David's Astronomy Pages
Notes - Session 1141 (2023-09-08)

 
Bullet Session Aims & Highlights
 - Observing Result
 - Night Summary Plot
 - Session Event Log
Bullet Operational Issues
  - Critical Issues (0),  Major Issues (0),  Minor Issues (1),  Small Defects (2),  Continuous Improvement (1)
Bullet Images from 2023-09-08 >>         
   

Session Aims & Highlights (2023-09-08)

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
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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
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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
20:33:01 Session Monitoring AutoStart monitoring for Live Session opportunity between 20:46 & 04:16
20:33:02   AutoStart Waiting AutoStart waiting till earliest start time at 20:46
20:46:13   AutoStart Delayed Session delayed due to cloud
21:03:15 Session AutoStarting Session autostarting (21:03)
21:03:44   CCDSoft Restarting CCDSoft being restarted (to set AutoSave No.)
21:03:57 Session Created Session Created (Live, 2023-09-08 S01141, ImageSaveNum: 1141001)
21:04:24   Scope Switched On Telescope Power has been switched on via UPB Powerbox.
21:06:06   Services Started Observatory Services started
21:06:13 Observatory (Auto) Observatory placed in Fully-Automated Mode
21:06:16 Session Pending Session pending (2023-09-08)
21:06:18 Session Initiating Session initiating (2023-09-08)
21:06:20   Plan Requested Observing Plan requested from AstroPlan (1.38.2)
21:07:10   Plan Loaded Observing Plan loaded to queue (Plan ID: 915)
21:07:31   Camera1 Connected SBIG Camera connected (set point -5°C)
21:08:07   Telescope Connected Telescope connected (TheSky6)
21:08:31 Session Equilibration Session ready to Open Dome
21:09:17   Dome Opened Dome opened (opening time 45s)
21:09:22 Session Running Session running
21:09:24   Queue Started Observing Queue started (24 targets selected)
21:09:27     Target Started (NrZen) Target started (Focus Field 19, HIP 93376)
21:09:40       Dome Unparked Dome unparked
21:13:22       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
21:15:48       Focusing Completed Foc1 AutoFocus Completed (Profile No 1, wide)
21:17:47       Focusing Completed Foc1 AutoFocus Completed (Profile No 1)
21:17:49       Focusing Started-Foc2 Foc2 Focusing Started (Secondary Scope, using ShCap)
21:19:50       Focusing Completed Foc2 AutoFocus Completed (Profile No 2, wide)
21:21:34       Focusing Completed Foc2 AutoFocus Completed (Profile No 2)
21:21:51     Target Completed (NrZen) Target completed (Focus Field 19, HIP 93376)
21:22:48     Target Started (1/24) Target started (1/24, UGC 9002 w/SN2023pls)
21:29:23       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-S)
21:45:32     Target Completed Target completed (1/24, UGC 9002 w/SN2023pls)
21:45:36     Target Started (2/24) Target started (2/24, C/2020 R7 (ATLAS))
21:47:19     Dome Slew Dome slew held up at Az. 268.6, 267.5° (Total delay 90s)
21:49:41       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-S)
21:58:06     Target Completed Target completed (2/24, C/2020 R7 (ATLAS))
21:59:20     Target Started (3/24) Target started (3/24, C/2019 T4 (ATLAS))
22:00:39     Dome Slew Dome slew held up at Az. 268.0, 267.7, 260.4° (Total delay 52s)
22:03:01       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:05:27       Focusing Completed Foc1 AutoFocus Completed (Profile No 3)
22:13:38     Target Completed Target completed (3/24, C/2019 T4 (ATLAS))
22:13:52     Target Started (4/24) Target started (4/24, Nova Cas 2021)
22:18:10       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:20:15       Focusing Completed Foc1 AutoFocus Completed (Profile No 4)
22:30:38     Target Completed Target completed (4/24, Nova Cas 2021)
22:30:42     Target Started (5/24) Target started (5/24, UGC 11858 w/SN2023rjj)
22:33:46       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:35:58       Focusing Completed Foc1 AutoFocus Completed (Profile No 5)
22:52:13     Target Completed Target completed (5/24, UGC 11858 w/SN2023rjj)
22:52:17     Target Started (6/24) Target started (6/24, GCVS BL Lac)
22:54:28       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
22:56:27       Focusing Completed Foc1 AutoFocus Completed (Profile No 6)
23:00:20     Target Completed Target completed (6/24, GCVS BL Lac)
23:02:07     Target Started (7/24) Target started (7/24, 61 Cyg)
23:04:54       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:06:53       Focusing Completed Foc1 AutoFocus Completed (Profile No 7)
23:08:29     Target Completed Target completed (7/24, 61 Cyg)
23:09:24     Target Started (8/24) Target started (8/24, AT2023rgi)
23:12:43       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:14:59       Focusing Completed Foc1 AutoFocus Completed (Profile No 8)
23:30:46     Target Completed Target completed (8/24, AT2023rgi)
23:31:24     Target Started (9/24) Target started (9/24, AT2023rfq)
23:34:54       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:37:21       Focusing Completed Foc1 AutoFocus Completed (Profile No 9)
23:53:09     Target Completed Target completed (9/24, AT2023rfq)
23:53:24     Target Started (10/24) Target started (10/24, HIP 87937)
23:56:20       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
23:58:29       Focusing Completed Foc1 AutoFocus Completed (Profile No 10)
00:00:59     Target Completed Target completed (10/24, HIP 87937)
00:01:46     Target Started (11/24) Target started (11/24, CGCG 373-018 w/SN2022osg)
00:04:48       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
00:06:46       Focusing Completed Foc1 AutoFocus Completed (Profile No 11)
00:22:34     Target Completed Target completed (11/24, CGCG 373-018 w/SN2022osg)
00:24:06     Target Started (12/24) Target started (12/24, C/2023 E1 (ATLAS))
00:27:05       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-S)
00:40:34     Target Completed Target completed (12/24, C/2023 E1 (ATLAS))
00:43:41     Target Started (13/24) Target started (13/24, M101 w/SN2023ixf)
00:48:16       Focusing Skipped Foc1 focusing skipped - star is lost (TCF-S)
01:04:22     Target Completed Target completed (13/24, M101 w/SN2023ixf)
01:05:41     Target Started (14/24) Target started (14/24, NGC 2805)
01:10:00       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:12:13       Focusing Completed Foc1 AutoFocus Completed (Profile No 12)
01:28:49     Target Completed Target completed (14/24, NGC 2805)
01:28:53     Target Started (15/24) Target started (15/24, NGC 2326 w/AT2023pgb)
01:32:10       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:34:31       Focusing Completed Foc1 AutoFocus Completed (Profile No 13)
01:50:18     Target Completed Target completed (15/24, NGC 2326 w/AT2023pgb)
01:50:22     Target Started (16/24) Target started (16/24, IC 458 w/SN2023rgp)
01:53:45       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
01:55:58       Focusing Completed Foc1 AutoFocus Completed (Profile No 14)
02:12:49     Target Completed Target completed (16/24, IC 458 w/SN2023rgp)
02:12:53     Target Started (17/24) Target started (17/24, UGC 12308 w/SN2023hlu)
02:18:19       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:20:33       Focusing Completed Foc1 AutoFocus Completed (Profile No 15)
02:37:07     Target Completed Target completed (17/24, UGC 12308 w/SN2023hlu)
02:37:11     Target Started (18/24) Target started (18/24, AT2023otv)
02:39:52       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
02:41:50       Focusing Completed Foc1 AutoFocus Completed (Profile No 16)
02:57:39     Target Completed Target completed (18/24, AT2023otv)
02:57:43     Target Started (19/24) Target started (19/24, AT2023rsr (CV))
03:00:58       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
03:02:53       Focusing Completed Foc1 AutoFocus Completed (Profile No 17)
03:08:52     Target Completed Target completed (19/24, AT2023rsr (CV))
03:08:56     Target Started (20/24) Target started (20/24, NGC 1086 w/AT2023rix)
03:11:15       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
03:13:28       Focusing Completed Foc1 AutoFocus Completed (Profile No 18)
03:29:54     Target Completed Target completed (20/24, NGC 1086 w/AT2023rix)
03:30:41     Target Started (21/24) Target started (21/24, AT2023htu)
03:33:38       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S)
03:35:36       Focusing Completed Foc1 AutoFocus Completed (Profile No 19)
03:37:20   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
03:37:22   HardSuspend Called Hard Suspend is called due to Critical Conditions (cloud)
03:37:25     Target Aborted (21/24) Target aborted (21/24, AT2023htu) due to cloud
03:37:27   Queue Paused Queue paused for Session Suspension
03:37:29 Session Suspending Session suspending
03:38:15   Dome Closed Dome closed (closing time 50s)
03:38:17 Session Suspended Session suspended
03:41:00 Session Resuming Session resuming
03:41:45   Dome Opened Dome opened (opening time 45s)
03:41:48 Session Running Session running
03:41:50   Queue Resumed Observing Queue resumed
03:41:53     Target Started (21/24) Target started (21/24, AT2023htu)
03:49:11   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
03:49:13   HardSuspend Called Hard Suspend is called due to Critical Conditions (cloud)
03:49:16     Target Aborted (21/24) Target aborted (21/24, AT2023htu) due to cloud
03:49:18   Queue Paused Queue paused for Session Suspension
03:49:20 Session Suspending Session suspending
03:50:06   Dome Closed Dome closed (closing time 50s)
03:50:09 Session Suspended Session suspended
03:53:37 Session Resuming Session resuming
03:54:22   Dome Opened Dome opened (opening time 45s)
03:54:25 Session Running Session running
03:54:27   Queue Resumed Observing Queue resumed
03:54:29   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
03:54:31   HardSuspend Called Hard Suspend is called due to Critical Conditions (cloud)
03:54:33     Target Aborted (22/24) Target aborted (22/24, LEDA 1488100 w/SN2023olz) due to cloud
03:54:35   Queue Paused Queue paused for Session Suspension
03:54:37 Session Suspending Session suspending
03:55:17   Dome Closed Dome closed (closing time 50s)
03:55:20 Session Suspended Session suspended
03:58:03 Session Resuming Session resuming
03:58:48   Dome Opened Dome opened (opening time 45s)
03:58:50 Session Running Session running
03:58:52   Queue Resumed Observing Queue resumed
03:58:54   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
03:58:56   HardSuspend Called Hard Suspend is called due to Critical Conditions (cloud)
03:58:58     Target Aborted (22/24) Target aborted (22/24, LEDA 1488100 w/SN2023olz) due to cloud
03:59:00   Queue Paused Queue paused for Session Suspension
03:59:02 Session Suspending Session suspending
03:59:43   Dome Closed Dome closed (closing time 50s)
03:59:45 Session Suspended Session suspended
04:03:58 Session Resuming Session resuming
04:04:43   Dome Opened Dome opened (opening time 45s)
04:04:46 Session Running Session running
04:04:48   Queue Resumed Observing Queue resumed
04:04:50     Target Started (22/24) Target started (22/24, LEDA 1488100 w/SN2023olz)
04:08:24       SoftSuspend Called Soft Suspend is called due to Deteriorating Conditions (reducing clarity)
04:09:09       SoftSuspend Cancelled Soft Suspend is cancelled due to improved conditions
04:09:54   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
04:09:56   HardSuspend Called Hard Suspend is called due to Critical Conditions (cloud)
04:09:59     Target Aborted (22/24) Target aborted (22/24, LEDA 1488100 w/SN2023olz) due to cloud
04:10:01   Queue Paused Queue paused for Session Suspension
04:10:03 Session Suspending Session suspending
04:10:49   Dome Closed Dome closed (closing time 50s)
04:10:52 Session Suspended Session suspended
04:11:57     Target Cancelled Target cancelled (22/24, LEDA 1488100 w/SN2023olz) due to cloud
04:15:05 Session Resuming Session resuming
04:15:50   Dome Opened Dome opened (opening time 45s)
04:15:52 Session Running Session running
04:15:54   Queue Resumed Observing Queue resumed
04:15:55     Target Started (23/24) Target started (23/24, NGC 1461 w/AT2023och)
04:18:50       SoftSuspend Called Soft Suspend is called due to Deteriorating Conditions (reducing clarity)
04:20:14     Target Failed (23/24) Target failed due to cloud (23/24, NGC 1461 w/AT2023och)
04:20:16   Queue Paused Queue paused for Session Suspension
04:20:18 Session Suspending Session suspending
04:20:20   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
04:21:05   Dome Closed Dome closed (closing time 50s)
04:21:08 Session Suspended Session suspended
04:33:57     Target Cancelled Target cancelled (23/24, NGC 1461 w/AT2023och) due to cloud
04:36:22 Session Resuming Session resuming
04:37:07   Dome Opened Dome opened (opening time 45s)
04:37:10 Session Running Session running
04:37:12   Queue Resumed Observing Queue resumed
04:37:14     Target Started (24/24) Target started (24/24, UGC 3174 w/SN2023mut)
04:40:38   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
04:40:40   HardSuspend Called Hard Suspend is called due to Critical Conditions (cloud)
04:40:42     Target Aborted (24/24) Target aborted (24/24, UGC 3174 w/SN2023mut) due to cloud
04:40:44   Queue Paused Queue paused for Session Suspension
04:40:46 Session Suspending Session suspending
04:41:33   Dome Closed Dome closed (closing time 49s)
04:41:35 Session Suspended Session suspended
04:44:03 Session Resuming Session resuming
04:44:48   Dome Opened Dome opened (opening time 45s)
04:44:51 Session Running Session running
04:44:53   Queue Resumed Observing Queue resumed
04:44:55     Target Started (24/24) Target started (24/24, UGC 3174 w/SN2023mut)
04:46:25       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-S)
04:58:30   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
04:58:32   HardSuspend Called Hard Suspend is called due to Critical Conditions (cloud)
04:58:34     Target Aborted (24/24) Target aborted (24/24, UGC 3174 w/SN2023mut) due to cloud
04:58:36   Queue Paused Queue paused for Session Suspension
04:58:38 Session Suspending Session suspending
04:59:25   Dome Closed Dome closed (closing time 50s)
04:59:28 Session Suspended Session suspended
05:01:31 Session Resuming Session resuming
05:02:16   Dome Opened Dome opened (opening time 45s)
05:02:18 Session Running Session running
05:02:20   Queue Resumed Observing Queue resumed
05:02:23     Target Started (24/24) Target started (24/24, UGC 3174 w/SN2023mut)
05:02:46   Critical Cloud Alert Critical Cloud Alert (Obs.Manager will close the Dome)
05:02:48   HardSuspend Called Hard Suspend is called due to Critical Conditions (cloud)
05:02:54     Target Aborted (24/24) Target aborted (24/24, UGC 3174 w/SN2023mut) due to cloud
05:02:56   Queue Paused Queue paused for Session Suspension
05:02:58 Session Suspending Session suspending
05:03:46   Dome Closed Dome closed (closing time 50s)
05:03:48 Session Suspended Session suspended
05:05:51 Session Resuming Session resuming
05:05:57     Target Cancelled Target cancelled (24/24, UGC 3174 w/SN2023mut) due to cloud
05:06:02   Queue Completed Job Queue completed
05:06:06 Session Closing Session closing
05:06:36   Dome Closed Dome closed (closing time 25s)
05:07:25   Dome Parked Dome parked (parking time 42s), Az: 90.0 deg
05:08:36   Telescope Parked Telescope parked (parking time 70s)
05:08:51   Telescope State Handbox reads 'Scope parked Turn scope off.'
05:09:13   Telescope Switched Off Telescope Power has been switched off via UPB Switch.
05:10:39   Services Stopped Night Services stopped
05:10:42 Session Housekeeping Session Housekeeping started (Create Fits Summary, Transfer Files)
05:11:07 Session Finished Session Finished
 
Session Alerts & Alarms
Time     Type       Name Detail
21:47:19 Yellow Alert Dome Slew Dome slew held up at Az. 268.6, 267.5° (Total delay 90s)
22:00:39 Yellow Alert Dome Slew Dome slew held up at Az. 268.0, 267.7, 260.4° (Total delay 52s)
03:41:57 Yellow Alert Dome Discrepency Difference between Dome Az and Telescope Az is > 8 deg (AT2023htu)
05:11:03 Yellow Alert Disk Space Free Space on C:\ Drive (49.50 GB) is less than 50 GB
 

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Operational Issues (2023-09-08, S1141)

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Critical Issues

Major Issues

Minor Issues

Small Defects

Continuous Improvement

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Fig 1.  Section of Night Summary Plot showing period with multiple HardSuspends / SessionSuspensions.

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