PRIME Observation Log 2023/04/17

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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: 2023/04/17
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 18:35:42
Morning 06:37:16
Science Observation
(Sun altitude < -10°)
Start 18:57:11
End 06:15:45
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 22:55:07
End 06:15:45


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 05:35:18 11:18:33 0.494
GB Time 05:27:44 07:20:38 0.744
Non-GB Time 00:07:33 03:57:55 0.032


Institute Statistics
Institute Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
OU 4 00:00:11 00:07:33 0.025
GB 1660 01:19:07 05:27:44 0.241


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
SKY 4 00:00:11 00:07:33 0.025
bulge 1660 01:19:07 05:27:44 0.241


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
GCsky 4 00:00:11 00:07:33 0.025
GB22 OJ 60 00:02:51 00:18:07 0.158
GB29 OJ 108 00:05:08 00:59:32 0.086
GB30 OJ 48 00:02:17 00:04:45 0.481
GB31 OJ 48 00:02:17 00:04:45 0.481
GB32 OJ 48 00:02:17 00:04:45 0.481
GB33 OJ 48 00:02:17 00:04:48 0.476
GB34 OJ 48 00:02:17 00:04:48 0.476
GB35 OJ 84 00:04:00 00:37:39 0.106
GB28 OJ 48 00:02:17 00:04:48 0.476
GB27 OJ 48 00:02:17 00:04:48 0.476
GB26 OJ 48 00:02:17 00:04:48 0.476
GB25 OJ 48 00:02:17 00:04:48 0.476
GB24 OJ 48 00:02:17 00:04:48 0.476
GB23 OJ 48 00:02:17 00:04:51 0.471
GB15 OJ 48 00:02:17 00:04:59 0.458
GB17 OJ 48 00:02:17 00:05:13 0.438
GB19 OJ 48 00:02:17 00:05:41 0.402
GB21 OJ 48 00:02:17 00:17:29 0.131
GB16 OJ 48 00:02:17 00:04:45 0.481
GB18 OJ 48 00:02:17 00:04:45 0.481
GB20 OJ 76 00:03:37 00:39:26 0.092
GB14 OJ 72 00:03:25 00:22:08 0.155
GB13 OJ 48 00:02:17 00:04:48 0.476
GB12 OJ 48 00:02:17 00:04:48 0.476
GB11 OJ 48 00:02:17 00:04:45 0.481
GB10 OJ 48 00:02:17 00:04:45 0.481
GB9 OJ 48 00:02:17 00:04:48 0.476
GB8 OJ 48 00:02:17 00:04:50 0.473
GB7 OH 48 00:02:17 00:04:45 0.481
GB6 OH 48 00:02:17 00:04:45 0.481
GB5 OH 8 00:00:22 00:02:11 0.174
GB7 OJ 48 00:02:17 00:13:56 0.164
GB7 ZO 4 00:00:11 00:00:41 0.276










Stats so far in 2023
Monthly observed fraction so far in 2023
Month Observed Time
(hh:mm:ss) 		Expected Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Jan 18:43:03 259:20:03 0.072
Feb 51:45:11 258:50:12 0.200
Mar 55:18:59 318:34:15 0.174
Apr 30:11:53 188:08:42 0.161

Observed time so far in 2023
- Total time of each institute is calculated by the following
    [All observation time in 2023] = [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 2023] = [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 2023] = [All observation time in 2023] - [GB observation time in 2023]
    
    [OU, NASA, ABC time in 2023] = 0.24 x [Non-GB observation time in 2023]
    [SAAO time in 2023] = 0.28 x [Non-GB observation time in 2023]
    
- 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 1532:27:02 817:46:36 714:40:26 200:06:31 171:31:18 171:31:18 171:31:18 14:55:46
Observed 155:59:07
(10.18%)		 45:51:56
(5.61%)		 110:07:10
(15.41%)		 00:00:00
(0.00%)		 108:21:35
(63.18%)		 01:45:35
(1.03%)		 00:00:00
(0.00%)		 14:55:46
(N/A)
Remaining 1376:27:55
(89.82%)		 771:54:39
(94.39%)		 604:33:15
(84.59%)		 200:06:31
(100.00%)		 63:09:42
(36.82%)		 169:45:42
(98.97%)		 171:31:18
(100.00%)		 00:00:00
(N/A)











Camera status (2023/04/17)