David's Astronomy Pages
Notes - Session 882 (2021-04-11)

 
Bullet Session Aims & Highlights
 - Observing Result
 - Night Summary Plot
 - Session Event Log
 
Bullet Operational Issues
  - Critical Issues (0),  Major Issues (0),  Minor Issues (3),  Continuous Improvement (0)
Bullet Images from 2021-04-11 >>     [ Local Files >> ]

Session Aims & Highlights (2021-04-11)

Main aims

  1. Targets. Acquire images of a selection of variable stars, nearby stars, comets & deep sky targets as allowed by conditions

Equipment & Software

Highlights

Summary Plots & Logs

Observing Plan
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Observing Result
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Dome & Scope Slewing Performance
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Slew/Centering Performance
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Guiding Performance
Dec Notes :
Run 5 (black) failed due to cloud/lost star
Run 2 (red) impacted by periods of ineffective Dec guiding
Run 4 (orange) impacted by poor seeing/wind or anomalous Dec jumps
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Sky Conditions (Locate Frames)
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Night Sky Summary Plot
Top axis: Sky Brightness at Zenith (in ADU/s)
Lefthand axis: Local Time (hh LT). Righthand axis: Sun Altitude (degs)
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Actual Weather vs Pre-Session Weather Forecast
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Session Event Log
Time     Event Detail
22:21:58 Session Monitoring AutoStart monitoring for Live Session opportunity starting between 22:21 & 04:02
22:22:02 Session AutoStarting Session autostarting (22:22)
22:22:46   Camera1 Connected SBIG Camera Connected (set point -25°C)
22:22:48 Session Created Live Session Created (2021-04-11 S00882, ImageSaveNum: 882001)
22:22:50   Scope Switched On Telescope Power has been switched on via UPB Powerbox.
22:24:07   Services Started Observatory Services started
22:25:29 Observatory (Auto) Observatory placed in Fully-Automated Mode
22:25:32 Session Pending Session pending (2021-04-11)
22:25:34 Session Initiating Session initiating (2021-04-11)
22:25:36   Plan Requested Observing Plan requested from AstroPlan (1.21.6)
22:26:05   Plan Loaded Observing Plan loaded to queue (, Plan ID: 621)
22:26:11   Camera1 Connected SBIG Camera Connected (set point -20°C)
22:26:16   Telescope Connected Telescope Connected (TheSky6)
22:26:26 Session Equilibration Session ready for dome & camera equilibration
22:27:12   Dome Opened Dome opened (opening time 46s)
22:27:33   Telescope Connected Telescope Connected (TheSky6)
22:28:33 Session Running Session running
22:28:36   Queue Started Observing Queue started (21 targets selected)
22:29:44       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:32:57       Focusing Completed Foc1 AutoFocus Completed (Profile No 1, wide)
22:34:47       Focusing Completed Foc1 AutoFocus Completed (Profile No 1)
22:34:52       Focusing Started-Foc2 Foc2 Focusing Started (Secondary Scope, using ShCap)
22:37:21       Focusing Completed Foc2 AutoFocus Completed (Profile No 2, wide)
22:39:11       Focusing Completed Foc2 AutoFocus Completed (Profile No 2)
22:39:28       Focusing Checked Foc2 Focusing Check Succeeded
22:40:32     Target Started (1/21) Target started (1/21, C/2020 T2 (Palomar))
22:47:24       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-S)
23:02:53     Target Completed Target completed (1/21, C/2020 T2 (Palomar))
23:07:54     Target Started (2/21) Target started (2/21, NGC 3310 w/SN2021gmj)
23:26:09     Target Completed Target partially completed (2/21, NGC 3310 w/SN2021gmj)
23:26:11     Target Started (3/21) Target started (3/21, GCVS AM CVn)
23:35:01     Target Completed Target partially completed (3/21, GCVS AM CVn)
23:35:04     Target Started (4/21) Target started (4/21, Nova Per 2020 (CV))
23:39:20       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-S)
23:48:58     Target Completed Target completed (4/21, Nova Per 2020 (CV))
23:49:00     Target Started (5/21) Target started (5/21, UGC 6930 w/SN2020rcq)
23:50:15   SoftSuspend Called Soft Suspend is called due to Deteriorating Conditions (too few stars)
23:57:40 Critical RainThreat Alert Critical Rain Threat Alert (Obs.Manager will close the Shutter)
23:57:42   HardSuspend Called Hard Suspend is called due to Critical Conditions (threat of rain)
23:57:44   CCDSoft Issue CCDSoft has encountered an image save issue [0000]
23:57:46   CCDSoft Restarting CCDSoft restarting in attempt to fix image save issue [0000]
23:58:03   Camera1 Connected SBIG Camera Connected (set point -25°C)
23:59:42 Session Suspended Session suspended
00:00:14     Target Aborted (5/21) Target aborted (5/21, UGC 6930 w/SN2020rcq) due to threat of rain
00:00:16   Queue Paused Queue paused For Session Suspension
00:00:31   Dome Closed Dome closed (closing time 48s)
00:01:08     Target Cancelled Target cancelled (5/21, UGC 6930 w/SN2020rcq) due to wind
00:22:00     Target Cancelled Target cancelled (6/21, NGC 4227 w/SN2021biz) due to cloud
00:44:22     Target Cancelled Target cancelled (7/21, IC 3242) due to cloud
01:06:44     Target Cancelled Target cancelled (8/21, UGCA 304) due to cloud
01:28:36     Target Cancelled Target cancelled (9/21, NGC 5018 w/SN2021fxy) due to rain
01:50:28     Target Cancelled Target cancelled (10/21, NGC 4165 w/SN2021gno) due to cloud
02:12:20     Target Cancelled Target cancelled (11/21, IC 863 w/SN2021foa) due to cloud
02:34:12     Target Cancelled Target cancelled (12/21, IC 992 w/SN2021dwg) due to cloud
02:45:38     Target Cancelled Target cancelled (13/21, GCVS R CrB) due to cloud
03:11:19     Target Cancelled Target cancelled (14/21, UGC 10310) due to cloud
03:25:00     Target Cancelled Target cancelled (15/21, GCVS U Her) due to cloud
03:33:35     Target Cancelled Target cancelled (16/21, HIP 87937) due to cloud
03:42:55     Target Cancelled Target cancelled (17/21, GCVS BL Lac) due to cloud
03:52:05     Target Cancelled Target cancelled (18/21, GCVS HH And) due to cloud
04:00:20     Target Cancelled Target cancelled (19/21, WDS GRB 34) due to cloud
04:07:27     Target Cancelled Target cancelled (20/21, 61 Cyg) due to cloud
04:15:59 Session Resuming Session resuming
04:16:44   Dome Opened Dome opened (opening time 45s)
04:16:46 Session Running Session running
04:16:48     Target Started (21/21) Target started (21/21, AT2021hkn)
04:16:50   Queue Resumed Observing Queue resumed
04:40:30     Target Completed Target completed (21/21, AT2021hkn)
04:40:33   Queue Completed Job Queue completed
04:40:36 Session Closing Session closing
04:41:26   Dome Closed Dome closed (closing time 45s)
04:42:01   Dome Parked Dome parked (parking time 27s), Az: 90.0 deg
04:42:51   Telescope Parked Telescope parked (parking time 42s)
04:43:21   Telescope Switched Off Telescope Power has been switched off via UPB Switch.
04:44:08   Services Stopped Night Services stopped
04:44:10 Session Housekeeping Housekeeping Started (Cleanup FITS, Create Fits Summary, Transfer Files)
04:44:17 Session Finished Session Finished
 
Session Alerts
Time     Alert Detail
23:09:42 Dome Discrepency Difference between Telescope Az and Dome Az is > 8 deg (NGC 3310)
23:57:42 CCDSoft Image file [0000] hasn't been saved to disk, possible CCDSoft issue
04:19:50 CCDSoft Image file has been saved to disk following CCDSoft Restart

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Operational Issues (2021-04-11 S882)

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Critical Issues

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