David's Astronomy Pages
Notes - Session 887 (2021-04-16)

 
Bullet Session Aims & Highlights
 - Observing Result
 - Night Summary Plot
 - Session Event Log
 
Bullet Operational Issues
  - Critical Issues (0),  Major Issues (0),  Minor Issues (4),  Small Defects (0),  Continuous Improvement (0)
Bullet Images from 2021-04-16 >>     [ Local Files >> ]
Bullet Aurora Images/Video from 2021-04-16 >>

Session Aims & Highlights (2021-04-16)

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

Notes

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 2 (red) impacted by anomalous Dec jumps and periods of ineffective Dec guiding
Run 10 (mauve) impacted by large backlash? and periods of ineffective Dec guiding
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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
22:33:08 Session Created Live Session Created (2021-04-16 S00887, ImageSaveNum: 887001)
22:33:10   Scope Switched On Telescope Power has been switched on via UPB Powerbox.
22:34:30   Services Started Observatory Services started
22:34:31 Observatory (Manual) Observatory placed in Manual Mode
22:44:22   Services Started Observatory Services started
22:44:48   Services Stopped Observatory Services stopped
22:44:51 Program Closed Program closed by User
22:44:53 Program Closed Program closed by User
22:47:08 Session Resumed Live Session Resumed (2021-04-16 S00887, ImageSaveNum: 887001)
22:49:52   Obs.Manager Started Obs.Manager started
22:49:54   Obs.Overseer Started Obs.Overseer started
22:49:57   Services Started Observatory Services started
22:50:24   Camera1 Connected SBIG Camera Connected (set point -20°C)
22:50:38 Session Monitoring AutoStart monitoring for Live Session opportunity starting between 22:50 & 03:45
22:50:39 Session Monitoring AutoStart monitoring for Live Session opportunity starting between 22:50 & 03:45
22:50:40 Observatory (AutoStart) Observatory placed in Auto-Start Mode
22:50:42 Session AutoStarting Session autostarting (22:50)
22:50:43 Session AutoStarting Session autostarting (22:50)
22:51:03   Services Started Observatory Services started
22:51:12 Observatory (Auto) Observatory placed in Fully-Automated Mode
22:51:14 Session Pending Session pending (2021-04-16)
22:51:16 Session Initiating Session initiating (2021-04-16)
22:51:18   Plan Requested Observing Plan requested from AstroPlan (1.21.6)
22:52:47   Plan Loaded Observing Plan loaded to queue (, Plan ID: 626)
22:52:50   Camera1 Connected SBIG Camera Connected (set point -20°C)
22:52:55   Telescope Connected Telescope Connected (TheSky6)
22:53:11 Session Equilibration Session ready for dome & camera equilibration
22:53:57   Dome Opened Dome opened (opening time 46s)
22:54:17 Session Running Session running
22:54:20   Queue Started Observing Queue started (21 targets selected)
22:55:34       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:59:01       Focusing Completed Foc1 AutoFocus Completed (Profile No 1, wide)
23:01:04       Focusing Completed Foc1 AutoFocus Completed (Profile No 1)
23:01:30       Focusing Started-Foc2 Foc2 Focusing Started (Secondary Scope, using ShCap)
23:03:53       Focusing Completed Foc2 AutoFocus Completed (Profile No 2, wide)
23:05:44       Focusing Completed Foc2 AutoFocus Completed (Profile No 2)
23:06:01       Focusing Checked Foc2 Focusing Check Succeeded
23:06:15     Target Started (1/21) Target started (1/21, AT2021hkn)
23:10:42       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:12:33       Focusing Completed Foc1 AutoFocus Completed (Profile No 3)
23:18:41     Target Completed Target completed (1/21, AT2021hkn)
23:18:43     Target Started (2/21) Target started (2/21, Nova Per 2020 (CV))
23:23:10       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:25:04       Focusing Completed Foc1 AutoFocus Completed (Profile No 4)
23:31:27   UPB.Switch Restart UPB.Switch has been restarted.
23:33:36     Target Completed Target completed (2/21, Nova Per 2020 (CV))
23:33:38     Target Started (3/21) Target started (3/21, NGC 4227 w/SN2021biz)
23:38:26       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:40:34       Focusing Completed Foc1 AutoFocus Completed (Profile No 5)
23:56:19     Target Completed Target completed (3/21, NGC 4227 w/SN2021biz)
23:56:21     Target Started (4/21) Target started (4/21, NGC 4774 w/AT2021cjd)
00:01:05       Focusing Skipped Foc1 focusing skipped - unable to find a star (TCF-S)
00:18:37     Target Completed Target completed (4/21, NGC 4774 w/AT2021cjd)
00:18:40     Target Started (5/21) Target started (5/21, NGC 5018 w/SN2021fxy)
00:22:30       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:24:44       Focusing Completed Foc1 AutoFocus Completed (Profile No 6)
00:40:49     Target Completed Target completed (5/21, NGC 5018 w/SN2021fxy)
00:40:51     Target Started (6/21) Target started (6/21, IC 863 w/SN2021foa)
00:46:00       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:48:13       Focusing Completed Foc1 AutoFocus Completed (Profile No 7)
01:04:18     Target Completed Target completed (6/21, IC 863 w/SN2021foa)
01:04:20     Target Started (7/21) Target started (7/21, IC 992 w/SN2021dwg)
01:08:36       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-S)
01:26:18     Target Completed Target completed (7/21, IC 992 w/SN2021dwg)
01:26:20     Target Started (8/21) Target started (8/21, GCVS CI Cyg)
01:29:29       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:31:30       Focusing Completed Foc1 AutoFocus Completed (Profile No 8)
01:35:07     Target Completed Target completed (8/21, GCVS CI Cyg)
01:35:09     Target Started (9/21) Target started (9/21, GCVS BL Lac)
01:39:33       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:41:27       Focusing Completed Foc1 AutoFocus Completed (Profile No 9)
01:44:59     Target Completed Target completed (9/21, GCVS BL Lac)
01:45:01     Target Started (10/21) Target started (10/21, NGC 3310 w/SN2021gmj)
01:48:31       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-S)
01:52:29 Critical Humidity Alert Critical Humidity Alert (Obs.Manager will close the Shutter)
01:52:31   HardSuspend Called Hard Suspend is called due to Critical Conditions (high humidity)
01:52:34     Target Aborted (10/21) Target aborted (10/21, NGC 3310 w/SN2021gmj) due to high humidity
01:52:36   Queue Paused Queue paused For Session Suspension
01:52:39 Session Suspended Session suspended
01:53:29   Dome Closed Dome closed (closing time 50s)
02:00:42     Target Cancelled Target cancelled (10/21, NGC 3310 w/SN2021gmj) due to high humidity
02:22:34     Target Cancelled Target cancelled (11/21, NGC 4165 w/SN2021gno) due to high humidity
02:43:46     Target Cancelled Target cancelled (12/21, C/2020 T2 (Palomar)) due to high humidity
02:51:33     Target Cancelled Target cancelled (13/21, 61 Cyg) due to high humidity
02:59:45     Target Cancelled Target cancelled (14/21, GCVS HH And) due to high humidity
03:08:00     Target Cancelled Target cancelled (15/21, WDS GRB 34) due to high humidity
03:16:31     Target Cancelled Target cancelled (16/21, GCVS R CrB) due to high humidity
03:23:47 Session Resuming Session resuming
03:24:32   Dome Opened Dome opened (opening time 45s)
03:24:34 Session Running Session running
03:24:36     Target Started (17/21) Target started (17/21, GCVS U Her)
03:24:38   Queue Resumed Observing Queue resumed
03:25:12 Critical Humidity Alert Critical Humidity Alert (Obs.Manager will close the Shutter)
03:25:14   HardSuspend Called Hard Suspend is called due to Critical Conditions (high humidity)
03:25:16     Target Aborted (17/21) Target aborted (17/21, GCVS U Her) due to high humidity
03:25:18   Queue Paused Queue paused For Session Suspension
03:25:20 Session Suspended Session suspended
03:26:07   Dome Closed Dome closed (closing time 50s)
03:27:27     Target Cancelled Target cancelled (17/21, GCVS U Her) due to high humidity
03:36:02     Target Cancelled Target cancelled (18/21, HIP 87937) due to high humidity
03:41:18 Session Resuming Session resuming
03:42:04   Dome Opened Dome opened (opening time 45s)
03:42:06 Session Running Session running
03:42:08     Target Started (19/21) Target started (19/21, 7P/Pons-Winnecke)
03:42:10   Queue Resumed Observing Queue resumed
03:59:42     Target Completed Target partially completed (19/21, 7P/Pons-Winnecke)
03:59:44     Target Started (20/21) Target started (20/21, GCVS CY Lyr)
04:00:15 Critical Humidity Alert Critical Humidity Alert (Obs.Manager will close the Shutter)
04:00:17   HardSuspend Called Hard Suspend is called due to Critical Conditions (high humidity)
04:00:26     Target Aborted (20/21) Target aborted (20/21, GCVS CY Lyr) due to high humidity
04:00:28   Queue Paused Queue paused For Session Suspension
04:00:30 Session Suspended Session suspended
04:01:20   Dome Closed Dome closed (closing time 50s)
04:02:35 Session Resuming Session resuming
04:03:21   Dome Opened Dome opened (opening time 45s)
04:03:23 Session Running Session running
04:03:25   Queue Resumed Observing Queue resumed
04:03:27     Target Started (20/21) Target started (20/21, GCVS CY Lyr)
04:09:32     Target Completed Target partially completed (20/21, GCVS CY Lyr)
04:09:34     Target Started (21/21) Target started (21/21, KIC 8462852)
04:12:06       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
04:14:13       Focusing Completed Foc1 AutoFocus Completed (Profile No 10)
04:17:48     Target Completed Target completed (21/21, KIC 8462852)
04:17:51   Queue Completed Job Queue completed
04:17:54 Session Closing Session closing
04:18:47   Dome Closed Dome closed (closing time 50s)
04:21:55   Dome Parked Dome parked (parking time 181s), Az: 90.0 deg
04:22:36   Telescope Parked Telescope parked (parking time 36s)
04:23:06   Telescope Switched Off Telescope Power has been switched off via UPB Switch.
04:23:54   Services Stopped Night Services stopped
04:23:56 Session Housekeeping Housekeeping Started (Cleanup FITS, Create Fits Summary, Transfer Files)
04:24:07 Session Finished Session Finished
 
Session Alerts
Time     Alert Detail
22:34:31 Telescope Alert ASCOM Telescope not connnected
23:31:27 UPB.Switch disconnected UPB.Switch has unexpectedly disconnected. Restart will be attempted
23:31:29 UPB.Switch UPB.Switch has been successfully restarted.

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Operational Issues (2021-04-16 S887)

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Critical Issues

Major Issues

Minor Issues

Small Defects

Continuous Improvement

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