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 Notes - Session 1296 (2025-01-17)

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Session Aims & Highlights (2025-01-17)

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
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)
Image   
  
Actual Weather vs Pre-Session Weather Forecast
Image
Image
  
Session Event Log
Time     Event Detail
20:13:50 Session Monitoring AutoStart monitoring for Live Session opportunity between 20:13 & 06:17
20:13:54 Session AutoStarting Session autostarting (20:13)
20:14:16   CCDSoft Restarting CCDSoft being restarted (to set AutoSave No.)
20:14:43   Camera1 Connected SBIG Camera connected (Set point -20°C)
20:14:46 Session Created Session Created (Live, 2025-01-17 S01296, ImageSaveNum: 1296001)
20:14:51   Scope Switched On Telescope Power has been switched on via UPB Powerbox.
20:16:37   Services Started Observatory Services started
20:16:45 Observatory (Auto) Observatory placed in Fully-Automated Mode
20:16:48 Session Pending Session pending (2025-01-17)
20:16:50 Session Initiating Session initiating (2025-01-17)
20:17:00   Camera1 Connected SBIG Camera connected (Set point -15°C)
20:17:06   Plan Requested Observing Plan requested from AstroPlan (1.42.5)
20:18:03   Plan Loaded Observing Plan loaded to queue (Plan ID: 1079)
20:18:43   Telescope Connected Telescope connected (TheSky6)
20:19:14 Session Equilibration Session ready to Open Dome
20:19:59   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
20:20:09 Session Running Session running
20:20:12   Queue Started Observing Queue started (35 targets selected)
20:20:15     Target Started (NrZen) Target started (Focus Field 4, HIP 18637)
20:20:32       Dome Unparked Dome unparked
20:23:30   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
20:23:32   HardSuspend Called Hard Suspend called due to Critical Conditions (cloud)
20:23:33   Queue Paused Observing Queue pausing for Session Suspension
20:23:35 Session Suspending Session suspending
20:24:20   Dome Closed Dome closed (Closing time 45s, Zigbee 42s)
20:24:24 Session Suspended Session suspended
20:52:50     Target Cancelled Target cancelled (1/35, AT2025la) due to cloud
21:05:08     Target Cancelled Target cancelled (2/35, GCVS BL Lac) due to cloud
21:25:08     Target Cancelled Target cancelled (3/35, AT2023vqz) due to cloud
21:36:14     Target Cancelled Target cancelled (4/35, Capella) due to cloud
21:46:17     Target Cancelled Target cancelled (5/35, GCVS NV Ori) due to cloud
21:55:38     Target Cancelled Target cancelled (6/35, GCVS FU Ori) due to cloud
22:07:07     Target Cancelled Target cancelled (7/35, AT2024aelh (CV)) due to cloud
22:27:08     Target Cancelled Target cancelled (8/35, GCVS GW Ori) due to cloud
22:38:02 Session Resuming Session resuming
22:38:47     Target Started (NrZen) Target started (Focus Field 6, HIP 28634)
22:38:49   Dome Opened Dome opened (Opening time 45s, Zigbee 40s)
22:38:51 Session Running Session running
22:38:53   Queue Resumed Observing Queue resumed
22:41:17       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:44:55       Focusing Completed Foc1 AutoFocus Completed (Profile No 1, wide)
22:47:48       Focusing Completed Foc1 AutoFocus Completed (Profile No 1)
22:47:52       Focusing Started-Foc2 Foc2 Focusing Started (Secondary Scope, using ShCap)
22:49:59       Focusing Completed Foc2 AutoFocus Completed (Profile No 2, wide)
22:51:42       Focusing Completed Foc2 AutoFocus Completed (Profile No 2)
22:52:00     Target Completed (NrZen) Target completed (Focus Field 6, HIP 28634)
22:52:02     Target Missed (9/35) Target's time slot was missed (9/35, GCVS CN Ori)
22:52:04     Target Started (10/35) Target started (10/35, CGCG 116-017 w/SN2024aegm)
22:56:07       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-S)
23:05:40       SoftSuspend Called Soft Suspend called due to Deteriorating Conditions (too few stars)
23:06:16     Target Completed Target partially completed (10/35, CGCG 116-017 w/SN2024aegm)
23:06:18   Queue Paused Queue paused for Session Suspension
23:06:20 Session Suspending Session suspending
23:07:05   Dome Closed Dome closed (Closing time 45s, Zigbee 42s)
23:07:08 Session Suspended Session suspended
23:12:37     Target Cancelled Target cancelled (11/35, GCVS U Gem) due to cloud
23:22:14     Target Cancelled Target cancelled (12/35, GCVS SY Cnc) due to cloud
23:31:47 Session Resuming Session resuming
23:32:34   Dome Opened Dome opened (Opening time 47s, Zigbee 40s)
23:32:37 Session Running Session running
23:32:39   Queue Resumed Observing Queue resumed
23:32:41     Target Started (13/35) Target started (13/35, 29P/Schwassmann-Wachmann)
23:47:55     Target Completed Target partially completed (13/35, 29P/Schwassmann-Wachmann)
23:48:00     Target Started (14/35) Target started (14/35, GCVS RR Leo)
23:51:57       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:54:31       Focusing Completed Foc1 AutoFocus Completed (Profile No 3)
00:01:30     Target Completed Target completed (14/35, GCVS RR Leo)
00:01:34     Target Started (15/35) Target started (15/35, NGC 3206 w/SN2024bch)
00:21:51     Target Completed Target completed (15/35, NGC 3206 w/SN2024bch)
00:21:55     Target Started (16/35) Target started (16/35, UGC 8239 w/SN2025N)
00:43:02     Target Completed Target completed (16/35, UGC 8239 w/SN2025N)
00:43:06     Target Started (17/35) Target started (17/35, AT2024ggh (CV))
00:48:19       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:51:02       Focusing Completed Foc1 AutoFocus Completed (Profile No 4)
00:57:51     Target Completed Target completed (17/35, AT2024ggh (CV))
00:57:55     Target Started (18/35) Target started (18/35, AT2023geo)
01:17:16     Target Completed Target completed (18/35, AT2023geo)
01:17:20     Target Started (19/35) Target started (19/35, IC 4460 w/AT2024elu)
01:21:37       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-S)
01:38:01     Target Completed Target completed (19/35, IC 4460 w/AT2024elu)
01:38:06     Target Started (20/35) Target started (20/35, CGCG 221-014 w/SN2023cyo)
01:42:09       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:45:25       Focusing Completed Foc1 AutoFocus Completed (Profile No 5)
02:01:58     Target Completed Target completed (20/35, CGCG 221-014 w/SN2023cyo)
02:02:04     Target Started (21/35) Target started (21/35, UGC 9719 w/SN2024ida)
02:23:49     Target Completed Target completed (21/35, UGC 9719 w/SN2024ida)
02:23:53     Target Started (22/35) Target started (22/35, NGC 5630 w/SN2023zdx)
02:27:53       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:30:35       Focusing Completed Foc1 AutoFocus Completed (Profile No 6)
02:47:11     Target Completed Target completed (22/35, NGC 5630 w/SN2023zdx)
02:47:15     Target Started (23/35) Target started (23/35, IC 4479 w/SN2024afpi)
03:07:33     Target Completed Target completed (23/35, IC 4479 w/SN2024afpi)
03:07:37     Target Started (24/35) Target started (24/35, AT2022abdo)
03:30:32     Target Completed Target completed (24/35, AT2022abdo)
03:30:37     Target Started (25/35) Target started (25/35, IC 4516 w/AT2024fpd)
03:34:44       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-S)
03:51:29     Target Completed Target completed (25/35, IC 4516 w/AT2024fpd)
03:51:33     Target Started (26/35) Target started (26/35, AT2023akq)
04:14:53     Target Completed Target completed (26/35, AT2023akq)
04:14:57     Target Started (27/35) Target started (27/35, T CrB)
04:18:26       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
04:21:17       Focusing Completed Foc1 AutoFocus Completed (Profile No 7)
04:26:19     Target Completed Target completed (27/35, T CrB)
04:26:25     Target Started (28/35) Target started (28/35, LEDA 1515763 w/SN2024jgk)
04:47:19     Target Completed Target completed (28/35, LEDA 1515763 w/SN2024jgk)
04:47:23     Target Started (29/35) Target started (29/35, AT2024accj)
04:52:17       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
04:55:14       Focusing Completed Foc1 AutoFocus Completed (Profile No 8)
05:11:31     Target Completed Target completed (29/35, AT2024accj)
05:11:38     Target Started (30/35) Target started (30/35, IC 1231 w/SN2024aeds)
05:32:01     Target Completed Target completed (30/35, IC 1231 w/SN2024aeds)
05:32:05     Target Started (31/35) Target started (31/35, SN 2022wmw)
05:53:12     Target Completed Target completed (31/35, SN 2022wmw)
05:53:16     Target Started (32/35) Target started (32/35, AT2025md (CV))
05:56:48       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
05:59:57       Focusing Completed Foc1 AutoFocus Completed (Profile No 9)
06:07:04     Target Completed Target completed (32/35, AT2025md (CV))
06:07:08     Target Started (33/35) Target started (33/35, SN 2024xvg)
06:09:51       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
06:13:10       Focusing Completed Foc1 AutoFocus Completed (Profile No 10)
06:29:37     Target Completed Target completed (33/35, SN 2024xvg)
06:29:41     Target Started (34/35) Target started (34/35, AT2025lc (CV))
06:40:05     Target Completed Target completed (34/35, AT2025lc (CV))
06:40:12     Target Started (35/35) Target started (35/35, AT2025oj (CV))
06:44:48       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
06:47:35       Focusing Completed Foc1 AutoFocus Completed (Profile No 11)
06:53:39     Target Completed Target completed (35/35, AT2025oj (CV))
06:53:41   Queue Completed Job Queue completed
06:53:44 Session Closing Session closing
06:54:37   Dome Closed Dome closed (Closing time 50s, Zigbee 43s)
06:55:00   Dome Parked Dome parked (parking time 12s), Az: 90.0 deg
06:55:58   Telescope Parked Telescope parked (parking time 49s total)
06:56:22   Telescope State Handbox reads 'Scope parked Turn scope off.'
06:56:44   Telescope Switched Off Telescope Power has been switched off via UPB Switch.
06:58:09   Services Stopped Night Services stopped
06:58:12 Session Finishing Session Finishing started (Create Fits Summary, Transfer Files)
06:58:49     Dome (Find Park) Find Park started (Search Az 88.0 to 92.0°, Step 0.2°, Narrow)
06:59:38     Dome Find Park found (Best Park Az 90.0°)
07:01:52   Dome Charging Dome is parked and re-charging Ok (25mA)
07:01:54 Session Finished Session Finished
 
Session Alerts & Alarms
Time     Type       Name Detail
07:01:52 Green Clear Dome Charging Dome is parked and re-charging Ok (25mA)
 

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Operational Issues (2025-01-17 S1296)

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Critical Issues

Major Issues

Minor Issues

Small Defects

Continuous Improvement

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Fig 1.   Scope Slewing Path from S1296 session.
 The chart show slew paths that are obviously composed of straight line sections rather than being rough curves.
The final long slew back to the PrePark location is a notable example.

Image

ScopePath listing for slew to PrePark location
06:55:15.20 | PrePark ScopePath | Time:  0.0, Slewing: 1, Slew:   0.000, Az:  70.80, Alt: 22.19, Angle: 0.000
06:55:15.83 | PrePark ScopePath | Time:  0.6, Slewing: 1 (Fast Polling)
06:55:17.61 | PrePark ScopePath | Time:  0.8, Slewing: 1, Slew:  14.136, Az:  85.77, Alt: 20.01, Angle: 14.136
06:55:23.31 | PrePark ScopePath | Time:  3.7, Slewing: 1, Slew:  35.300, Az: 107.37, Alt: 15.08, Angle: 21.164
06:55:26.06 | PrePark ScopePath | Time:  9.2, Slewing: 1, Slew:  72.461, Az: 142.55, Alt:  1.63, Angle: 37.162
06:55:27.80 | PrePark ScopePath | Time: 11.7, Slewing: 1, Slew:  86.857, Az: 156.95, Alt:  2.18, Angle: 14.396
06:55:29.45 | PrePark ScopePath | Time: 13.4, Slewing: 1, Slew:  91.000, Az: 161.02, Alt:  2.95, Angle:  4.143
06:55:31.08 | PrePark ScopePath | Time: 15.0, Slewing: 1, Slew:  99.759, Az: 169.67, Alt:  4.45, Angle:  8.760
06:55:32.63 | PrePark ScopePath | Time: 16.6, Slewing: 1, Slew: 104.603, Az: 174.48, Alt:  5.12, Angle:  4.844
06:55:34.95 | PrePark ScopePath | Time: 18.3, Slewing: 1, Slew: 110.250, Az: 180.15, Alt:  5.15, Angle:  5.646
06:55:37.50 | PrePark ScopePath | Time: 20.7, Slewing: 1, Slew: 110.683, Az: 180.59, Alt:  5.15, Angle:  0.433
06:55:43.63 | PrePark ScopePath | Time: 23.4, Slewing: 1, Slew: 110.838, Az: 180.43, Alt:  5.15, Angle:  0.155
06:55:45.52 | PrePark ScopePath | Time: 29.0, Slewing: 1, Slew: 110.884, Az: 180.55, Alt:  5.16, Angle:  0.046
06:55:46.06 | PrePark ScopePath | Time: 30.5, Slewing: 1, Slew: 110.899, Az: 180.57, Alt:  5.16, Angle:  0.015
06:55:46.70 | PrePark ScopePath | Time: 31.4, Slewing: 1, Slew: 110.899, Az: 180.57, Alt:  5.16, Angle:  0.000
06:55:48.96 | PrePark ScopePath | Time: 33.1, Slewing: 0, Slew: 110.901, Az: 180.57, Alt:  5.15, Angle:  0.001

Get Azimuth requests during period of slew
06:55:15.177 Azimuth Get 72.07
06:55:16.650 Azimuth Get 85.76
06:55:17.235 Azimuth Get 85.7
06:55:17.923 Azimuth Get 92.87
06:55:18.036 Azimuth Get 92.87   (no change)
06:55:18.632 Azimuth Get 100.17
06:55:18.920 Azimuth Get 100.17  (no change)
06:55:19.479 Azimuth Get 107.37
06:55:23.017 Azimuth Get 128.19
06:55:23.561 Azimuth Get 134.73
06:55:23.849 Azimuth Get 134.73  (no change)
06:55:24.217 Azimuth Get 136.635
06:55:24.601 Azimuth Get 136.635 (no change)
06:55:25.016 Azimuth Get 142.55
06:55:27.032 Azimuth Get 151.72
06:55:27.448 Azimuth Get 156.94
06:55:27.672 Azimuth Get 156.94  (no change)
06:55:28.489 Azimuth Get 161.04
06:55:28.680 Azimuth Get 161.04  (no change)
06:55:29.208 Azimuth Get 161.02
06:55:30.168 Azimuth Get 165.31
06:55:30.344 Azimuth Get 165.31
06:55:30.856 Azimuth Get 169.66
06:55:31.928 Azimuth Get 174.48
06:55:32.680 Azimuth Get 177.88
06:55:33.416 Azimuth Get 177.88  (no change)
06:55:33.464 Azimuth Get 177.88  (no change)
06:55:34.056 Azimuth Get 180.15
06:55:34.280 Azimuth Get 180.15  (no change)
06:55:36.449 Azimuth Get 180.58
06:55:36.684 Azimuth Get 180.58  (no change)
06:55:37.766 Azimuth Get 180.50
06:55:37.820 Azimuth Get 180.50  (no change)
06:55:39.991 Azimuth Get 180.43
06:55:40.247 Azimuth Get 180.43  (no change)
06:55:40.344 Azimuth Get 180.43  (no change)
06:55:42.630 Azimuth Get 180.51
06:55:43.352 Azimuth Get 180.51  (no change)
06:55:43.990 Azimuth Get 180.54
06:55:44.119 Azimuth Get 180.54  (no change)
06:55:44.295 Azimuth Get 180.54  (no change)
06:55:44.327 Azimuth Get 180.54  (no change)
06:55:44.951 Azimuth Get 180.56
06:55:45.654 Azimuth Get 180.56  (no change)
06:55:45.863 Azimuth Get 180.56  (no change)
06:55:45.927 Azimuth Get 180.56  (no change)
06:55:46.631 Azimuth Get 180.56  (no change)
06:55:48.214 Azimuth Get 180.56  (no change)
06:55:48.423 Azimuth Get 180.56  (no change)

 

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This Web Page: Notes - Session 1296 (2025-01-17)
Last Updated : 2025-01-20
Site Owner : David Richards
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