PRIME Observation Log 2025/11/15

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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: 2025/11/15
Local observer:
Remote observer:
Weather:
Comment:
Detector Temperature: 116.99991 +- 0.00147 K
ImageAcquisitionErrors occurred 0 times

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 19:39:28
Morning 05:03:07
Science Observation
(Sun altitude < -10°)
Start 20:03:38
End 04:38:57
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 20:03:38
End 20:28:57


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 06:06:28 08:35:19 0.711
GB Time 00:04:57 00:25:19 0.196
Non-GB Time 06:01:30 08:10:00 0.738


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 160 00:07:37 00:19:17 0.395
GB 4 00:00:11 00:04:57 0.038
SAAO 748 00:35:39 01:30:22 0.395
OU 748 00:35:39 01:30:22 0.395
NASA 748 00:35:39 01:30:22 0.395
ABC 748 00:35:39 01:30:22 0.395


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
TWILIGHT 160 00:07:37 00:19:17 0.395
Bulge 4 00:00:11 00:04:57 0.038
all_sky_grid 2992 02:22:37 06:01:30 0.395


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
FLAT ZO 160 00:07:37 00:19:17 0.395
GB76_test OH 4 00:00:11 00:04:57 0.038
field5530_test 16 00:00:45 00:04:58 0.153
field5530 40 00:01:54 00:04:52 0.391
field7043 40 00:01:54 00:05:01 0.380
field11021 40 00:01:54 00:05:04 0.376
field15379 40 00:01:54 00:04:47 0.398
field15380 40 00:01:54 00:04:50 0.394
field14124 40 00:01:54 00:04:47 0.398
field14125 40 00:01:54 00:04:47 0.398
field14126 40 00:01:54 00:04:47 0.398
field14127 40 00:01:54 00:04:47 0.398
field14128 40 00:01:54 00:04:47 0.398
field14129 40 00:01:54 00:04:47 0.398
field14130 40 00:01:54 00:04:50 0.394
field14131 40 00:01:54 00:04:50 0.394
field14446 40 00:01:54 00:04:47 0.398
field14133 40 00:01:54 00:04:47 0.398
field14134 40 00:01:54 00:04:50 0.394
field14135 40 00:01:54 00:04:47 0.398
field14136 40 00:01:54 00:04:47 0.398
field14137 40 00:01:54 00:04:47 0.398
field14138 40 00:01:54 00:04:47 0.398
field13826 40 00:01:54 00:04:44 0.402
field13827 40 00:01:54 00:04:47 0.398
field13828 40 00:01:54 00:04:44 0.402
field13829 40 00:01:54 00:04:50 0.394
field15400 40 00:01:54 00:04:44 0.402
field15401 40 00:01:54 00:04:44 0.402
field15402 40 00:01:54 00:04:47 0.398
field15403 40 00:01:54 00:04:44 0.402
field15404 40 00:01:54 00:04:44 0.402
field15088 40 00:01:54 00:04:55 0.387
field16040 40 00:01:54 00:04:47 0.398
field16041 40 00:01:54 00:04:47 0.398
field16042 40 00:01:54 00:04:50 0.394
field16043 40 00:01:54 00:04:47 0.398
field16361 40 00:01:54 00:04:44 0.402
field16362 40 00:01:54 00:04:50 0.394
field16997 40 00:01:54 00:04:50 0.394
field16998 40 00:01:54 00:04:50 0.394
field16684 40 00:01:54 00:04:50 0.394
field17316 40 00:01:54 00:04:47 0.398
field17633 40 00:01:54 00:04:44 0.402
field17634 40 00:01:54 00:04:44 0.402
field17320 40 00:01:54 00:04:44 0.402
field17321 40 00:01:54 00:04:44 0.402
field17322 40 00:01:54 00:04:47 0.398
field17323 40 00:01:54 00:04:50 0.394
field17641 40 00:01:54 00:04:50 0.394
field17957 40 00:01:54 00:04:47 0.398
field17958 40 00:01:54 00:04:50 0.394
field17959 40 00:01:54 00:04:44 0.402
field17960 40 00:01:54 00:04:47 0.398
field17961 40 00:01:54 00:04:47 0.398
field17962 40 00:01:54 00:04:44 0.402
field17963 40 00:01:54 00:04:44 0.402
field17964 40 00:01:54 00:04:44 0.402
field17965 40 00:01:54 00:04:47 0.398
field17966 40 00:01:54 00:04:44 0.402
field17967 40 00:01:54 00:04:44 0.402
field17968 40 00:01:54 00:04:44 0.402
field17969 40 00:01:54 00:04:44 0.402
field17970 40 00:01:54 00:04:44 0.402
field17971 40 00:01:54 00:04:47 0.398
field17972 40 00:01:54 00:04:44 0.402
field17973 40 00:01:54 00:04:47 0.398
field17974 40 00:01:54 00:04:44 0.402
field17975 40 00:01:54 00:04:47 0.398
field17976 40 00:01:54 00:04:47 0.398
field17977 40 00:01:54 00:04:44 0.402
field17978 40 00:01:54 00:04:47 0.398
field17979 40 00:01:54 00:04:44 0.402
field17980 40 00:01:54 00:04:44 0.402
field17981 40 00:01:54 00:04:44 0.402
field17982 40 00:01:54 00:04:44 0.402
field17983 40 00:01:54 00:04:44 0.402
field17984 16 00:00:45 00:02:06 0.361










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 69:22:58 132:03:02 0.525

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 2017:54:16 1045:58:48 971:55:27 272:08:19 233:15:42 233:15:42 233:15:42 219:07:32
Observed 1830:03:44
(90.69%)		 1045:33:03
(99.96%)		 784:30:41
(80.72%)		 183:50:52
(67.56%)		 175:16:02
(75.14%)		 286:01:17
(122.62%)		 139:22:28
(59.75%)		 219:07:32
(N/A)
Remaining 187:50:31
(9.31%)		 00:25:45
(0.04%)		 187:24:45
(19.28%)		 88:17:26
(32.44%)		 57:59:40
(24.86%)		 -53:14:25
(0.00%)		 93:53:13
(40.25%)		 00:00:00
(N/A)











Camera status (2025/11/15)



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