PRIME Observation Log 2025/11/03

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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: 2025/11/03
Local observer: Kansuke
Remote observer:
Weather:
Comment:
Detector Temperature: 117.86404 +- 0.25123 K
ImageAcquisitionErrors occurred 0 times

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 19:27:59
Morning 05:12:16
Science Observation
(Sun altitude < -10°)
Start 19:51:17
End 04:48:58
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 19:51:17
End 21:16:08


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 09:10:12 08:57:41 1.023
GB Time 01:17:31 01:24:51 0.914
Non-GB Time 07:52:41 07:32:50 1.044


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 200 00:09:32 00:35:38 0.267
GB 616 00:29:21 01:17:31 0.379
SAAO 957 00:45:37 01:58:10 0.386
OU 957 00:45:37 01:58:10 0.386
NASA 957 00:45:37 01:58:10 0.386
ABC 957 00:45:37 01:58:10 0.386


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
TWILIGHT 200 00:09:32 00:35:38 0.267
Bulge 592 00:28:13 01:14:29 0.379
SKY 24 00:01:08 00:03:01 0.377
all_sky_grid 3828 03:02:28 07:52:41 0.386


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
FLAT OJ 200 00:09:32 00:35:38 0.267
GB76_test OH 8 00:00:22 00:02:23 0.159
GCsky 24 00:01:08 00:03:01 0.377
GB76_dither OH 48 00:02:17 00:05:41 0.402
GB77_dither OH 48 00:02:17 00:05:44 0.399
GB78_dither OH 48 00:02:17 00:05:47 0.396
GB94_dither OH 72 00:03:25 00:08:40 0.396
GB111_dither OH 72 00:03:25 00:08:37 0.398
GB110_dither OH 72 00:03:25 00:08:32 0.402
GB109_dither OH 40 00:01:54 00:06:31 0.293
GB108_dither OH 24 00:01:08 00:02:53 0.396
GB91_dither OH 24 00:01:08 00:02:53 0.396
GB74_dither OH 24 00:01:08 00:02:50 0.402
GB92_dither OH 24 00:01:08 00:02:56 0.389
GB93_dither OH 24 00:01:08 00:02:53 0.396
GB75_dither OH 24 00:01:08 00:02:50 0.402
GB112_dither OH 24 00:01:08 00:02:53 0.396
GB79_dither OH 16 00:00:45 00:02:19 0.329
field12862_test 8 00:00:22 00:06:47 0.056
field12862 40 00:01:54 00:04:44 0.402
field12863 40 00:01:54 00:05:01 0.380
field7867 40 00:01:54 00:04:50 0.394
field7327 40 00:01:54 00:04:50 0.394
field7062 40 00:01:54 00:04:47 0.398
field6801 40 00:01:54 00:04:50 0.394
field6040 40 00:01:54 00:04:50 0.394
field5794 40 00:01:54 00:04:50 0.394
field5313 40 00:01:54 00:04:44 0.402
field5314 40 00:01:54 00:04:50 0.394
field5080 40 00:01:54 00:04:44 0.402
field4851 40 00:01:54 00:04:47 0.398
field4626 40 00:01:54 00:04:47 0.398
field4627 40 00:01:54 00:04:47 0.398
field4407 40 00:01:54 00:04:50 0.394
field3980 40 00:01:54 00:04:44 0.402
field3774 40 00:01:54 00:04:47 0.398
field3775 40 00:01:54 00:04:47 0.398
field3573 40 00:01:54 00:04:44 0.402
field3376 40 00:01:54 00:04:50 0.394
field3377 40 00:01:54 00:04:52 0.391
field2998 40 00:01:54 00:04:44 0.402
field2816 40 00:01:54 00:04:47 0.398
field2817 40 00:01:54 00:04:47 0.398
field2641 40 00:01:54 00:04:47 0.398
field2642 40 00:01:54 00:04:52 0.391
field2144 40 00:01:54 00:04:52 0.391
field2145 40 00:01:54 00:04:44 0.402
field2146 40 00:01:54 00:04:44 0.402
field2147 40 00:01:54 00:04:47 0.398
field2148 40 00:01:54 00:04:50 0.394
field2149 40 00:01:54 00:05:09 0.369
field1307 40 00:01:54 00:05:57 0.320
field1310 40 00:01:54 00:05:48 0.328
field8506 40 00:01:54 00:04:44 0.402
field8505 40 00:01:54 00:04:44 0.402
field8504 44 00:02:05 00:05:21 0.392
field8504_test 12 00:00:34 00:02:38 0.217
field8787 40 00:01:54 00:04:47 0.398
field9074 40 00:01:54 00:04:47 0.398
field8786 40 00:01:54 00:04:50 0.394
field9075 40 00:01:54 00:04:47 0.398
field9073 40 00:01:54 00:04:47 0.398
field9363 40 00:01:54 00:04:47 0.398
field9364 40 00:01:54 00:04:47 0.398
field9076 40 00:01:54 00:04:47 0.398
field9077 40 00:01:54 00:04:47 0.398
field9078 40 00:01:54 00:04:47 0.398
field9079 40 00:01:54 00:04:47 0.398
field8793 40 00:01:54 00:04:47 0.398
field8794 40 00:01:54 00:04:44 0.402
field8795 40 00:01:54 00:04:47 0.398
field9082 40 00:01:54 00:04:50 0.394
field9083 40 00:01:54 00:04:47 0.398
field8798 40 00:01:54 00:04:47 0.398
field8236 40 00:01:54 00:04:47 0.398
field8237 40 00:01:54 00:04:58 0.383
field9081 40 00:01:54 00:04:50 0.394
field9370 40 00:01:54 00:04:52 0.391
field8792 40 00:01:54 00:04:50 0.394
field9367 40 00:01:54 00:04:50 0.394
field9366 40 00:01:54 00:04:52 0.391
field9365 40 00:01:54 00:05:57 0.320
field11738 40 00:01:54 00:04:50 0.394
field11737 40 00:01:54 00:04:52 0.391
field14853 40 00:01:54 00:04:47 0.398
field14852 40 00:01:54 00:04:47 0.398
field15169 40 00:01:54 00:04:44 0.402
field15168 40 00:01:54 00:04:47 0.398
field15484 40 00:01:54 00:05:12 0.366
field13576 40 00:01:54 00:04:44 0.402
field13577 40 00:01:54 00:04:50 0.394
field13270 40 00:01:54 00:05:01 0.380
field13271_test 4 00:00:11 00:01:10 0.162
field13271 40 00:01:54 00:04:50 0.394
field14210 40 00:01:54 00:04:44 0.402
field14211 40 00:01:54 00:04:44 0.402
field14212 40 00:01:54 00:04:44 0.402
field14213 40 00:01:54 00:04:44 0.402
field14214 40 00:01:54 00:04:47 0.398
field14844 40 00:01:54 00:04:44 0.402
field14845 40 00:01:54 00:04:44 0.402
field14846 40 00:01:54 00:04:44 0.402
field14847 40 00:01:54 00:04:44 0.402
field14848 40 00:01:54 00:04:44 0.402
field14849 40 00:01:54 00:04:44 0.402
field14850 40 00:01:54 00:04:47 0.398
field14851 40 00:01:54 00:04:47 0.398
field15483 40 00:01:54 00:04:47 0.398
field15799 40 00:01:54 00:04:44 0.402
field15800 40 00:01:54 00:04:50 0.394
field15167 40 00:01:54 00:04:47 0.398
field15482 40 00:01:54 00:04:44 0.402
field15166 40 00:01:54 00:04:44 0.402
field15165 40 00:01:54 00:04:52 0.391
field16116 40 00:01:54 00:05:09 0.369
field9362 40 00:01:54 00:05:54 0.323










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 158:57:47 319:07:20 0.498
Apr 161:02:39 338:08:53 0.476
May 244:24:55 372:31:50 0.656
Jun 209:59:39 370:50:11 0.566
Jul 224:49:02 377:25:14 0.596
Aug 230:19:15 357:22:01 0.644
Sep 190:24:38 318:36:32 0.598
Oct 183:24:57 296:59:20 0.618
Nov 09:10:12 26:59:02 0.340

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 2010:13:29 1048:20:13 961:53:15 269:19:42 230:51:10 230:51:10 230:51:10 215:58:39
Observed 1769:50:57
(88.04%)		 1042:38:31
(99.46%)		 727:12:26
(75.60%)		 171:50:38
(63.80%)		 163:15:48
(70.72%)		 264:43:44
(114.67%)		 127:22:14
(55.17%)		 215:58:39
(N/A)
Remaining 240:22:31
(11.96%)		 05:41:42
(0.54%)		 234:40:49
(24.40%)		 97:29:04
(36.20%)		 67:35:22
(29.28%)		 -34:07:27
(0.00%)		 103:28:56
(44.83%)		 00:00:00
(N/A)











Camera status (2025/11/03)



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