PRIME Observation Log 2025/06/13

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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: 2025/06/13
Local observer: Ryusei
Remote observer:
Weather: clear (cloudy a little)
Comment:
Detector Temperature: 113.99990 +- 0.00126 K
ImageAcquisitionErrors occurred 0 times

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 18:02:39
Morning 07:11:21
Science Observation
(Sun altitude < -10°)
Start 18:25:45
End 06:48:15
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 19:09:07
End 06:38:24


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 12:26:51 12:22:29 1.006
GB Time 11:06:30 11:29:17 0.967
Non-GB Time 01:20:21 00:53:11 1.510


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.)
GB 6356 05:02:58 11:06:30 0.455
CALIB 164 00:07:49 00:20:58 0.373
SAAO 130 00:06:11 00:20:05 0.308
OU 130 00:06:11 00:20:05 0.308
NASA 130 00:06:11 00:20:05 0.308
ABC 130 00:06:11 00:20:05 0.308


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
all_sky_grid 520 00:24:47 01:20:21 0.308
Bulge 6164 04:53:49 10:42:26 0.457
SKY 192 00:09:09 00:24:04 0.380
TWILIGHT 164 00:07:49 00:20:58 0.373


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
field15261_test 28 00:01:20 00:13:37 0.098
field15261 40 00:01:54 00:04:57 0.385
field15262 40 00:01:54 00:03:52 0.491
field15263 40 00:01:54 00:03:52 0.491
field15264 40 00:01:54 00:03:50 0.497
field15265 40 00:01:54 00:03:47 0.503
field15266 40 00:01:54 00:17:08 0.111
GB83_test OH 48 00:02:17 00:16:33 0.138
GB82_dither OH 24 00:01:08 00:02:19 0.493
GB99_dither OH 24 00:01:08 00:02:19 0.493
GB116_dither OH 24 00:01:08 00:02:21 0.484
GB81_dither OH 24 00:01:08 00:02:21 0.484
GB98_dither OH 24 00:01:08 00:02:19 0.493
GB115_dither OH 24 00:01:08 00:02:21 0.483
GB80_dither OH 24 00:01:08 00:02:19 0.493
GB97_dither OH 24 00:01:08 00:02:19 0.493
GB114_dither OH 24 00:01:08 00:04:56 0.232
GB76_dither OH 576 00:27:27 00:57:23 0.478
GB81_test OJ 16 00:00:45 00:08:28 0.090
GB97_dither OJ 48 00:02:17 00:04:35 0.498
GB96_dither OJ 48 00:02:17 00:04:32 0.503
GB95_dither OJ 48 00:02:17 00:04:35 0.498
GB94_dither OJ 48 00:02:17 00:04:35 0.498
GB93_dither OJ 48 00:02:17 00:04:38 0.493
GB92_dither OJ 48 00:02:17 00:04:32 0.503
GB91_dither OJ 48 00:02:17 00:04:32 0.503
GB108_dither OJ 48 00:02:17 00:04:32 0.503
GB109_dither OJ 48 00:02:17 00:04:32 0.503
GB110_dither OJ 48 00:02:17 00:04:38 0.493
GB111_dither OJ 48 00:02:17 00:04:38 0.493
GB112_dither OJ 48 00:02:17 00:04:35 0.498
GB113_dither OJ 48 00:02:17 00:04:32 0.503
GB114_dither OJ 48 00:02:17 00:05:06 0.448
GCsky 192 00:09:09 00:24:04 0.380
GB77_dither OH 552 00:26:18 00:55:21 0.475
GB78_dither OH 528 00:25:10 00:51:23 0.490
GB94_dither OH 528 00:25:10 00:52:28 0.480
GB111_dither OH 528 00:25:10 00:51:40 0.487
GB110_dither OH 528 00:25:10 00:51:51 0.485
GB109_dither OH 312 00:14:52 00:32:26 0.458
GB92_dither OH 188 00:08:57 00:24:20 0.368
GB93_dither OH 144 00:06:51 00:14:14 0.482
GB75_dither OH 288 00:13:43 00:29:47 0.461
GB112_dither OH 240 00:11:26 00:23:19 0.490
GB79_dither OH 240 00:11:26 00:26:02 0.439
GB60_dither OH 120 00:05:43 00:11:33 0.495
GB95_dither OH 120 00:05:43 00:11:58 0.478
GB113_dither OH 120 00:05:43 00:11:49 0.484
GB74_dither OH 24 00:01:08 00:02:24 0.474
GB91_dither OH 24 00:01:08 00:02:24 0.474
GB108_dither OH 8 00:00:22 00:03:58 0.096
GB73_dither OH 24 00:01:08 00:02:24 0.474
GB90_dither OH 24 00:01:08 00:02:24 0.474
GB107_dither OH 24 00:01:08 00:02:21 0.484
GB106_dither OH 24 00:01:08 00:02:21 0.484
GB89_dither OH 24 00:01:08 00:02:21 0.484
GB72_dither OH 24 00:01:08 00:02:41 0.425
field13816_test 12 00:00:34 00:03:25 0.167
field13816 40 00:01:54 00:03:47 0.503
field13817 40 00:01:54 00:03:47 0.503
field13818 40 00:01:54 00:03:47 0.503
field13819 40 00:01:54 00:03:47 0.503
field13820 40 00:01:54 00:03:50 0.497
field13821 40 00:01:54 00:06:49 0.279
FLAT_test OH 4 00:00:11 00:07:11 0.026
FLAT OH 160 00:07:37 00:13:46 0.553










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 103:35:51 160:20:32 0.646

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 1859:43:19 953:07:47 906:35:31 253:50:44 217:34:55 217:34:55 217:34:55 150:08:35
Observed 825:24:53
(44.38%)		 455:49:12
(47.82%)		 369:35:40
(40.77%)		 60:18:20
(23.76%)		 87:29:36
(40.21%)		 169:39:17
(77.97%)		 52:08:25
(23.96%)		 150:08:35
(N/A)
Remaining 1034:18:26
(55.62%)		 497:18:35
(52.18%)		 536:59:51
(59.23%)		 193:32:24
(76.24%)		 130:05:19
(59.79%)		 47:55:37
(22.03%)		 165:26:30
(76.04%)		 00:00:00
(N/A)











Camera status (2025/06/13)



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