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 Notes - Session 1439 (2026-07-12)

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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 (0),  Small Defects (0),  Continuous Improvement (0)
- Figures (0)
   
Bullet Images from 2026-07-12  >>           
   
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Session Aims & Highlights (2026-07-12)

Main aims

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

 Equipment & Software

Highlights

Notes

Summary Plots & Logs

Observing Plan
Image
  
Observing Result
Image
   
Image
 
Dome & Scope Slewing Performance
Image
  
Slew/Centering Performance
Image
  
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)
Image   
  
Actual Weather vs Pre-Session Weather Forecast
Image
Image
 
Session Event Log
Time     Event Detail
22:06:06 Session Monitoring AutoStart monitoring for Live Session opportunity between 23:22 & 02:05
22:06:10   AutoStart Waiting AutoStart waiting till earliest start time at 23:22
23:22:37 Session AutoStarting Session autostarting (23:22)
23:22:43 Session Created Session Created (Live, 2026-07-12 S01439)
23:22:45   CCDSoft Restarting CCDSoft being restarted (to set AutoSave No.)
23:23:07   Scope Switched On Telescope Power has been switched on via UPB Switch
23:24:54   Services Started Observatory Services started
23:25:04 Observatory (Auto) Observatory placed in Fully-Automated Mode
23:25:07 Session Pending Session pending (2026-07-12)
23:25:09 Session Initiating Session initiating (2026-07-12)
23:25:31   Camera1 Connected SBIG Camera connected (Set point -10°C)
23:25:34   Plan Requested Observing Plan requested from AstroPlan (1.47)
23:26:56   Plan Loaded Observing Plan loaded to queue (PlanID: 1240)
23:27:36   Telescope Connected Telescope connected (TheSky6)
23:28:01 Session Equilibration Session ready to Open Dome
23:28:46   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
23:28:48   Equilibration Started Dome Equilibration started
23:28:50   Equilibration Ended Dome Equilibration ended (0.0 mins total)
23:28:52 Session Running Session running
23:28:54   Queue Started Observing Queue started (11 targets selected)
23:28:57     Target Started (NrZen) Target started (Focus Field 18, HIP 88232)
23:29:12       Dome Unparked Dome unparked
23:32:12       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:34:51       Focusing Completed Foc1 AutoFocus Completed (Profile No 1, wide)
23:36:51       Focusing Completed Foc1 AutoFocus Completed (Profile No 1)
23:36:59       Focusing Started-Foc2 Foc2 Focusing Started (Secondary Scope, using ShCap)
23:38:46       Focusing Completed Foc2 AutoFocus Completed (Profile No 2, wide)
23:40:31       Focusing Completed Foc2 AutoFocus Completed (Profile No 2)
23:40:52     Target Completed (NrZen) Target completed (Focus Field 18, HIP 88232)
23:47:36     Target Started (1/11) Target started (1/11, T CrB)
23:52:14       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:54:41       Focusing Completed Foc1 AutoFocus Completed (Profile No 3)
23:59:35     Target Completed Target completed (1/11, T CrB)
23:59:39     Target Started (2/11) Target started (2/11, NGC 6070 w/SN2026ejy)
00:04:24       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
00:20:32     Target Completed Target completed (2/11, NGC 6070 w/SN2026ejy)
00:20:52     Target Started (3/11) Target started (3/11, NGC 5907 w/SN2026kid)
00:25:28       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:28:50       Focusing Completed Foc1 AutoFocus Completed (Profile No 4)
00:45:05     Target Completed Target completed (3/11, NGC 5907 w/SN2026kid)
00:45:09     Target Started (4/11) Target started (4/11, NGC 4205 w/SN2026fvx)
00:48:47       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:52:04       Focusing Completed Foc1 AutoFocus Completed (Profile No 5)
01:08:03     Target Completed Target completed (4/11, NGC 4205 w/SN2026fvx)
01:08:08     Target Started (5/11) Target started (5/11, GCVS BL Lac)
01:12:59       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:15:03       Focusing Completed Foc1 AutoFocus Completed (Profile No 6)
01:18:53     Target Completed Target completed (5/11, GCVS BL Lac)
01:18:57     Target Started (6/11) Target started (6/11, UGC 525 w/SN2025ahxd)
01:39:16     Target Completed Target completed (6/11, UGC 525 w/SN2025ahxd)
01:39:20     Target Started (7/11) Target started (7/11, GCVS CY Lyr)
01:43:48       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:46:01       Focusing Completed Foc1 AutoFocus Completed (Profile No 7)
01:49:50     Target Completed Target completed (7/11, GCVS CY Lyr)
01:49:54     Target Started (8/11) Target started (8/11, AT2026iul (CV))
01:54:10       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:56:25       Focusing Completed Foc1 AutoFocus Completed (Profile No 8)
02:02:42     Target Completed Target completed (8/11, AT2026iul (CV))
02:02:46     Target Started (9/11) Target started (9/11, AT2026juw (CV))
02:06:00       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:08:16       Focusing Completed Foc1 AutoFocus Completed (Profile No 9)
02:14:47     Target Completed Target completed (9/11, AT2026juw (CV))
02:14:51     Target Started (10/11) Target started (10/11, 61 Cyg)
02:17:03       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:19:10       Focusing Completed Foc1 AutoFocus Completed (Profile No 10)
02:21:08     Target Completed Target completed (10/11, 61 Cyg)
02:21:12     Target Started (11/11) Target started (11/11, KIC 8462852)
02:24:45       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:27:10       Focusing Completed Foc1 AutoFocus Completed (Profile No 11)
02:30:57     Target Completed Target completed (11/11, KIC 8462852)
02:30:59   Queue Completed Job Queue completed
02:31:03 Session Closing Session closing
02:31:53   Dome Closed Dome closed (Closing time 49s, Zigbee 43s)
02:32:54   Dome Parked Dome parked (parking time 54s), Az: 90.0 deg
02:33:42   Telescope Parked Telescope parked (parking time 42s total)
02:34:06   Telescope State Handbox reads 'Scope parked Turn scope off.'
02:35:03   Telescope Switched Off Telescope Power has been switched off via UPB Switch.
02:36:25   Services Stopped Night Services stopped
02:36:28 Session Finishing Session Finishing started (Create Fits Summary, Transfer Files)
02:36:50     Dome (Find Park) Find Park started (Search Az 88.0 to 92.0°, Step 0.2°, Narrow)
02:37:33     Dome Find Park found (Best Park Az 90.6°)
02:37:40     Dome Dome has been synced at park position (Az 90.0°, Adjustment: -0.6°)
02:37:42   Dome Parked Dome parked
02:40:43   Dome Charging Dome is parked and well charged (98%, 15.0v)
02:40:45 Session Finished Session Finished
 
Session Alerts & Alarms
Time     Type       Name Detail
02:40:43 Yellow Alert Dome Charging Dome is parked and well charged (98%, 15.0v)
 

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Operational Issues (2026-07-12 S1439)

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Critical Issues

Major Issues

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Fig 1.

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This Web Page Notes - Session 1439 (2026-07-12)
Last Updated : 2026-07-13
Site Owner : David Richards
Home Page : David's Astronomy Web Site