PRIME Observation Log 2023/05/02

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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: 2023/05/02
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 18:20:35
Morning 06:47:15
Science Observation
(Sun altitude < -10°)
Start 18:42:29
End 06:25:19
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 21:56:08
End 06:25:19


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 04:27:33 11:42:50 0.381
GB Time 03:08:30 08:29:11 0.370
Non-GB Time 01:19:02 03:13:39 0.408


Institute Statistics
Institute Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
OU 652 00:31:04 01:19:02 0.393
GB 1028 00:49:00 03:08:30 0.260


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
Twilght 632 00:30:07 01:16:10 0.395
bulge 1028 00:49:00 03:08:30 0.260
SKY 20 00:00:57 00:02:51 0.333


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
Flat 632 00:30:07 01:16:10 0.395
GB36 OH 152 00:07:14 01:04:39 0.112
GCsky 20 00:00:57 00:02:51 0.333
GB37 OH 96 00:04:34 00:09:36 0.476
GB38 OH 96 00:04:34 00:09:39 0.474
GB39 OH 96 00:04:34 00:09:39 0.474
GB40 OH 96 00:04:34 00:09:39 0.474
GB41 OH 104 00:04:57 00:19:30 0.254
GB43 OH 96 00:04:34 00:09:56 0.460
GB42 OH 192 00:09:09 00:43:29 0.210
GB44 OH 100 00:04:46 00:12:18 0.387










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 77:47:40 337:41:57 0.230
May 07:26:31 23:24:11 0.318

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 1501:00:38 769:18:36 731:42:01 204:52:33 175:36:29 175:36:29 175:36:29 14:55:46
Observed 211:01:26
(14.06%)		 57:03:01
(7.42%)		 153:58:24
(21.04%)		 00:00:00
(0.00%)		 152:08:36
(86.64%)		 01:49:48
(1.04%)		 00:00:00
(0.00%)		 14:55:46
(N/A)
Remaining 1289:59:11
(85.94%)		 712:15:35
(92.58%)		 577:43:36
(78.96%)		 204:52:33
(100.00%)		 23:27:52
(13.36%)		 173:46:40
(98.96%)		 175:36:29
(100.00%)		 00:00:00
(N/A)











Camera status (2023/05/02)