ACP console log opened 21-Feb-2024 02:21:51 UTC
This is ACP version 9.0 (build 4, ACP 9 Production Release)
Licensed to Arne Henden
02:21:51 This is AcquireScheduler V9.0.3
02:21:51 Custom image file path/names are in use
02:21:51   [PreFlip=300 PostFlip=300 AF=180 PU=60]
02:21:51 Hardware GEM pier side reporting is available.
02:21:52 Initializing AcquireSupport V9.0.3
02:21:52 Weather safe, server is Boltwood Cloud Sensor II
02:21:52 Telescope is ACP->TM61, driver V3
02:21:52 Dome is MaxDome
02:21:52 MaxIm DL is version 6.28
02:21:52 Imager is ASCOM
02:21:52 Using focus offsets and star mags from FilterInfo.txt
02:21:52 Selecting filter V from previous ACP run at 20240221@022118 UTC
02:21:52 Imager readout modes:
02:21:52   0 is Fast
02:21:52   1 is Normal
02:21:52 Guider is SX Universal (no rotator)
02:21:52 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels
02:21:52 Max unguided exposure 60 sec.
02:21:52 Guider is set to multi-star mode
02:21:52 (assuring that FocusMax is running now...)
02:21:52 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23
02:21:52 Calculated field of view (arcmin): H = 36.3 V = 24.3
02:21:52 Plate solving with GSC 1.1 (ok for wider fields)
02:21:52 Mount supports tracking rate offsets
02:21:52 ==== Starting target NGC_1904 ====
02:21:52 ACPS Observation NGC_1904(1 of 1)
02:21:52   (belongs to Project AAVSO_Pgc_Welch_AUTO_ver2411, Plan NGC_1904)
02:21:52   (turning on sidereal tracking)
02:21:52 Pointing updates are enabled
02:21:52 Catalog Maximum Mag = 18.0
02:21:52   Start slew to NGC_1904...
02:21:54   (wait for slew to complete)
02:23:04   (slew complete)
02:23:04     [flip check:  Tn=420s HAc=-411s GW=T HAz=9s DWz=T WF=no]
02:23:04   Updating pointing...
02:23:04   Switching from V to SR filter for pointing exposure
02:23:04   Focus change of -290 steps required
02:23:08   (taking 10 sec. exposure, SR filter, binning = 4)
02:23:08   (using Fast readout mode)
02:23:08   (starting exposure)
02:23:32   (exposure complete)
02:23:34   (exposure complete and image downloaded)
02:23:35   Image finished
02:23:35   Plate-solve pointing image.
02:23:36   744 image stars found
02:23:36   299 catalog stars found
02:23:38   Solved! 139 stars matched.
02:23:38   Average residual is 0.31 arcsec.
02:23:38   Pointing error is 3.969 arcmin @ angle 275.56
02:23:38   True focal length is 3466.5 mm.
02:23:38   True binned plate scales (arcsec/pix): H = 0.89 V = 0.89
02:23:38   True image center (J2000): 05h 23m 53.7s   -24° 31' 05.86"
02:23:38   Imager sky position angle is 178.7 deg.
02:23:38   [sync] pointing model updated
02:23:38   Re-slew to target.
02:23:38   Start slew to NGC_1904...
02:23:39   (wait for slew to complete)
02:23:49   (slew complete)
02:23:49   Target is now centered.
02:23:49   (high cadence option, no web previews)
02:23:49     [flip check:  Tn=360s HAc=-380s GW=T HAz=-5s DWz=T WF=no]
02:23:49   Imaging to NGC_1904_SG_20240221_022349_T3
02:23:49   Switching from SR to SG filter for imaging
02:23:49   Focus change of 50 steps required
02:23:52   (taking 60 sec. exposure, SG filter, binning = 2)
02:23:52   (using Normal readout mode)
02:23:52   (starting exposure)
02:25:00   (exposure complete)
02:25:02   (exposure complete and image downloaded)
02:25:04   Image finished
02:25:04   Plate-solve NGC_1904_SG_20240221_022349_T3 final image.
02:25:06   1905 image stars found
02:25:07   165 catalog stars found
02:25:08   Solved! 47 stars matched.
02:25:08   Average residual is 0.16 arcsec.
02:25:08   Pointing error is 0.487 arcmin @ angle 89.20
02:25:08   True focal length is 3467.4 mm.
02:25:08   True binned plate scales (arcsec/pix): H = 0.45 V = 0.45
02:25:08   True image center (J2000): 05h 24m 13.2s   -24° 31' 28.59"
02:25:08   Imager sky position angle is 178.7 deg.
02:25:08   Image FWHM is 2.0 arcsec (4.53 pixels)
02:25:08   (avg FWHM = 2.46 arcsec)
02:25:08   Within max error tolerance, no re-slew needed.
02:25:08   (high cadence option, no web previews)
02:25:08   (aggregated exposure times, trying to autoguide)
02:25:08   (take guider image at initial interval 5 sec)
02:25:16   Multi-star guiding, MaxIm chose star at X=1211.151 Y=685.4283
02:25:16   (guide star SNR=7.3 X=1211 Y=685)
02:25:16   (first exposure estimate 2.04 sec)
02:25:22   (guide star SNR=3.8 X=1207 Y=683)
02:25:22   (final exposure for guiding 1.63 sec)
02:25:27   (guide star SNR=2.7 X=1201 Y=677)
02:25:39 **Guider waited for 10 sec and never got a measurement
02:25:41   (take guider image at initial interval 1.63 sec)
02:25:45   Multi-star guiding, MaxIm chose star at X=0 Y=0
02:25:45 ** This guide star disappeared or moved > 20 pixels. Can't continue.
02:25:46 **No usable stars in guider image; trying again at max guider exposure
02:25:58   Multi-star guiding, MaxIm chose star at X=1192.273 Y=669.9371
02:25:59   (guide star SNR=12.5 X=1193 Y=670)
02:25:59   (first exposure estimate 2.41 sec)
02:26:05   (guide star SNR=3.9 X=1189 Y=669)
02:26:05   (final exposure for guiding 1.84 sec)
02:26:10   (guide star SNR=3.1 X=1189 Y=668)
02:26:12 **Guider unexpectedly stopped while waiting for measurement
02:26:13   (take guider image at initial interval 1.84 sec)
02:26:17   Multi-star guiding, MaxIm chose star at X=859.0004 Y=830.9664
02:26:18 ** This guide star disappeared or moved > 20 pixels. Can't continue.
02:26:18 **No usable stars in guider image; trying again at max guider exposure
02:26:30   Multi-star guiding, MaxIm chose star at X=1325.913 Y=606.9832
02:26:31 ** This guide star disappeared or moved > 20 pixels. Can't continue.
02:26:31 **No usable stars at max guider exposure interval, can't guide
02:26:31 **Autoguiding failed.
ACP console log closed 21-Feb-2024 02:26:31 UTC