PRIME Observation Log 2023/04/09

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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: 2023/04/09
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 18:45:02
Morning 06:31:57
Science Observation
(Sun altitude < -10°)
Start 19:06:23
End 06:10:34
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 23:26:33
End 06:10:34


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 03:02:06 11:04:11 0.274
GB Time 00:51:41 06:44:00 0.128
Non-GB Time 02:10:25 04:20:10 0.501


Institute Statistics
Institute Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
CALIB 320 00:15:15 00:32:21 0.471
OU 360 00:17:09 02:10:25 0.132
GB 72 00:03:25 00:51:41 0.066


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
Twilight 320 00:15:15 00:32:21 0.471
SKY 220 00:10:29 01:36:22 0.109
OpenCluster 140 00:06:40 00:34:02 0.196
bulge 72 00:03:25 00:51:41 0.066


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
Flat ZO 320 00:15:15 00:32:21 0.471
NGC3532 268 00:12:46 01:21:16 0.157
GCsky 92 00:04:23 00:49:08 0.089
GB22 OJ 72 00:03:25 00:51:41 0.066










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 20:33:58 98:29:59 0.209

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 1567:38:29 838:07:47 729:30:41 204:15:47 175:04:58 175:04:58 175:04:58 14:55:46
Observed 146:21:13
(9.34%)		 37:54:39
(4.52%)		 108:26:33
(14.87%)		 00:00:00
(0.00%)		 106:40:58
(60.93%)		 01:45:35
(1.01%)		 00:00:00
(0.00%)		 14:55:46
(N/A)
Remaining 1421:17:16
(90.66%)		 800:13:08
(95.48%)		 621:04:08
(85.13%)		 204:15:47
(100.00%)		 68:23:59
(39.07%)		 173:19:22
(98.99%)		 175:04:58
(100.00%)		 00:00:00
(N/A)











Camera status (2023/04/09)