blog:20260915

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blog:20260915 [2026/09/16 01:50] – Sterling Olsonblog:20260915 [2026/09/16 07:13] (current) – Sterling Olson
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 =====Time=====  =====Time===== 
-1800-+1800-0713
 =====Attendance===== =====Attendance=====
-Nick, Percy+Nick, Percy, Pavi
 =====Spaces Occupied===== =====Spaces Occupied=====
 ASTROPOL PICSI2 data collection ASTROPOL PICSI2 data collection
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   [21:39:54] Slewing to GRW +708247   [21:39:54] Slewing to GRW +708247
   [21:40:00] Starting captures of GRW +708247   [21:40:00] Starting captures of GRW +708247
 +  [22:08:21] obs arrival Percy
 +  [22:08:31] Percy came in at 1830
 +  [23:40:28] Finished capture of GRW +708247
 +  [00:52:07] Changed instrument for standard field observations
 +  [00:52:32] instrument change from PICSI2 --> ASI2600
 +  [00:53:12] Waiting for instrument temp to stabilize, may need to set to -5deg instead
 +  [00:53:22] Setting to -5deg
 +  [01:07:33] 2600 configured, gain 100, brightness 200, setpoint -5deg, cooler power 53
 +  [01:15:50] Focus done, FWHM: 7.210
 +  [01:45:18] Obs arrival Pavi
 +  [01:45:37] @ 0000ET
 +  [02:03:07] PG2213-006 UBVRI set complete
 +  [02:03:28] Beginning section F: Sky Brightness Measurement
 +  [02:06:25] Unclear what exposure time to use. As well as the "brain icon" the plan refers to
 +  [02:14:33] U 0.06 e/pix/s gain 100
 +  [02:18:54] B 1.58 e/pix/s gain 100
 +  [02:55:22] PG2213-006 visit 2 complete, time 02:55
 +  [03:45:57] PG2213-006 visit 4 complete, time 03:45
 +  [03:46:51] Returning to sky brightness measurements
 +  [03:48:54] V 2.69 e/pix/s gain 100
 +  [03:50:18] R 2.53 e/pix/s gain 100
 +  [03:51:44] ASTRODON 7.78 e/pix/s gain 100
 +  [03:52:52] Beginning section G
 +  [04:04:15] tzking pupil defocus capture at focus 1825 and exposure time 60s
 +  [06:03:26] Camera temperature: -4.90deg
 +  [06:03:39] Taking bias captures
 +  [06:29:02] bias and darks don, temp 23.3, gain 100 uncooled, doors closed
 +  [06:40:08] Redoing bias and darks with cooler on
 +  [06:40:21] temp: -5.80
 +  [06:58:47] bias and darks done, temp -5.00, gain 100, cooled, doors closed
 +  [07:00:17] Filter slots: U B V R {astrodon}, Sharpcap names: filter 1, filter 2, filter 3, filter 4, filter 5
 +  [07:01:17] best focus FWHM: 7.210
 +  [07:03:06] 5 sky brightness values: U 0.06 e/pix/s, B 1.58 e/pix/s, 2.69 e/pix/s, R 2.53 e/pix/s, ASTRODON 7.78 e/pix/s
 +  [07:03:20] Gain; 100
 +  [07:03:28] Brightness: 200
 +  [07:03:50] Temperature setpoint: -5C
 +  [07:04:34] We used the standard data cable for the 2400, voltage unknown (suspected to be 12V)
 +  [07:04:48] Sky flats not taken
 +  [07:05:17] Outside temp:62deg
 +  [07:05:27] Outside humidity: 87%
 +  [07:06:21] 4 airmass visits completed, as well as all 3 requested blazar targets and Saturn
 +  [07:06:35] Shutting down for the night
 +
 =====ToDo===== =====ToDo=====