David's Astronomy Pages
Notes - Session 1458 (2026-10-02)

 
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 (3),  Continuous Improvement (10)
- Figures (0)
   
Bullet Images from 2026-10-02  >>           
   
Bullet Current/Latest Session >>
   

Session Aims & Highlights (2026-10-02)

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 3.84  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
Image
  
Slew/Centering Performance
Image
  
Guiding Performance
Image
  
Sky Conditions (Locate Frames)
Image
  
Night Sky Summary Plot
Top axis: Sky Brightness at Zenith (in ADU/s)
Lefthand axis: Local Time (hh LT). Righthand axis: Sun Altitude (degs)
Not Available
  
Actual Weather vs Pre-Session Weather Forecast
 Not Available
 
Session Event Log
Time     Event Detail
21:13:55 Session Monitoring AutoStart monitoring for Live Session opportunity between 21:13 & 05:40
21:13:59 Session AutoStarting Session autostarting (21:13)
21:14:06 Session Created Session Created (Live, 2026-10-02 S01458)
21:14:08   CCDSoft Restarting CCDSoft being restarted (to set AutoSave No.)
21:14:34   Scope Switched On Telescope Power has been switched on via UPB Switch
21:16:23   Services Started Observatory Services started
21:16:33 Observatory (Auto) Observatory placed in Fully-Automated Mode
21:16:35 Session Pending Session pending (2026-10-02)
21:16:37 Session Initiating Session initiating (2026-10-02)
21:16:58   Camera1 Connected SBIG Camera connected (Set point -10°C)
21:17:02   Plan Requested Observing Plan requested from AstroPlan (1.47.3)
21:17:38   Plan Loaded Observing Plan loaded to queue (PlanID: 1259)
21:17:54   Telescope Connected Telescope connected (TheSky6)
21:18:18 Session Equilibration Session ready to Open Dome
21:19:04   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
21:19:06 Session Running Session running
21:19:08   Queue Started Observing Queue started (31 targets selected)
21:19:13     Target Started (NrZen) Target started (Focus Field 21, HIP 103850)
21:19:27       Dome Unparked Dome unparked
21:23:45       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
21:26:02       Focusing Completed Foc1 AutoFocus Completed (Profile No 1, wide)
21:28:05       Focusing Completed Foc1 AutoFocus Completed (Profile No 1)
21:28:14       Focusing Started-Foc2 Foc2 Focusing Started (Secondary Scope, using ShCap)
21:30:13       Focusing Completed Foc2 AutoFocus Completed (Profile No 2, wide)
21:31:52       Focusing Completed Foc2 AutoFocus Completed (Profile No 2)
21:32:12     Target Completed (NrZen) Target completed (Focus Field 21, HIP 103850)
21:33:30     Target Started (1/31) Target started (1/31, T CrB)
21:37:21       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
21:39:31       Focusing Completed Foc1 AutoFocus Completed (Profile No 3)
21:43:40     Target Completed Target completed (1/31, T CrB)
21:44:26     Target Started (2/31) Target started (2/31, GCVS CY Lyr)
21:48:30       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
21:51:00       Focusing Completed Foc1 AutoFocus Completed (Profile No 4)
21:54:46     Target Completed Target completed (2/31, GCVS CY Lyr)
21:54:51     Target Started (3/31) Target started (3/31, HIP 87937)
21:57:18       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
21:59:26       Focusing Completed Foc1 AutoFocus Completed (Profile No 5)
22:02:36     Target Completed Target completed (3/31, HIP 87937)
22:03:06     Target Started (4/31) Target started (4/31, AT 2026stb (Nova))
22:06:58       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
22:18:03     Target Completed Target completed (4/31, AT 2026stb (Nova))
22:20:26     Target Started (5/31) Target started (5/31, Nova Aql 2026 (Nova))
22:24:08       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
22:30:16     Target Completed Target completed (5/31, Nova Aql 2026 (Nova))
22:32:46     Target Started (6/31) Target started (6/31, AT2026juw (CV))
22:35:55       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:38:13       Focusing Completed Foc1 AutoFocus Completed (Profile No 6)
22:44:12     Target Completed Target completed (6/31, AT2026juw (CV))
22:44:46     Target Started (7/31) Target started (7/31, GCVS AM Her)
22:48:11       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:50:24       Focusing Completed Foc1 AutoFocus Completed (Profile No 7)
22:55:16     Target Completed Target completed (7/31, GCVS AM Her)
22:56:27     Target Started (8/31) Target started (8/31, GCVS CI Cyg)
22:59:31       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:01:40       Focusing Completed Foc1 AutoFocus Completed (Profile No 8)
23:04:47     Target Completed Target completed (8/31, GCVS CI Cyg)
23:06:50     Target Started (9/31) Target started (9/31, GCVS SS Cyg)
23:10:15       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:12:24       Focusing Completed Foc1 AutoFocus Completed (Profile No 9)
23:15:32     Target Completed Target completed (9/31, GCVS SS Cyg)
23:17:13     Target Started (10/31) Target started (10/31, GCVS EV Lac)
23:20:28       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:22:38       Focusing Completed Foc1 AutoFocus Completed (Profile No 10)
23:25:18     Target Completed Target completed (10/31, GCVS EV Lac)
23:26:16     Target Started (11/31) Target started (11/31, UGC 279 w/SN2026zyf)
23:29:09       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:31:25       Focusing Completed Foc1 AutoFocus Completed (Profile No 11)
23:48:13     Target Completed Target completed (11/31, UGC 279 w/SN2026zyf)
23:48:36     Target Started (12/31) Target started (12/31, UGC 1186 w/AT2026nfo)
23:51:48       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:54:02       Focusing Completed Foc1 AutoFocus Completed (Profile No 12)
00:11:04     Target Completed Target completed (12/31, UGC 1186 w/AT2026nfo)
00:11:08     Target Started (13/31) Target started (13/31, NGC 7292 w/SN2026fov)
00:14:53       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:17:14       Focusing Completed Foc1 AutoFocus Completed (Profile No 13)
00:33:28     Target Completed Target completed (13/31, NGC 7292 w/SN2026fov)
00:33:32     Target Started (14/31) Target started (14/31, M31 w/AT2026uti)
00:36:41       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:39:12       Focusing Completed Foc1 AutoFocus Completed (Profile No 14)
00:55:26     Target Completed Target completed (14/31, M31 w/AT2026uti)
00:55:30     Target Started (15/31) Target started (15/31, NGC 7771)
00:58:50       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:01:17       Focusing Completed Foc1 AutoFocus Completed (Profile No 15)
01:17:16     Target Completed Target completed (15/31, NGC 7771)
01:17:20     Target Started (16/31) Target started (16/31, WDS GRB 34)
01:23:51       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:25:58       Focusing Completed Foc1 AutoFocus Completed (Profile No 16)
01:27:59     Target Completed Target completed (16/31, WDS GRB 34)
01:28:03     Target Started (17/31) Target started (17/31, GCVS U And)
01:31:23       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:33:23       Focusing Completed Foc1 AutoFocus Completed (Profile No 17)
01:42:17     Target Completed Target completed (17/31, GCVS U And)
01:42:21     Target Started (18/31) Target started (18/31, GCVS DY Per)
01:45:47       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:47:46       Focusing Completed Foc1 AutoFocus Completed (Profile No 18)
01:52:02     Target Completed Target completed (18/31, GCVS DY Per)
01:52:54     Target Started (19/31) Target started (19/31, GCVS BL Lac)
01:56:50       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:58:49       Focusing Completed Foc1 AutoFocus Completed (Profile No 19)
02:02:36     Target Completed Target completed (19/31, GCVS BL Lac)
02:03:12     Target Started (20/31) Target started (20/31, UGC 242 w/SN2026yum)
02:06:35       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:08:39       Focusing Completed Foc1 AutoFocus Completed (Profile No 20)
02:24:38     Target Completed Target completed (20/31, UGC 242 w/SN2026yum)
02:25:32     Target Started (21/31) Target started (21/31, 88P/Howell)
02:29:05       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:31:04       Focusing Completed Foc1 AutoFocus Completed (Profile No 21)
02:41:46     Target Completed Target completed (21/31, 88P/Howell)
02:42:17     Target Started (22/31) Target started (22/31, GCVS ER UMa)
02:45:58       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-LSI)
02:49:53     Target Completed Target completed (22/31, GCVS ER UMa)
02:52:34     Target Started (23/31) Target started (23/31, NGC 3310 w/SN2026sqf)
02:55:55       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:58:27       Focusing Completed Foc1 AutoFocus Completed (Profile No 22)
03:00:15   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
03:00:17   HardSuspend Called Hard Suspend called due to Critical Conditions (cloud)
03:00:19     Target Aborted (23/31) Target aborted (23/31, NGC 3310 w/SN2026sqf) due to cloud
03:00:21   Queue Paused Queue paused for Session Suspension
03:00:23 Session Suspending Session suspending
03:01:10   Dome Closed Dome closed (Closing time 49s, Zigbee 43s)
03:01:13 Session Suspended Session suspended
03:11:50     Target Cancelled Target cancelled (23/31, NGC 3310 w/SN2026sqf) due to cloud
03:17:17 Session Resuming Session resuming
03:18:02   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
03:18:04 Session Running Session running
03:18:06   Queue Resumed Observing Queue resumed
03:18:08     Target Started (24/31) Target started (24/31, IC 167)
03:22:14       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
03:24:33       Focusing Completed Foc1 AutoFocus Completed (Profile No 23)
03:39:49   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
03:39:51   HardSuspend Called Hard Suspend called due to Critical Conditions (cloud)
03:39:52     Target Aborted (24/31) Target aborted (24/31, IC 167) due to cloud
03:39:54   Queue Paused Queue paused for Session Suspension
03:39:56 Session Suspending Session suspending
03:40:44   Dome Closed Dome closed (Closing time 50s, Zigbee 43s)
03:40:47 Session Suspended Session suspended
04:02:22     Target Cancelled Target cancelled (25/31, CGCG 415-003 w/SN2026stl) due to cloud
04:21:06     Target Cancelled Target cancelled (26/31, 220P/McNaught) due to cloud
04:35:38     Target Cancelled Target cancelled (27/31, C/2022 N2 (PANSTARRS)) due to cloud
04:50:06 Session Resuming Session resuming
04:50:51   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
04:50:53 Session Running Session running
04:50:55   Queue Resumed Observing Queue resumed
04:50:58     Target Started (28/31) Target started (28/31, NGC 2998 w/SN2026acpp)
05:01:38     Target Completed Target partially completed (28/31, NGC 2998 w/SN2026acpp)
05:01:42     Target Started (29/31) Target started (29/31, GCVS RZ LMi)
05:05:58       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
05:08:17       Focusing Completed Foc1 AutoFocus Completed (Profile No 24)
05:13:44     Target Completed Target completed (29/31, GCVS RZ LMi)
05:13:48     Target Started (30/31) Target started (30/31, NGC 3437 w/SN2026kie)
05:35:23     Target Completed Target completed (30/31, NGC 3437 w/SN2026kie)
05:35:27     Target Started (31/31) Target started (31/31, NGC 3689 w/SN2026gwx)
05:39:56       Focusing Skipped Foc1 focusing skipped - unable to find a star (TCF-LSI)
05:56:10     Target Completed Target completed (31/31, NGC 3689 w/SN2026gwx)
05:56:12   Queue Completed Job Queue completed
05:56:14 Session Closing Session closing
05:57:02   Dome Closed Dome closed (Closing time 49s, Zigbee 44s)
05:57:19   Dome Parked Dome parked (parking time 10s), Az: 90.0 deg
05:58:08   Telescope Parked Telescope parked (parking time 45s total)
05:58:31   Telescope State Handbox reads 'Scope parked Turn scope off.'
05:59:28   Telescope Switched Off Telescope Power has been switched off via UPB Switch.
06:00:24   Services Stopped Night Services stopped
06:00:27 Session Finishing Session Finishing started (Create Fits Summary, Transfer Files)
06:01:09     Dome (Find Park) Find Park started (Search Az 88.0 to 92.0°, Step 0.2°, Narrow)
06:01:55     Dome Find Park found (Best Park Az 90.4°)
06:02:01     Dome Dome has been synced at park position (Az 90.0°, Adjustment: -0.4°)
06:02:03   Dome Parked Dome parked
06:05:02   Dome Charging Dome is parked and well charged (95%, 14.9v)
06:05:04 Session Finished Session Finished
 
Session Alerts & Alarms
Time     Type       Name Detail
06:05:02 Yellow Alert Dome Charging Dome is parked and well charged (95%, 14.9v)
07:02:11 Green Clear Dome Charging Dome is parked and re-charging Ok (14mA)
 

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Operational Issues (2026-10-02 S1458)

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Critical Issues

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Fig 1.

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