PRIME Observation Log 2023/05/15

Return to index
Previous day Next day

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: 2023/05/15
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 18:10:46
Morning 06:55:47
Science Observation
(Sun altitude < -10°)
Start 18:33:06
End 06:33:24
Bulge Observation
(Sun alt. < -10° & GB alt. > 22°)
Start 21:05:02
End 06:33:24


Observed Fraction
Actually Observed Time
(hh:mm:ss) 		Expected Observation Time
(hh:mm:ss) 		Observed Fraction
(observed/expected)
Total Time 04:45:53 12:00:18 0.397
GB Time 03:18:26 09:28:22 0.349
Non-GB Time 01:27:27 02:31:55 0.576


Institute Statistics
Institute Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
OU 844 00:40:13 01:27:27 0.460
GB 1432 01:08:15 03:18:26 0.344


Type Statistics
Type Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
Flat 520 00:24:47 00:52:45 0.470
bulge 1432 01:08:15 03:18:26 0.344
Twilght 324 00:15:26 00:34:41 0.445


Target Statistics
Target Total Frame Total Exposure
(hh:mm:ss) 		Total Observation
(hh:mm:ss) 		Efficiency
(exp./obs.)
Twilight 520 00:24:47 00:52:45 0.470
GB36 OH 100 00:04:46 00:39:40 0.120
GB37 OH 48 00:02:17 00:04:48 0.476
GB38 OH 48 00:02:17 00:04:48 0.476
GB39 OH 48 00:02:17 00:04:48 0.476
GB40 OH 48 00:02:17 00:04:48 0.476
GB41 OH 48 00:02:17 00:04:48 0.476
GB42 OH 48 00:02:17 00:04:51 0.471
GB43 OH 48 00:02:17 00:04:51 0.471
GB44 OH 48 00:02:17 00:04:50 0.473
GB1 OJ 48 00:02:17 00:04:48 0.476
GB2 OJ 48 00:02:17 00:04:48 0.476
GB3 OJ 48 00:02:17 00:04:45 0.481
GB4 OJ 48 00:02:17 00:04:45 0.481
GB5 OJ 48 00:02:17 00:04:45 0.481
GB6 OJ 48 00:02:17 00:04:45 0.481
GB7 OJ 60 00:02:51 00:15:07 0.189
GB14 OJ 48 00:02:17 00:04:45 0.481
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 00:04:48 0.476
GB10 OJ 48 00:02:17 00:04:48 0.476
GB9 OJ 48 00:02:17 00:04:54 0.467
GB8 OJ 72 00:03:25 00:21:18 0.161
GB15 OJ 48 00:02:17 00:04:51 0.471
GB16 OJ 48 00:02:17 00:04:54 0.467
GB17 OJ 48 00:02:17 00:05:02 0.454
GB19 OJ 48 00:02:17 00:06:14 0.366
GB21 OJ 48 00:02:17 00:05:09 0.444
Flat 324 00:15:26 00:34:41 0.445










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 50:47:07 177:47:27 0.286

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 1467:09:36 720:07:04 747:02:32 209:10:18 179:17:24 179:17:24 179:17:24 14:55:46
Observed 254:22:02
(17.34%)		 66:28:30
(9.23%)		 187:53:32
(25.15%)		 00:00:00
(0.00%)		 186:03:43
(103.78%)		 01:49:48
(1.02%)		 00:00:00
(0.00%)		 14:55:46
(N/A)
Remaining 1212:47:33
(82.66%)		 653:38:33
(90.77%)		 559:09:00
(74.85%)		 209:10:18
(100.00%)		 -7:13:41
(0.00%)		 177:27:35
(98.98%)		 179:17:24
(100.00%)		 00:00:00
(N/A)











Camera status (2023/05/15)