PRIME Observation Log 2024/04/01

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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: 2024/04/01
Local observer:
Remote observer:
Weather:
Comment:
Detector Temperature: 0.00000 +- 0.00000 K
ImageAcquisitionErrors occurred 0 times

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 18:53:59
Morning 06:27:07
Science Observation
(Sun altitude < -10°)
Start 19:15:17
End 06:05:47
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 23:55:06
End 06:05:47


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 09:26:06 10:50:30 0.870
GB Time 04:54:38 06:10:41 0.795
Non-GB Time 04:31:28 04:39:48 0.970


Institute Statistics
Institute Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
CALIB 920 00:43:51 01:26:04 0.509
OU 1828 01:27:08 04:31:28 0.321
GB 3224 02:33:40 04:54:38 0.522


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
EVENING_TWILIGHT 520 00:24:47 00:51:26 0.482
all_sky_grid 1732 01:22:33 04:19:26 0.318
Bulge 3224 02:33:40 04:54:38 0.522
SKY 96 00:04:34 00:12:01 0.380
MORNING_TWILIGHT 400 00:19:04 00:34:38 0.550


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
FLAT 920 00:43:51 01:26:04 0.509
field10542_test 132 00:06:17 01:27:56 0.072
field10542 40 00:01:54 00:04:12 0.453
field10543 40 00:01:54 00:04:09 0.458
field10544 40 00:01:54 00:04:12 0.453
field10545 40 00:01:54 00:04:12 0.453
field10546 40 00:01:54 00:04:15 0.448
field10547 40 00:01:54 00:04:12 0.453
field10548 40 00:01:54 00:04:12 0.453
field10549 40 00:01:54 00:04:09 0.458
field10550 40 00:01:54 00:04:09 0.458
field10551 40 00:01:54 00:04:15 0.448
field10552 40 00:01:54 00:04:12 0.453
field10553 40 00:01:54 00:04:09 0.458
field10554 40 00:01:54 00:04:09 0.458
field10555 40 00:01:54 00:04:15 0.448
field10556 40 00:01:54 00:04:15 0.448
field10557 40 00:01:54 00:04:09 0.458
field10558 40 00:01:54 00:04:12 0.453
field10559 40 00:01:54 00:04:15 0.448
field10560 40 00:01:54 00:04:12 0.453
field10561 40 00:01:54 00:04:12 0.453
field10562 40 00:01:54 00:04:15 0.448
field10563 40 00:01:54 00:04:12 0.453
field10564 40 00:01:54 00:04:15 0.448
field10565 40 00:01:54 00:04:12 0.453
field10566 40 00:01:54 00:04:12 0.453
field10567 40 00:01:54 00:04:12 0.453
field10568 40 00:01:54 00:04:15 0.448
field10569 40 00:01:54 00:04:15 0.448
field10570 40 00:01:54 00:04:09 0.458
field10571 40 00:01:54 00:04:15 0.448
field10572 40 00:01:54 00:04:12 0.453
field10573 40 00:01:54 00:04:12 0.453
field10574 40 00:01:54 00:04:12 0.453
field10575 40 00:01:54 00:04:12 0.453
field10576 40 00:01:54 00:04:18 0.443
field10577 40 00:01:54 00:04:18 0.443
field10578 40 00:01:54 00:04:09 0.458
field10579 40 00:01:54 00:04:12 0.453
field10580 40 00:01:54 00:04:12 0.453
field10581 40 00:01:54 00:07:06 0.268
GB63_test OH 56 00:02:40 00:15:51 0.168
GB63 OH 96 00:04:34 00:08:09 0.561
GB62 OH 96 00:04:34 00:08:12 0.558
GB61 OH 96 00:04:34 00:08:12 0.558
GB60 OH 96 00:04:34 00:08:17 0.552
GB59 OH 96 00:04:34 00:08:12 0.558
GB58 OH 96 00:04:34 00:08:09 0.561
GB57 OH 96 00:04:34 00:08:34 0.534
GB74 OH 96 00:04:34 00:08:09 0.561
GB75 OH 96 00:04:34 00:08:12 0.558
GB76_dither12 OH 48 00:02:17 00:05:06 0.448
GB77 OH 96 00:04:34 00:08:09 0.561
GB78 OH 96 00:04:34 00:08:20 0.548
GB79 OH 96 00:04:34 00:08:20 0.548
GB80 OH 96 00:04:34 00:08:31 0.536
GCsky 96 00:04:34 00:12:01 0.380
GB97 OH 96 00:04:34 00:08:12 0.558
GB96 OH 96 00:04:34 00:08:14 0.555
GB95 OH 96 00:04:34 00:08:14 0.555
GB94 OH 96 00:04:34 00:08:17 0.552
GB93 OH 96 00:04:34 00:08:14 0.555
GB92 OH 96 00:04:34 00:08:14 0.555
GB91 OH 96 00:04:34 00:08:42 0.525
GB108 OH 96 00:04:34 00:08:23 0.545
GB109 OH 96 00:04:34 00:08:15 0.555
GB110 OH 96 00:04:34 00:08:17 0.552
GB111 OH 96 00:04:34 00:08:20 0.548
GB112 OH 96 00:04:34 00:08:23 0.545
GB113 OH 96 00:04:34 00:08:26 0.542
GB114 OH 96 00:04:34 00:08:43 0.525
GB131 OH 96 00:04:34 00:08:26 0.542
GB130 OH 96 00:04:34 00:08:37 0.531
GB129 OH 96 00:04:34 00:10:21 0.442
GB128 OH 48 00:02:17 00:04:04 0.561
GB127 OH 48 00:02:17 00:04:07 0.555
GB126 OH 48 00:02:17 00:04:04 0.561
GB125 OH 48 00:02:17 00:04:13 0.542
GB76_dither OH 48 00:02:17 00:05:11 0.440










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 09:26:06 10:50:30 0.870

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 1877:45:11 908:02:26 969:42:45 271:31:10 232:43:51 232:43:51 232:43:51 56:30:59
Observed 413:40:32
(22.03%)		 84:15:45
(9.28%)		 329:24:47
(33.97%)		 03:37:34
(1.34%)		 282:27:36
(121.37%)		 43:19:35
(18.62%)		 00:00:00
(0.00%)		 56:30:59
(N/A)
Remaining 1464:04:38
(77.97%)		 823:46:40
(90.72%)		 640:17:57
(66.03%)		 267:53:35
(98.66%)		 -50:16:15
(0.00%)		 189:24:15
(81.38%)		 232:43:51
(100.00%)		 00:00:00
(N/A)











Camera status (2024/04/01)