PRIME Observation Log 2025/10/24

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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: 2025/10/24
Local observer: Kansuke
Remote observer:
Weather: Clear
Comment:
Detector Temperature: 115.98701 +- 0.06380 K
ImageAcquisitionErrors occurred 0 times

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 19:19:01
Morning 05:22:18
Science Observation
(Sun altitude < -10°)
Start 19:41:39
End 04:59:40
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 19:41:39
End 21:55:27


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 09:31:20 09:18:01 1.024
GB Time 01:57:18 02:13:48 0.877
Non-GB Time 07:34:02 07:04:13 1.070


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 280 00:13:20 00:32:56 0.405
GB 960 00:45:45 01:57:18 0.390
SAAO 941 00:44:51 01:53:30 0.395
OU 941 00:44:51 01:53:30 0.395
NASA 941 00:44:51 01:53:30 0.395
ABC 941 00:44:51 01:53:30 0.395


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
TWILIGHT 280 00:13:20 00:32:56 0.405
Bulge 936 00:44:36 01:54:14 0.391
SKY 24 00:01:08 00:03:04 0.372
all_sky_grid 3764 02:59:25 07:34:02 0.395


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
FLAT OJ 280 00:13:20 00:32:56 0.405
GB60_dither OJ 48 00:02:17 00:07:36 0.301
GCsky 24 00:01:08 00:03:04 0.372
GB80_dither OJ 48 00:02:17 00:05:44 0.399
GB97_dither OJ 48 00:02:17 00:05:44 0.399
GB114_dither OJ 48 00:02:17 00:05:44 0.399
GB113_dither OJ 48 00:02:17 00:05:41 0.402
GB96_dither OJ 48 00:02:17 00:05:41 0.402
GB79_dither OJ 48 00:02:17 00:05:44 0.399
GB78_dither OJ 48 00:02:17 00:05:41 0.402
GB95_dither OJ 48 00:02:17 00:05:44 0.399
GB112_dither OJ 48 00:02:17 00:05:41 0.402
GB111_dither OJ 48 00:02:17 00:05:44 0.399
GB94_dither OJ 48 00:02:17 00:05:44 0.399
GB77_dither OJ 48 00:02:17 00:05:41 0.402
GB76_dither OJ 48 00:02:17 00:05:44 0.399
GB93_dither OJ 48 00:02:17 00:05:44 0.399
GB110_dither OJ 48 00:02:17 00:05:41 0.402
GB109_dither OJ 48 00:02:17 00:05:44 0.399
GB92_dither OJ 48 00:02:17 00:05:44 0.399
GB75_dither OJ 48 00:02:17 00:05:41 0.402
GB74_dither OJ 24 00:01:08 00:03:41 0.310
field6523_test 4 00:00:11 00:00:34 0.336
field6523 40 00:01:54 00:04:52 0.391
field8401 40 00:01:54 00:04:55 0.387
field10425 40 00:01:54 00:04:50 0.394
field11023 40 00:01:54 00:04:58 0.383
field14116 40 00:01:54 00:04:47 0.398
field14117 40 00:01:54 00:05:04 0.376
field7873 40 00:01:54 00:04:52 0.391
field7333 40 00:01:54 00:04:47 0.398
field7069 40 00:01:54 00:04:50 0.394
field6550 40 00:01:54 00:04:50 0.394
field6046 40 00:01:54 00:04:47 0.398
field5800 40 00:01:54 00:04:50 0.394
field5086 40 00:01:54 00:04:50 0.394
field4632 40 00:01:54 00:04:50 0.394
field3985 40 00:01:54 00:04:47 0.398
field3779 40 00:01:54 00:04:44 0.402
field3780 40 00:01:54 00:04:47 0.398
field3781 40 00:01:54 00:04:47 0.398
field3579 40 00:01:54 00:04:47 0.398
field3580 40 00:01:54 00:04:44 0.402
field3581 40 00:01:54 00:04:47 0.398
field3384 40 00:01:54 00:04:44 0.402
field3385 40 00:01:54 00:04:47 0.398
field3386 40 00:01:54 00:04:47 0.398
field3387 40 00:01:54 00:04:47 0.398
field3587 40 00:01:54 00:04:47 0.398
field3588 40 00:01:54 00:04:47 0.398
field3589 40 00:01:54 00:04:47 0.398
field3390 40 00:01:54 00:04:47 0.398
field3391 40 00:01:54 00:04:50 0.394
field3392 40 00:01:54 00:04:50 0.394
field3012 40 00:01:54 00:04:47 0.398
field3013 40 00:01:54 00:04:47 0.398
field3014 40 00:01:54 00:04:47 0.398
field3015 40 00:01:54 00:04:47 0.398
field3016 40 00:01:54 00:04:50 0.394
field2833 40 00:01:54 00:04:50 0.394
field2834 40 00:01:54 00:04:47 0.398
field2835 40 00:01:54 00:04:47 0.398
field2836 40 00:01:54 00:04:50 0.394
field2837 40 00:01:54 00:04:50 0.394
field2838 40 00:01:54 00:04:47 0.398
field2839 40 00:01:54 00:04:47 0.398
field2840 40 00:01:54 00:04:50 0.394
field2841 40 00:01:54 00:04:50 0.394
field2842 40 00:01:54 00:04:47 0.398
field2843 40 00:01:54 00:04:47 0.398
field2844 40 00:01:54 00:04:47 0.398
field2845 40 00:01:54 00:04:50 0.394
field2846 40 00:01:54 00:04:52 0.391
field2847 40 00:01:54 00:04:47 0.398
field2848 40 00:01:54 00:04:50 0.394
field2849 40 00:01:54 00:04:47 0.398
field2850 40 00:01:54 00:04:47 0.398
field2851 40 00:01:54 00:04:47 0.398
field3035 40 00:01:54 00:04:50 0.394
field2852 40 00:01:54 00:04:50 0.394
field2853 40 00:01:54 00:04:50 0.394
field2854 40 00:01:54 00:04:50 0.394
field2855 40 00:01:54 00:04:50 0.394
field2856 40 00:01:54 00:04:47 0.398
field2678 40 00:01:54 00:04:47 0.398
field2677 40 00:01:54 00:04:52 0.391
field3036 40 00:01:54 00:05:01 0.380
field4458 40 00:01:54 00:04:50 0.394
field4907 40 00:01:54 00:04:47 0.398
field4906 40 00:01:54 00:04:50 0.394
field4903 40 00:01:54 00:04:50 0.394
field4901 40 00:01:54 00:04:50 0.394
field5613 40 00:01:54 00:04:47 0.398
field5614 40 00:01:54 00:04:50 0.394
field5615 40 00:01:54 00:04:50 0.394
field5375 40 00:01:54 00:04:50 0.394
field5616 40 00:01:54 00:04:50 0.394
field5612 40 00:01:54 00:04:47 0.398
field5611 40 00:01:54 00:04:47 0.398
field5610 40 00:01:54 00:04:44 0.402
field5609 40 00:01:54 00:04:47 0.398
field5856 40 00:01:54 00:04:44 0.402
field5855 40 00:01:54 00:04:44 0.402
field5854 40 00:01:54 00:04:47 0.398
field6353 40 00:01:54 00:04:52 0.391
field6618 40 00:01:54 00:04:47 0.398
field6617 40 00:01:54 00:04:50 0.394
field6876 40 00:01:54 00:04:47 0.398
field6877 40 00:01:54 00:04:50 0.394
field7138 40 00:01:54 00:04:47 0.398
field7139 40 00:01:54 00:04:47 0.398
field7140 40 00:01:54 00:04:47 0.398
field7142 40 00:01:54 00:04:47 0.398
field7143 40 00:01:54 00:04:47 0.398
field7144 40 00:01:54 00:04:47 0.398
field7149 40 00:01:54 00:04:47 0.398
field7411 40 00:01:54 00:05:37 0.339










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 141:50:12 232:50:50 0.609

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 2005:02:18 1048:22:31 956:39:47 267:51:56 229:35:56 229:35:56 229:35:56 212:06:10
Observed 1719:06:01
(85.74%)		 1033:46:06
(98.61%)		 685:19:54
(71.64%)		 161:28:48
(60.28%)		 152:53:57
(66.59%)		 253:56:44
(110.60%)		 117:00:24
(50.96%)		 212:06:10
(N/A)
Remaining 285:56:17
(14.26%)		 14:36:24
(1.39%)		 271:19:52
(28.36%)		 106:23:08
(39.72%)		 76:41:59
(33.41%)		 -25:39:13
(0.00%)		 112:35:32
(49.04%)		 00:00:00
(N/A)











Camera status (2025/10/24)



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