PRIME Observation Log 2024/12/25

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Observation Log (Time is in UT)

Date: 2024/12/25
Local observer: Yusuke
Remote observer: Togo, Yui, Daisuke
Weather: Clear
Comment:
Detector Temperature: 120.44486 +- 0.36591 K
ImageAcquisitionErrors occurred 3 times @
2024-12-25 22:21:18 SAT
2024-12-26 02:31:24 SAT
2024-12-26 02:33:37 SAT

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 20:10:50
Morning 05:03:42
Science Observation
(Sun altitude < -10°)
Start 20:36:35
End 04:37:57
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 06:26:50 08:01:22 0.804
GB Time 00:00:00 00:00:00 0.000
Non-GB Time 06:26:50 08:01:22 0.804


Institute Statistics
Institute Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
NASA 4128 03:16:46 06:26:50 0.509
CALIB 140 00:06:40 00:12:38 0.528


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
all_sky_grid 4128 03:16:46 06:26:50 0.509
TWILIGHT 140 00:06:40 00:12:38 0.528


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
field3045_test 52 00:02:28 00:39:40 0.062
field3045 24 00:01:08 00:03:20 0.342
field3046 24 00:01:08 00:01:45 0.652
field3047 24 00:01:08 00:01:48 0.635
field3048 24 00:01:08 00:01:45 0.652
field3049 24 00:01:08 00:01:50 0.619
field2864 24 00:01:08 00:02:24 0.475
field2865 24 00:01:08 00:01:50 0.622
field2685 24 00:01:08 00:02:05 0.546
field2686 24 00:01:08 00:02:47 0.410
field2511 16 00:00:45 00:01:13 0.619
field2512 24 00:01:08 00:01:45 0.652
field2344 24 00:01:08 00:01:45 0.652
field2181 24 00:01:08 00:01:42 0.669
field2024 24 00:01:08 00:01:48 0.635
field1872 24 00:01:08 00:01:45 0.652
field1873 24 00:01:08 00:01:48 0.635
field1874 24 00:01:08 00:01:48 0.635
field2025 24 00:01:08 00:01:48 0.635
field2026 24 00:01:08 00:01:45 0.652
field2182 24 00:01:08 00:01:45 0.652
field2183 24 00:01:08 00:01:45 0.652
field2345 24 00:01:08 00:01:48 0.635
field2346 24 00:01:08 00:01:48 0.634
field2513 24 00:01:08 00:01:45 0.652
field2514 24 00:01:08 00:01:45 0.652
field2687 24 00:01:08 00:01:45 0.652
field2688 24 00:01:08 00:01:50 0.619
field2866 24 00:01:08 00:01:48 0.635
field2867 24 00:01:08 00:01:50 0.622
field3050 24 00:01:08 00:02:02 0.559
field3051 48 00:02:17 00:03:36 0.635
field3052 48 00:02:17 00:03:33 0.643
field3053 48 00:02:17 00:03:36 0.635
field2868 48 00:02:17 00:03:33 0.643
field2869 48 00:02:17 00:03:33 0.643
field2689 48 00:02:17 00:03:50 0.596
field2690 48 00:02:17 00:03:55 0.584
field2515 48 00:02:17 00:03:48 0.601
field2516 48 00:02:17 00:03:39 0.627
field2347 48 00:02:17 00:03:33 0.643
field2348 48 00:02:17 00:03:55 0.582
field2184 48 00:02:17 00:04:12 0.543
field2185 48 00:02:17 00:03:34 0.641
field2027 48 00:02:17 00:03:35 0.637
field2028 48 00:02:17 00:03:38 0.629
field1875 48 00:02:17 00:03:55 0.582
field1876 48 00:02:17 00:03:48 0.601
field1877 48 00:02:17 00:03:30 0.652
field2029 48 00:02:17 00:03:33 0.643
field2186 48 00:02:17 00:03:33 0.643
field2187 48 00:02:17 00:03:36 0.635
field2349 48 00:02:17 00:03:38 0.628
field2350 48 00:02:17 00:03:53 0.587
field2517 48 00:02:17 00:03:41 0.620
field2518 48 00:02:17 00:04:24 0.519
field2691 48 00:02:17 00:03:36 0.633
field2870 48 00:02:17 00:03:43 0.614
field2871 48 00:02:17 00:03:51 0.594
field3054 48 00:02:17 00:03:33 0.643
field3055 48 00:02:17 00:07:10 0.319
field3051_test 16 00:00:45 00:06:17 0.121
field4467_test 4 00:00:11 00:08:33 0.022
field4467 48 00:02:17 00:04:07 0.554
field4468 48 00:02:17 00:03:33 0.643
field4249 48 00:02:17 00:03:38 0.628
field4250 48 00:02:17 00:03:50 0.595
field4036 48 00:02:17 00:03:50 0.596
field4037 48 00:02:17 00:03:30 0.652
field4038 48 00:02:17 00:03:50 0.596
field3828 48 00:02:17 00:03:30 0.652
field3829 48 00:02:17 00:03:38 0.630
field3830 48 00:02:17 00:05:16 0.434
field3625 40 00:01:54 00:04:23 0.433
field3626 40 00:01:54 00:03:21 0.567
field3426 48 00:02:17 00:03:49 0.599
field3427 72 00:03:25 00:05:53 0.583
field3232 48 00:02:17 00:04:09 0.549
field3233 48 00:02:17 00:03:47 0.603
field3234 48 00:02:17 00:03:36 0.635
field3235 48 00:02:17 00:03:30 0.652
field3428 48 00:02:17 00:03:50 0.596
field3429 48 00:02:17 00:03:27 0.660
field3627 48 00:02:17 00:03:33 0.643
field3628 48 00:02:17 00:03:35 0.637
field3831 48 00:02:17 00:03:48 0.601
field3832 48 00:02:17 00:03:33 0.643
field4039 48 00:02:17 00:03:47 0.603
field4040 48 00:02:17 00:03:32 0.647
field4251 48 00:02:17 00:03:51 0.592
field4252 48 00:02:17 00:04:04 0.562
field4253 48 00:02:17 00:03:36 0.635
field4469 48 00:02:17 00:04:14 0.539
field4470 24 00:01:08 00:02:04 0.549
field4471 24 00:01:08 00:02:02 0.562
field4472 24 00:01:08 00:01:45 0.652
field4473 24 00:01:08 00:01:50 0.619
field4254 24 00:01:08 00:01:47 0.641
field4255 24 00:01:08 00:02:04 0.549
field4041 24 00:01:08 00:01:57 0.584
field4042 24 00:01:08 00:01:45 0.652
field3833 24 00:01:08 00:01:47 0.641
field3834 24 00:01:08 00:02:06 0.545
field3629 24 00:01:08 00:01:45 0.652
field3630 24 00:01:08 00:01:45 0.652
field3430 24 00:01:08 00:01:46 0.644
field3431 24 00:01:08 00:01:52 0.610
field3236 24 00:01:08 00:01:45 0.652
field3237 24 00:01:08 00:01:48 0.635
field3238 24 00:01:08 00:01:48 0.635
field3239 24 00:01:08 00:01:53 0.603
field3432 24 00:01:08 00:10:35 0.108
FLAT OJ 140 00:06:40 00:12:38 0.528










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 207:54:50 357:10:27 0.582
Sep 183:12:12 318:22:44 0.575
Oct 177:05:22 296:44:08 0.597
Nov 142:27:16 257:34:23 0.553
Dec 29:18:41 201:38:53 0.145

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 1788:20:50 776:03:21 1012:17:28 283:26:29 242:56:59 242:56:59 242:56:59 234:56:03
Observed 1764:12:24
(98.65%)		 776:03:21
(100.00%)		 988:09:03
(97.62%)		 69:35:18
(24.55%)		 600:49:05
(247.30%)		 260:32:46
(107.24%)		 57:11:52
(23.54%)		 234:56:03
(N/A)
Remaining 24:08:25
(1.35%)		 00:00:00
(0.00%)		 24:08:25
(2.38%)		 213:51:10
(75.45%)		 -358:07:55
(0.00%)		 -18:24:13
(0.00%)		 185:45:07
(76.46%)		 00:00:00
(N/A)











Camera status (2024/12/25)