PRIME Observation Log 2025/03/11

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Raw Log (Time is in SA time)
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Observation Log (Time is in UT)

Date: 2025/03/11
Local observer: Yuki Satoh,
Remote observer: Tsutsumi Nagai, Ryo Ogawa,
Weather: clear
Comment:
Detector Temperature: 113.99994 +- 0.00198 K
ImageAcquisitionErrors occurred 2 times @
2025-03-11 23:50:42 SAT
2025-03-11 23:58:09 SAT

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 19:21:27
Morning 06:12:05
Science Observation
(Sun altitude < -10°)
Start 19:43:01
End 05:50:30
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 01:18:40
End 05:50:30


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 05:57:53 10:07:29 0.589
GB Time 03:42:01 04:31:50 0.817
Non-GB Time 02:15:51 05:35:38 0.405


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 148 00:07:03 00:29:27 0.239
ALLSKY 2044 01:37:25 02:15:51 0.717
GB 2072 01:38:45 03:42:01 0.445
SAAO 511 00:24:21 00:33:57 0.717
OU 511 00:24:21 00:33:57 0.717
NASA 511 00:24:21 00:33:57 0.717
ABC 511 00:24:21 00:33:57 0.717


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
TWILIGHT 148 00:07:03 00:29:27 0.239
all_sky_grid 2044 01:37:25 02:15:51 0.717
Bulge 2024 01:36:28 03:36:58 0.445
SKY 48 00:02:17 00:05:03 0.452


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
FLAT_test OY 12 00:00:34 00:08:00 0.071
FLAT OY 136 00:06:28 00:21:27 0.302
field20800_test 8 00:00:22 00:07:26 0.051
field20800 40 00:01:54 00:04:04 0.469
field20801 40 00:01:54 00:04:04 0.469
field20802 40 00:01:54 00:03:52 0.491
field20803 40 00:01:54 00:03:58 0.480
field20804 40 00:01:54 00:04:04 0.469
field20805 40 00:01:54 00:03:47 0.503
field20806 40 00:01:54 00:04:34 0.416
field20827 40 00:01:54 00:03:47 0.503
field20828 40 00:01:54 00:04:01 0.474
field20829 40 00:01:54 00:04:29 0.425
field21101 40 00:01:54 00:03:52 0.491
field21102 76 00:03:37 00:04:01 0.901
field21103 80 00:03:48 00:04:29 0.850
field21104 80 00:03:48 00:03:47 1.007
field21105 80 00:03:48 00:04:04 0.937
field21106 80 00:03:48 00:04:04 0.937
field21107 80 00:03:48 00:03:50 0.995
field21108 80 00:03:48 00:04:18 0.887
field21109 80 00:03:48 00:04:01 0.948
field21110 80 00:03:48 00:03:47 1.007
field21111 80 00:03:48 00:04:54 0.776
field21112 80 00:03:48 00:03:58 0.960
field21113 80 00:03:48 00:04:18 0.887
field21114 80 00:03:48 00:04:18 0.887
field21115 80 00:03:48 00:04:04 0.937
field21116 80 00:03:48 00:03:50 0.995
field21117 80 00:03:48 00:04:06 0.927
field21118 80 00:03:48 00:04:35 0.831
field21119 80 00:03:48 00:04:31 0.841
field21120 80 00:03:48 00:04:20 0.878
field21121 80 00:03:48 00:04:28 0.852
GB97_dither OH 72 00:03:25 00:07:00 0.490
GB96_dither OH 72 00:03:25 00:07:00 0.490
GB95_dither OH 72 00:03:25 00:07:03 0.487
GB94_dither OH 72 00:03:25 00:06:57 0.493
GB93_dither OH 72 00:03:25 00:07:00 0.490
GB92_dither OH 72 00:03:25 00:07:03 0.487
GB91_dither OH 72 00:03:25 00:07:03 0.487
GB108_dither OH 72 00:03:25 00:07:00 0.490
GB109_dither OH 72 00:03:25 00:07:03 0.487
GB110_dither OH 72 00:03:25 00:06:51 0.500
GB111_dither OH 72 00:03:25 00:07:00 0.490
GB112_dither OH 72 00:03:25 00:07:00 0.490
GB113_dither OH 72 00:03:25 00:12:00 0.286
GB114_dither OH 48 00:02:17 00:04:38 0.493
GB131_dither OH 48 00:02:17 00:04:41 0.488
GB130_dither OH 48 00:02:17 00:04:35 0.498
GB129_dither OH 48 00:02:17 00:04:41 0.488
GB128_dither OH 48 00:02:17 00:04:41 0.488
GB127_dither OH 48 00:02:17 00:04:41 0.488
GB126_dither OH 48 00:02:17 00:04:41 0.488
GB125_dither OH 48 00:02:17 00:05:14 0.436
GCsky 48 00:02:17 00:05:03 0.452
GB63_dither OH 48 00:02:17 00:04:35 0.498
GB62_dither OH 48 00:02:17 00:04:38 0.493
GB61_dither OH 48 00:02:17 00:04:35 0.498
GB60_dither OH 48 00:02:17 00:04:41 0.488
GB59_dither OH 48 00:02:17 00:04:41 0.488
GB58_dither OH 48 00:02:17 00:04:38 0.493
GB57_dither OH 48 00:02:17 00:04:38 0.493
GB74_dither OH 48 00:02:17 00:04:41 0.488
GB75_dither OH 48 00:02:17 00:04:41 0.488
GB76_dither OH 48 00:02:17 00:04:43 0.484
GB77_dither OH 48 00:02:17 00:04:38 0.493
GB78_dither OH 48 00:02:17 00:05:48 0.394
GB79_test OH 32 00:01:31 00:16:43 0.091
GB79_dither OH 48 00:02:17 00:04:38 0.493
GB80_dither OH 48 00:02:17 00:04:38 0.493










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 48:41:49 109:26:03 0.445

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 1780:51:45 913:11:38 867:40:07 242:56:50 208:14:25 208:14:25 208:14:25 87:46:30
Observed 206:12:02
(11.58%)		 32:05:22
(3.51%)		 174:06:39
(20.07%)		 15:50:28
(6.52%)		 44:09:47
(21.21%)		 102:08:30
(49.05%)		 11:57:53
(5.75%)		 87:46:30
(N/A)
Remaining 1574:39:42
(88.42%)		 881:06:15
(96.49%)		 693:33:27
(79.93%)		 227:06:21
(93.48%)		 164:04:38
(78.79%)		 106:05:55
(50.95%)		 196:16:31
(94.25%)		 00:00:00
(N/A)











Camera status (2025/03/11)