PRIME Observation Log 2025/03/05

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Observation Log (Time is in UT)

Date: 2025/03/05
Local observer: Yuki Satoh
Remote observer: Kansuke Nunota, Ryunosuke Oishi, Shunya Hamada, Mayu Nishio
Weather: clear
Comment:
Detector Temperature: 113.35406 +- 0.33466 K
ImageAcquisitionErrors occurred 1 times @
2025-03-05 19:51:03 SAT

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 19:29:06
Morning 06:07:27
Science Observation
(Sun altitude < -10°)
Start 19:50:52
End 05:45:40
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 01:42:15
End 05:45:40


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 09:17:27 09:54:48 0.937
GB Time 04:05:32 04:03:24 1.009
Non-GB Time 05:11:54 05:51:23 0.888


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 492 00:23:27 00:51:19 0.457
ALLSKY 2592 02:03:33 05:11:54 0.396
GB 2084 01:39:20 04:05:32 0.405
SAAO 648 00:30:53 01:17:58 0.396
OU 648 00:30:53 01:17:58 0.396
NASA 648 00:30:53 01:17:58 0.396
ABC 648 00:30:53 01:17:58 0.396


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
TWILIGHT 492 00:23:27 00:51:19 0.457
all_sky_grid 2592 02:03:33 05:11:54 0.396
Bulge 2084 01:39:20 04:05:32 0.405


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
FLAT OH 436 00:20:46 00:46:21 0.448
field18059_test 4 00:00:11 00:05:45 0.033
field18059 40 00:01:54 00:04:20 0.439
field18060 40 00:01:54 00:03:50 0.497
field18061 40 00:01:54 00:04:06 0.463
field18062 40 00:01:54 00:04:18 0.443
field18063 40 00:01:54 00:03:50 0.497
field18064 40 00:01:54 00:04:18 0.443
field18363 40 00:01:54 00:04:37 0.412
field18364 40 00:01:54 00:04:18 0.443
field18365 40 00:01:54 00:04:04 0.469
field18366 40 00:01:54 00:04:18 0.443
field18367 40 00:01:54 00:05:08 0.371
field18369_test 68 00:03:14 00:36:56 0.088
field18368 40 00:01:54 00:04:01 0.474
field18369 40 00:01:54 00:04:29 0.425
field18370 40 00:01:54 00:03:50 0.497
field18371 40 00:01:54 00:03:47 0.503
field18372 40 00:01:54 00:03:50 0.497
field18373 40 00:01:54 00:04:09 0.458
field18374 40 00:01:54 00:04:15 0.448
field18375 40 00:01:54 00:04:18 0.443
field18376 40 00:01:54 00:04:04 0.469
field18674 40 00:01:54 00:03:50 0.497
field18675 40 00:01:54 00:05:08 0.371
field18676 40 00:01:54 00:03:47 0.503
field18677 40 00:01:54 00:04:15 0.448
field18678 40 00:01:54 00:03:50 0.497
field18679 40 00:01:54 00:03:50 0.497
field18680 40 00:01:54 00:04:06 0.463
field18681 40 00:01:54 00:03:52 0.491
field18682 40 00:01:54 00:03:50 0.497
field18683 40 00:01:54 00:04:06 0.463
field18684 40 00:01:54 00:03:52 0.491
field18685 40 00:01:54 00:04:06 0.463
field18686 40 00:01:54 00:04:34 0.416
field18687 40 00:01:54 00:03:55 0.485
field18987 40 00:01:54 00:04:01 0.474
field18988 40 00:01:54 00:03:47 0.503
field18989 40 00:01:54 00:04:04 0.469
field18990 80 00:03:48 00:11:21 0.336
field18991 40 00:01:54 00:04:18 0.443
field18992 40 00:01:54 00:03:52 0.491
field18993 40 00:01:54 00:04:18 0.443
field18994 40 00:01:54 00:04:06 0.463
field18995 40 00:01:54 00:04:01 0.474
field18996 40 00:01:54 00:04:15 0.448
field18997 40 00:01:54 00:05:42 0.334
field4129 40 00:01:54 00:04:43 0.404
field4130 40 00:01:54 00:03:55 0.487
field4564 40 00:01:54 00:04:07 0.462
field5246 40 00:01:54 00:04:09 0.458
field5247 40 00:01:54 00:04:23 0.434
field5248 40 00:01:54 00:03:52 0.491
field5249 40 00:01:54 00:04:09 0.458
field6728 40 00:01:54 00:03:52 0.491
field6729 40 00:01:54 00:04:15 0.448
field6730 40 00:01:54 00:03:52 0.491
field6989 40 00:01:54 00:04:06 0.464
field6990 40 00:01:54 00:03:58 0.479
field7254 40 00:01:54 00:04:20 0.438
field7787 40 00:01:54 00:03:52 0.491
field7788 40 00:01:54 00:04:18 0.443
field7789 40 00:01:54 00:04:15 0.448
field7790 40 00:01:54 00:08:05 0.236
GBtest OH 20 00:00:57 00:12:18 0.077
GB63 OH 24 00:01:08 00:02:05 0.548
GB80 OH 24 00:01:08 00:02:27 0.465
GB62 OH 96 00:04:34 00:11:08 0.411
GB61 OH 48 00:02:17 00:06:47 0.337
GB63_dither OH 96 00:04:34 00:09:50 0.465
GB62_dither OH 96 00:04:34 00:11:11 0.409
GB61_dither OH 72 00:03:25 00:07:11 0.477
GB60_dither OH 72 00:03:25 00:07:36 0.451
GB59_dither OH 72 00:03:25 00:07:50 0.438
GB58_dither OH 72 00:03:25 00:15:24 0.223
GB57_dither OH 48 00:02:17 00:05:56 0.385
GB74_dither OH 48 00:02:17 00:04:38 0.493
GB75_dither OH 48 00:02:17 00:04:40 0.489
GB76_dither OH 48 00:02:17 00:05:37 0.407
GB77_dither OH 48 00:02:17 00:04:55 0.465
GB78_dither OH 48 00:02:17 00:05:20 0.428
GB79_dither OH 48 00:02:17 00:04:41 0.488
GB80_dither OH 48 00:02:17 00:05:09 0.444
GB97_dither OH 48 00:02:17 00:05:06 0.448
GB96_dither OH 48 00:02:17 00:04:38 0.493
GB95_dither OH 48 00:02:17 00:05:03 0.452
GB94_dither OH 48 00:02:17 00:04:41 0.488
GB93_dither OH 48 00:02:17 00:04:57 0.461
GB92_dither OH 48 00:02:17 00:04:57 0.461
GB91_dither OH 48 00:02:17 00:05:20 0.428
GB108_dither OH 48 00:02:17 00:04:37 0.494
GB109_dither OH 48 00:02:17 00:05:31 0.414
GB110_dither OH 48 00:02:17 00:04:38 0.493
GB111_dither OH 48 00:02:17 00:04:43 0.484
GB112_dither OH 48 00:02:17 00:05:14 0.436
GB113_dither OH 48 00:02:17 00:04:43 0.484
GB114_dither OH 48 00:02:17 00:04:57 0.461
GB131_dither OH 48 00:02:17 00:05:31 0.414
GB130_dither OH 48 00:02:17 00:04:41 0.488
GB129_dither OH 48 00:02:17 00:05:20 0.429
GB128_dither OH 48 00:02:17 00:04:41 0.488
GB127_dither OH 48 00:02:17 00:05:42 0.401
GB126_dither OH 48 00:02:17 00:04:55 0.465
GB125_dither OH 48 00:02:17 00:10:34 0.216
FLAT_test OH 56 00:02:40 00:04:58 0.536










Stats so far in 2025
Monthly observed fraction so far in 2025
Month Observed Time
(hh:mm:ss) 		Expected Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Jan 103:35:29 259:42:08 0.399
Feb 53:54:42 259:20:18 0.208
Mar 09:17:27 49:12:45 0.189

Observed time so far in 2025
- Total time of each institute is calculated by the following
    [All observation time in 2025] = [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 2025] = [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 2025] = [All observation time in 2025] - [GB observation time in 2025]
    
    [OU, NASA, ABC time in 2025] = 0.24 x [Non-GB observation time in 2025]
    [SAAO time in 2025] = 0.28 x [Non-GB observation time in 2025]
    
- 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 1771:34:02 907:26:19 864:07:42 241:57:21 207:23:27 207:23:27 207:23:27 85:02:27
Observed 166:47:40
(9.42%)		 13:19:59
(1.47%)		 153:27:40
(17.76%)		 11:16:49
(4.66%)		 39:36:07
(19.10%)		 95:10:28
(45.89%)		 07:24:14
(3.57%)		 85:02:27
(N/A)
Remaining 1604:46:22
(90.58%)		 894:06:19
(98.53%)		 710:40:02
(82.24%)		 230:40:32
(95.34%)		 167:47:19
(80.90%)		 112:12:58
(54.11%)		 199:59:12
(96.43%)		 00:00:00
(N/A)











Camera status (2025/03/05)