ACP console log opened 07-May-2024 10:22:23 UTC
This is ACP version 9.0 (build 4, ACP 9 Production Release)
Licensed to Arne Henden
10:22:23 This is AcquireScheduler V9.0.3
10:22:23 Custom image file path/names are in use
10:22:23   [PreFlip=300 PostFlip=300 AF=180 PU=60]
10:22:23 Hardware GEM pier side reporting is available.
10:22:24 Initializing AcquireSupport V9.0.3
10:22:24 Weather safe, server is Boltwood Cloud Sensor II
10:22:24 Telescope is ACP->TM61, driver V3
10:22:24 Dome is MaxDome
10:22:24 MaxIm DL is version 6.28
10:22:24 Imager is ASCOM
10:22:24 Using focus offsets and star mags from FilterInfo.txt
10:22:24 Selecting filter B from previous ACP run at 20240507@101556 UTC
10:22:24 Imager readout modes:
10:22:24   0 is Fast
10:22:24   1 is Normal
10:22:24 Guider is SX Universal (no rotator)
10:22:24 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels
10:22:24 Max unguided exposure 60 sec.
10:22:24 Guider is set to multi-star mode
10:22:24 (assuring that FocusMax is running now...)
10:22:24 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23
10:22:24 Calculated field of view (arcmin): H = 36.3 V = 24.3
10:22:24 Plate solving with GSC 1.1 (ok for wider fields)
10:22:24 Mount supports tracking rate offsets
10:22:24 ==== Starting target NGC_6864 ====
10:22:24 ACPS Observation NGC_6864(1 of 1)
10:22:24   (belongs to Project AAVSO_Pgc_Welch_AUTO_ver2411, Plan NGC_6864)
10:22:24   (turning on sidereal tracking)
10:22:24 Pointing updates are enabled
10:22:24 Catalog Maximum Mag = 18.0
10:22:24   Start slew to NGC_6864...
10:22:26   (wait for slew to complete)
10:23:31   (slew complete)
10:23:31     [flip check:  Tn=420s HAc=-6465s GW=T HAz=-6045s DWz=T WF=no]
10:23:31   Updating pointing...
10:23:31   Switching from B to SR filter for pointing exposure
10:23:31   Focus change of -320 steps required
10:23:35   (taking 10 sec. exposure, SR filter, binning = 4)
10:23:35   (using Fast readout mode)
10:23:35   (starting exposure)
10:24:01   (exposure complete)
10:24:04   (exposure complete and image downloaded)
10:24:05   Image finished
10:24:05   Plate-solve pointing image.
10:24:06   891 image stars found
10:24:06   285 catalog stars found
10:24:07   Solved! 103 stars matched.
10:24:07   Average residual is 0.34 arcsec.
10:24:07   Pointing error is 0.844 arcmin @ angle 77.54
10:24:07   True focal length is 3466.3 mm.
10:24:07   True binned plate scales (arcsec/pix): H = 0.89 V = 0.89
10:24:07   True image center (J2000): 20h 06m 08.2s   -21° 55' 05.27"
10:24:07   Imager sky position angle is 178.9 deg.
10:24:07   [sync] pointing model updated
10:24:07   Within max error tolerance, no re-slew needed.
10:24:07   Target is now centered.
10:24:07   (high cadence option, no web previews)
10:24:07   (wait for slew to complete)
10:24:09   (slew complete)
10:24:09     [flip check:  Tn=360s HAc=-6428s GW=T HAz=-6068s DWz=T WF=no]
10:24:09   Imaging to NGC_6864_SG_20240507_102409_T3
10:24:09   Switching from SR to SG filter for imaging
10:24:09   Focus change of 50 steps required
10:24:11   (taking 60 sec. exposure, SG filter, binning = 2)
10:24:11   (using Normal readout mode)
10:24:11   (starting exposure)
10:25:18   (exposure complete)
10:25:21   (exposure complete and image downloaded)
10:25:22   Image finished
10:25:22   Plate-solve NGC_6864_SG_20240507_102409_T3 final image.
10:25:25   1932 image stars found
10:25:25   147 catalog stars found
10:25:26   Solved! 58 stars matched.
10:25:26   Average residual is 0.2 arcsec.
10:25:26   Pointing error is 0.850 arcmin @ angle 78.87
10:25:26   True focal length is 3465.6 mm.
10:25:26   True binned plate scales (arcsec/pix): H = 0.45 V = 0.45
10:25:26   True image center (J2000): 20h 06m 08.3s   -21° 55' 06.35"
10:25:26   Imager sky position angle is 178.9 deg.
10:25:26   Image FWHM is 2.8 arcsec (6.26 pixels)
10:25:26   (avg FWHM = 2.49 arcsec)
10:25:26   Within max error tolerance, no re-slew needed.
10:25:26   (high cadence option, no web previews)
10:25:27   (aggregated exposure times, trying to autoguide)
10:25:27   (take guider image at initial interval 5 sec)
10:25:34   Multi-star guiding, MaxIm chose star at X=521.5521 Y=834.9368
10:25:35   (guide star SNR=11.1 X=521 Y=835)
10:25:35   (first exposure estimate 1.35 sec)
10:25:40   (guide star SNR=3.2 X=520 Y=834)
10:25:40   (final exposure for guiding 1.26 sec)
10:25:45   (guide star SNR=2.9 X=518 Y=832)
10:25:57 **Guider waited for 10 sec and never got a measurement
10:25:58   (take guider image at initial interval 1.26 sec)
10:26:02   Multi-star guiding, MaxIm chose star at X=527 Y=579
10:26:03 ** This guide star disappeared or moved > 20 pixels. Can't continue.
10:26:03 **No usable stars in guider image; trying again at max guider exposure
10:26:16   Multi-star guiding, MaxIm chose star at X=520.9168 Y=834.1486
10:26:16   (guide star SNR=21.0 X=521 Y=834)
10:26:17   (first exposure estimate 1.43 sec)
10:26:21   (guide star SNR=3.3 X=522 Y=834)
10:26:21   (final exposure for guiding 1.31 sec)
10:26:26   (guide star SNR=3.1 X=522 Y=835)
10:26:28 **Guider unexpectedly stopped while waiting for measurement
10:26:29   (take guider image at initial interval 1.31 sec)
10:26:34   Multi-star guiding, MaxIm chose star at X=522 Y=835
10:26:34   (guide star SNR=2.9 X=522 Y=836)
10:26:34   (first exposure estimate 1.36 sec)
10:26:39   (guide star SNR=3.3 X=523 Y=834)
10:26:39   (final exposure for guiding 1.25 sec)
10:26:44   (guide star SNR=3.2 X=523 Y=835)
10:26:45 **Guider unexpectedly stopped while waiting for measurement
10:26:46   (take guider image at initial interval 1.25 sec)
10:26:50   Multi-star guiding, MaxIm chose star at X=523 Y=835
10:26:51   (guide star SNR=2.8 X=523 Y=834)
10:26:51   (first exposure estimate 1.35 sec)
10:26:56   (guide star SNR=3.8 X=523 Y=835)
10:26:56   (final exposure for guiding 1.07 sec)
10:27:01   (guide star SNR=2.7 X=524 Y=836)
10:27:03 **Guider unexpectedly stopped while waiting for measurement
10:27:04 **Autoguiding failed.
ACP console log closed 07-May-2024 10:27:04 UTC