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 Notes - Session 1440 (2026-07-23)

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Bullet Session Aims & Highlights
 - Observing Result
 - Night Summary Plot
 - Session Event Log
Bullet Operational Issues
- Critical Issues (0),  Major Issues (0),  Minor Issues (2),  Small Defects (0),  Continuous Improvement (0)
- Figures (0)
   
Bullet Images from 2026-07-23  >>           
   
   

Session Aims & Highlights (2026-07-23)

Main aims

  1. Targets.  Acquire images of a selection of variable stars, nearby stars, comets & deep sky targets as allowed by sky conditions.
  2. AstroMain. Check new AstroMain xx.xx  version for any issues or problems following introduction of a number of changes.

 Equipment & Software

Highlights

Notes

Summary Plots & Logs

Observing Plan
Image
  
Observing Result
Image
   
Image
 
Dome & Scope Slewing Performance
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Slew/Centering Performance
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Guiding Performance
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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)
Note:  The NorthCam Star Count line is unreliable and should be ignored
(The AstroNorthCam 'Find' Star method is producing many false positives from clouds)
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Actual Weather vs Pre-Session Weather Forecast
Image
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Session Event Log
Time     Event Detail
23:02:06 Session Monitoring AutoStart monitoring for Live Session opportunity between 23:01 & 02:42
23:02:11 Session AutoStarting Session autostarting (23:02)
23:02:17 Session Created Session Created (Live, 2026-07-23 S01440)
23:02:20   CCDSoft Restarting CCDSoft being restarted (to set AutoSave No.)
23:02:42   Scope Switched On Telescope Power has been switched on via UPB Switch
23:04:27   Services Started Observatory Services started
23:04:38 Observatory (Auto) Observatory placed in Fully-Automated Mode
23:04:42 Session Pending Session pending (2026-07-23)
23:04:44 Session Initiating Session initiating (2026-07-23)
23:05:05   Camera1 Connected SBIG Camera connected (Set point -10°C)
23:05:08   Plan Requested Observing Plan requested from AstroPlan (1.47)
23:06:56   Plan Loaded Observing Plan loaded to queue (PlanID: 1241)
23:07:35   Telescope Connected Telescope connected (TheSky6)
23:08:00 Session Equilibration Session ready to Open Dome
23:08:03   Wait On Weather Waiting for acceptable conditions
23:08:05 Session Suspending Session suspending
23:08:07   Dome Closed Dome already closed
23:08:09 Session Suspended Session suspended
23:08:40   Queue Started Observing Queue started (10 targets selected)
23:11:36 Session Resuming Session resuming
23:12:21   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
23:12:23 Session Running Session running
23:12:25   Queue Resumed Observing Queue resumed
23:12:27     Target Started (1/10) Target started (1/10, T CrB)
23:12:36       Dome Unparked Dome unparked
23:17:14       Focusing Started-Foc2 Foc2 Focusing Started (Secondary Scope, using ShCap)
23:19:27       Focusing Completed Foc2 AutoFocus Completed (Profile No 1, wide)
23:21:11   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
23:21:13   HardSuspend Called Hard Suspend called due to Critical Conditions (cloud)
23:21:15       Focusing Completed Foc2 AutoFocus Completed (Profile No 1)
23:21:18       Focusing Aborted Foc2 Focusing Check Aborted
23:21:48     Target Aborted (1/10) Target aborted (1/10, T CrB) due to cloud
23:21:50   Queue Paused Queue paused for Session Suspension
23:21:52 Session Suspending Session suspending
23:22:42   Dome Closed Dome closed (Closing time 50s, Zigbee 43s)
23:22:47 Session Suspended Session suspended
23:24:48 Session Resuming Session resuming
23:25:33   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
23:25:38 Session Running Session running
23:25:40   Queue Resumed Observing Queue resumed
23:25:42     Target Started (1/10) Target started (1/10, T CrB)
23:27:22       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:29:23   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
23:29:25   HardSuspend Called Hard Suspend called due to Critical Conditions (cloud)
23:29:27       Focusing Aborted Foc1 Focusing Aborted due to HardSuspend
23:29:30     Target Aborted (1/10) Target aborted (1/10, T CrB) due to cloud
23:29:32   Queue Paused Queue paused for Session Suspension
23:29:34 Session Suspending Session suspending
23:30:19   Dome Closed Dome closed (Closing time 50s, Zigbee 43s)
23:30:24 Session Suspended Session suspended
23:31:58     Target Cancelled Target cancelled (1/10, T CrB) due to cloud
23:32:45 Session Resuming Session resuming
23:33:29   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
23:33:31 Session Running Session running
23:33:34   Queue Resumed Observing Queue resumed
23:33:36     Target Started (2/10) Target started (2/10, UGC 11058 w/SN2026ewd)
23:35:29   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
23:35:31   HardSuspend Called Hard Suspend called due to Critical Conditions (cloud)
23:35:33     Target Aborted (2/10) Target aborted (2/10, UGC 11058 w/SN2026ewd) due to cloud
23:35:35   Queue Paused Queue paused for Session Suspension
23:35:37 Session Suspending Session suspending
23:36:25   Dome Closed Dome closed (Closing time 50s, Zigbee 43s)
23:36:30 Session Suspended Session suspended
23:51:48     Target Cancelled Target cancelled (2/10, UGC 11058 w/SN2026ewd) due to cloud
00:14:08     Target Cancelled Target cancelled (3/10, AT2026lck) due to cloud
00:26:26     Target Cancelled Target cancelled (4/10, GCVS CY Lyr) due to cloud
00:46:46     Target Cancelled Target cancelled (5/10, AT2026lcz) due to cloud
00:59:04     Target Cancelled Target cancelled (6/10, GCVS BL Lac) due to cloud
01:19:24     Target Cancelled Target cancelled (7/10, IC 5191 w/SN2026myp) due to cloud
01:22:10 Session Resuming Session resuming
01:22:55   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
01:22:58 Session Running Session running
01:23:00   Queue Resumed Observing Queue resumed
01:23:02     Target Started (8/10) Target started (8/10, LEDA 214810 w/SN2026lda)
01:28:11       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-LSI)
01:44:36     Target Completed Target completed (8/10, LEDA 214810 w/SN2026lda)
01:44:48     Target Started (9/10) Target started (9/10, NGC 7293). Using SharpCap
01:49:11       Focusing Skipped Foc1 focusing skipped - unable to find a star (TCF-LSI)
02:23:25   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
02:23:27   HardSuspend Called Hard Suspend called due to Critical Conditions (cloud)
02:24:14       Camera1 Connected SBIG Camera connected (Set point -10°C)
02:24:17     Target Aborted (9/10) Target aborted (9/10, NGC 7293) due to cloud
02:24:19   Queue Paused Queue paused for Session Suspension
02:24:21 Session Suspending Session suspending
02:25:05   Dome Closed Dome closed (Closing time 49s, Zigbee 43s)
02:25:10 Session Suspended Session suspended
02:42:04     Target Cancelled Target cancelled (9/10, NGC 7293) due to cloud
02:50:23 Session Resuming Session resuming
02:51:08   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
02:51:11 Session Running Session running
02:51:14   Queue Resumed Observing Queue resumed
02:51:16     Target Started (10/10) Target started (10/10, 70P/Kojima)
03:06:51     Target Completed Target completed (10/10, 70P/Kojima)
03:06:53   Queue Completed Job Queue completed
03:06:54 Session Closing Session closing
03:07:45   Dome Closed Dome closed (Closing time 50s, Zigbee 43s)
03:08:37   Dome Parked Dome parked (parking time 40s), Az: 90.0 deg
03:09:15   Telescope Parked Telescope parked (parking time 29s total)
03:09:39   Telescope State Handbox reads 'Scope parked Turn scope off.'
03:10:36   Telescope Switched Off Telescope Power has been switched off via UPB Switch.
03:12:02   Services Stopped Night Services stopped
03:12:05 Session Finishing Session Finishing started (Create Fits Summary, Transfer Files)
03:12:22     Dome (Find Park) Find Park started (Search Az 88.0 to 92.0°, Step 0.2°, Narrow)
03:13:05     Dome Find Park found (Best Park Az 89.9°)
03:13:11     Dome Dome has been synced at park position (Az 90.0°, Adjustment: +0.1°)
03:13:13   Dome Parked Dome parked
03:16:15   Dome Charging Dome is parked and well charged (96%, 14.9v)
03:16:17 Session Finished Session Finished
 
Session Alerts & Alarms
Time     Type       Name Detail
03:16:15 Yellow Alert Dome Charging Dome is parked and well charged (96%, 14.9v)
 

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Operational Issues (2026-07-23 S1440)

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Critical Issues

Major Issues

Minor Issues

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This Web Page Notes - Session 1440 (2026-07-23)
Last Updated : 2026-07-29
Site Owner : David Richards
Home Page : David's Astronomy Web Site