PRIME Observation Log 2023/03/27

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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: 2023/03/27
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 19:01:21
Morning 06:23:12
Science Observation
(Sun altitude < -10°)
Start 19:22:39
End 06:01:53
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 00:17:40
End 06:01:53


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 05:16:45 10:39:13 0.496
GB Time 04:16:24 05:44:12 0.745
Non-GB Time 01:00:20 04:55:00 0.205


Institute Statistics
Institute Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
OU 340 00:16:12 01:00:20 0.269
GB 1520 01:12:27 04:16:24 0.283
CALIB 260 00:12:23 00:35:05 0.353


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
Flat 248 00:11:49 00:25:55 0.456
bulge 1520 01:12:27 04:16:24 0.283
SKY 92 00:04:23 00:34:25 0.127
Twilight 260 00:12:23 00:35:05 0.353


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
Twilight 248 00:11:49 00:25:55 0.456
GB6 OH 32 00:01:31 00:30:09 0.051
GCsky 92 00:04:23 00:34:25 0.127
GB13 OH 96 00:04:34 00:12:48 0.357
GB12 OH 96 00:04:34 00:10:26 0.438
GB11 OH 96 00:04:34 00:10:21 0.442
GB10 OH 96 00:04:34 00:10:24 0.440
GB9 OH 124 00:05:54 00:34:47 0.170
GB16 OH 96 00:04:34 00:17:29 0.261
GB17 OH 96 00:04:34 00:09:56 0.460
GB18 OH 96 00:04:34 00:10:13 0.448
GB19 OH 96 00:04:34 00:10:15 0.446
GB20 OH 96 00:04:34 00:24:16 0.188
GB23 OH 96 00:04:34 00:20:25 0.224
GB24 OH 96 00:04:34 00:09:59 0.458
GB25 OH 96 00:04:34 00:10:01 0.456
GB26 OH 96 00:04:34 00:09:50 0.465
GB27 OH 96 00:04:34 00:15:58 0.287
GB23 OJ 20 00:00:57 00:08:58 0.106
Flat OJ 260 00:12:23 00:35:05 0.353










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 53:18:33 275:37:38 0.193

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 1615:47:22 869:12:59 746:34:22 209:02:25 179:10:38 179:10:38 179:10:38 12:26:59
Observed 123:46:47
(7.66%)		 28:12:54
(3.25%)		 95:33:53
(12.80%)		 00:00:00
(0.00%)		 93:48:18
(52.35%)		 01:45:35
(0.98%)		 00:00:00
(0.00%)		 12:26:59
(N/A)
Remaining 1492:00:34
(92.34%)		 841:00:05
(96.75%)		 651:00:28
(87.20%)		 209:02:25
(100.00%)		 85:22:20
(47.65%)		 177:25:03
(99.02%)		 179:10:38
(100.00%)		 00:00:00
(N/A)











Camera status (2023/03/27)