 OH 120 00:05:43 00:10:36 0.539
GB60 OH 120 00:05:43 00:10:45 0.532
GB59 OH 120 00:05:43 00:10:39 0.536
GB58 OH 120 00:05:43 00:10:34 0.541
GB57 OH 120 00:05:43 00:10:31 0.544
GB74 OH 120 00:05:43 00:10:31 0.544
GB75 OH 120 00:05:43 00:10:31 0.544
GB76 OH 120 00:05:43 00:10:31 0.544
GB77 OH 120 00:05:43 00:10:34 0.541
GB78 OH 120 00:05:43 00:10:59 0.521
GB79 OH 96 00:04:34 00:08:23 0.545
GB80 OH 96 00:04:34 00:08:26 0.542
GB97 OH 96 00:04:34 00:08:23 0.545
GB96 OH 96 00:04:34 00:08:34 0.534
GB95 OH 96 00:04:34 00:08:26 0.542
GB94 OH 96 00:04:34 00:08:31 0.536
GB93 OH 96 00:04:34 00:08:23 0.545
GB92 OH 96 00:04:34 00:08:28 0.539
GB91 OH 96 00:04:34 00:08:23 0.545
GB108 OH 96 00:04:34 00:08:23 0.545
GB109 OH 96 00:04:34 00:08:26 0.542
GB110 OH 96 00:04:34 00:08:26 0.542
GB111 OH 96 00:04:34 00:08:26 0.542
GB112 OH 96 00:04:34 00:08:28 0.539
GB113 OH 96 00:04:34 00:08:26 0.542
GB114 OH 96 00:04:34 00:08:20 0.548
GB131 OH 96 00:04:34 00:08:26 0.542
GB130 OH 96 00:04:34 00:08:28 0.539
GB129 OH 96 00:04:34 00:08:26 0.542
GB128 OH 96 00:04:34 00:08:28 0.539
GB127 OH 96 00:04:34 00:08:28 0.539
GB126 OH 96 00:04:34 00:08:28 0.539
GB125 OH 96 00:04:34 00:09:08 0.501
GB63_test OY 4 00:00:11 00:04:09 0.046
GB63_test OJ 4 00:00:11 00:01:18 0.145
GB57_test OJ 40 00:01:54 00:12:28 0.153
GB57 OJ 24 00:01:08 00:02:16 0.503
GB74 OJ 24 00:01:08 00:02:10 0.525
GB91 OJ 24 00:01:08 00:02:10 0.525
GB108 OJ 24 00:01:08 00:02:13 0.514
GB125 OJ 24 00:01:08 00:03:04 0.373
GB59 OJ 24 00:01:08 00:02:16 0.503
GB75 OJ 24 00:01:08 00:02:10 0.525
GB92 OJ 24 00:01:08 00:03:15 0.352
GB109 OJ 24 00:01:08 00:02:16 0.503
GB126 OJ 24 00:01:08 00:03:04 0.373
GB60 OJ 24 00:01:08 00:02:05 0.549
GB77 OJ 24 00:01:08 00:02:05 0.548
GB94 OJ 24 00:01:08 00:02:05 0.548
GB111 OJ 24 00:01:08 00:02:05 0.548
GB128 OJ 24 00:01:08 00:02:13 0.514
GB61 OJ 24 00:01:08 00:02:07 0.537
GB78 OJ 48 00:02:17 00:04:10 0.548
GB95 OJ 48 00:02:17 00:04:18 0.531
GB112 OJ 48 00:02:17 00:04:15 0.536
GB129 OJ 48 00:02:17 00:04:13 0.542
GB62 OJ 24 00:01:08 00:02:07 0.536
GB63 OJ 24 00:01:08 00:02:07 0.536
GB80 OJ 24 00:01:08 00:02:13 0.514
GB97 OJ 24 00:01:08 00:02:07 0.536
GB114 OJ 24 00:01:08 00:02:07 0.536
GB131 OJ 24 00:01:08 00:02:41 0.425
offset_field4595 630 00:30:01 00:45:47 0.656
offset_field4595_test 22 00:01:02 00:01:11 0.880
field5630 80 00:03:48 00:07:53 0.483
field5874 80 00:03:48 00:05:55 0.643
field5631 80 00:03:48 00:10:47 0.353
field2275 32 00:01:31 00:03:40 0.416
field2275_test 4 00:00:11 00:02:14 0.085
field2974 40 00:01:54 00:03:55 0.485
field3161 40 00:01:54 00:07:34 0.252
field3552 40 00:01:54 00:03:52 0.491
field4387 40 00:01:54 00:03:50 0.497
field4388 40 00:01:54 00:03:52 0.491
field4389 40 00:01:54 00:03:52 0.491
field4837 40 00:01:54 00:03:47 0.503
field5067 40 00:01:54 00:03:47 0.503
field5068 40 00:01:54 00:03:50 0.497
field5300 40 00:01:54 00:03:47 0.503
field5301 40 00:01:54 00:05:47 0.329
field16748 40 00:01:54 00:03:50 0.497
field16749 40 00:01:54 00:03:55 0.485
field17063 40 00:01:54 00:03:50 0.497
field17064 80 00:03:48 00:07:51 0.485
field16750 80 00:03:48 00:09:43 0.392
field16751 40 00:01:54 00:03:50 0.497
field16752 40 00:01:54 00:03:50 0.497
field16753 40 00:01:54 00:03:52 0.491
field16754 40 00:01:54 00:03:52 0.491
field16755 40 00:01:54 00:03:55 0.485
field17065 40 00:01:54 00:03:50 0.497
field17066 40 00:01:54 00:03:55 0.485
field17067 40 00:01:54 00:03:52 0.491
field17068 40 00:01:54 00:03:50 0.497
field17069 40 00:01:54 00:03:52 0.491
field17070 40 00:01:54 00:03:58 0.480
field17377 40 00:01:54 00:03:47 0.503
field17378 40 00:01:54 00:03:50 0.497
field17379 40 00:01:54 00:03:47 0.503
field17380 40 00:01:54 00:03:50 0.497
field17381 40 00:01:54 00:03:47 0.503
field17382 40 00:01:54 00:03:50 0.497
field17383 40 00:01:54 00:03:55 0.485
field17384 40 00:01:54 00:04:01 0.474
field17691 40 00:01:54 00:06:24 0.298










Stats so far in 2024
Monthly observed fraction so far in 2024
Month Observed Time
(hh:mm:ss) 		Expected Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Jan 133:42:32 259:10:04 0.516
Feb 136:23:26 268:21:08 0.508
Mar 134:08:27 319:22:49 0.420
Apr 198:09:29 338:21:39 0.586
May 236:01:56 372:40:23 0.633
Jun 55:37:22 370:51:24 0.150
Jul 130:29:33 377:18:50 0.346
Aug 81:04:03 141:14:15 0.574

Observed time so far in 2024
- Total time of each institute is calculated by the following
    [All observation time in 2024] = [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 2024] = [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 2024] = [All observation time in 2024] - [GB observation time in 2024]
    
    [OU, NASA, ABC time in 2024] = 0.24 x [Non-GB observation time in 2024]
    [SAAO time in 2024] = 0.28 x [Non-GB observation time in 2024]
    
- 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 1774:53:26 734:55:46 1039:57:40 291:11:20 249:35:26 249:35:26 249:35:26 104:45:50
Observed 1105:36:50
(62.29%)		 537:41:06
(73.16%)		 567:55:44
(54.61%)		 13:29:07
(4.63%)		 412:02:12
(165.09%)		 132:32:51
(53.11%)		 09:51:32
(3.95%)		 104:45:50
(N/A)
Remaining 669:16:36
(37.71%)		 197:14:40
(26.84%)		 472:01:56
(45.39%)		 277:42:13
(95.37%)		 -163:33:14
(0.00%)		 117:02:35
(46.89%)		 239:43:53
(96.05%)		 00:00:00
(N/A)











Camera status (2024/08/12)