PRIME Observation Log 2024/11/03

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Observation Log (Time is in UT)

Date: 2024/11/03
Local observer: Ryunosuke
Remote observer: None
Weather: clear or cloudy
Comment:
Detector Temperature: 119.49930 +- 0.00305 K
ImageAcquisitionErrors occurred 0 times

Expected Time
Twilight Flat Time
(Sun altitude = -5.5°)
Evening 19:28:11
Morning 05:12:02
Science Observation
(Sun altitude < -10°)
Start 19:51:30
End 04:48:44
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 19:51:30
End 21:15:07


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 02:12:43 08:57:13 0.247
GB Time 00:38:45 01:23:36 0.464
Non-GB Time 01:33:57 07:33:36 0.207


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 168 00:08:00 00:22:59 0.348
GB 308 00:14:40 00:38:45 0.379
NASA 179 00:08:31 01:28:53 0.096
ALLSKY 8 00:00:22 00:06:46 0.056
SAAO 2 00:00:05 00:01:41 0.056
OU 2 00:00:05 00:01:41 0.056
ABC 2 00:00:05 00:01:41 0.056


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
TWILIGHT 128 00:06:06 00:16:36 0.367
Bulge 308 00:14:40 00:38:45 0.379
ToO 177 00:08:26 01:27:11 0.097
all_sky_grid 8 00:00:22 00:06:46 0.056
calibration 40 00:01:54 00:06:23 0.298


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
FLAT ZO 128 00:06:06 00:16:36 0.367
GB128_dither_test OJ 12 00:00:34 00:06:13 0.092
GB63_dither_test OH 4 00:00:11 00:01:38 0.116
GB63_dither OH 24 00:01:08 00:02:21 0.484
GB62_dither OH 24 00:01:08 00:02:16 0.503
GB61_dither OH 24 00:01:08 00:02:30 0.456
GB60_dither OH 24 00:01:08 00:02:33 0.448
GB59_dither OH 24 00:01:08 00:02:19 0.493
GB58_dither OH 24 00:01:08 00:02:21 0.485
GB57_dither OH 24 00:01:08 00:02:28 0.464
GB74_dither OH 24 00:01:08 00:02:19 0.493
GB75_dither OH 24 00:01:08 00:02:33 0.448
GB76_dither OH 24 00:01:08 00:02:18 0.495
GB77_dither OH 24 00:01:08 00:02:39 0.431
GB78_dither OH 12 00:00:34 00:01:52 0.305
GB125_dither OH 16 00:00:45 00:02:19 0.327
field21046_test 89 00:04:14 01:20:13 0.053
field21046 88 00:04:11 00:06:58 0.602
field15228_test 4 00:00:11 00:06:04 0.031
field15837_test 4 00:00:11 00:00:41 0.276
test 40 00:01:54 00:06:23 0.298










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 02:44:17 26:57:37 0.102

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 1835:26:57 775:24:00 1060:02:57 296:48:49 254:24:42 254:24:42 254:24:42 185:49:10
Observed 1595:10:42
(86.91%)		 769:52:19
(99.29%)		 825:18:22
(77.86%)		 51:58:40
(17.51%)		 513:07:41
(201.69%)		 211:50:53
(83.27%)		 48:21:06
(19.01%)		 185:49:10
(N/A)
Remaining 240:16:15
(13.09%)		 05:31:40
(0.71%)		 234:44:34
(22.14%)		 244:50:08
(82.49%)		 -259:17:01
(0.00%)		 42:33:48
(16.73%)		 206:03:36
(80.99%)		 00:00:00
(N/A)











Camera status (2024/11/03)