ACP console log opened 18-Jan-2024 03:25:34 UTC
This is ACP version 9.0 (build 4, ACP 9 Production Release)
Licensed to Arne Henden
03:25:34 This is AcquireScheduler V9.0.3
03:25:34 Custom image file path/names are in use
03:25:34   [PreFlip=300 PostFlip=300 AF=180 PU=60]
03:25:34 Hardware GEM pier side reporting is available.
03:25:35 Initializing AcquireSupport V9.0.3
03:25:35 Weather safe, server is Boltwood Cloud Sensor II
03:25:35 Telescope is ACP->TM61, driver V3
03:25:35 Dome is MaxDome
03:25:35 MaxIm DL is version 6.28
03:25:35 Imager is ASCOM
03:25:35 Using focus offsets and star mags from FilterInfo.txt
03:25:35 Selecting filter R from previous ACP run at 20240118@032128 UTC
03:25:35 Imager readout modes:
03:25:35   0 is Fast
03:25:35   1 is Normal
03:25:35 Guider is SX Universal (no rotator)
03:25:35 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels
03:25:35 Max unguided exposure 60 sec.
03:25:35 Guider is set to multi-star mode
03:25:35 (assuring that FocusMax is running now...)
03:25:35 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23
03:25:35 Calculated field of view (arcmin): H = 36.3 V = 24.3
03:25:35 Plate solving with GSC 1.1 (ok for wider fields)
03:25:35 Mount supports tracking rate offsets
03:25:35 ==== Starting target NGC_1904 ====
03:25:35 ACPS Observation NGC_1904(1 of 1)
03:25:35   (belongs to Project AAVSO_Pgc_Welch_AUTO_ver2411, Plan NGC_1904)
03:25:35   (turning on sidereal tracking)
03:25:35 Pointing updates are enabled
03:25:35 Catalog Maximum Mag = 18.0
03:25:35   Start slew to NGC_1904...
03:25:37   (wait for slew to complete)
03:26:32   (slew complete)
03:26:32     [flip check:  Tn=420s HAc=-4635s GW=T HAz=-4215s DWz=T WF=no]
03:26:32   Updating pointing...
03:26:32   Switching from R to SR filter for pointing exposure
03:26:32   Focus change of -270 steps required
03:26:35   (taking 10 sec. exposure, SR filter, binning = 4)
03:26:35   (using Fast readout mode)
03:26:35   (starting exposure)
03:27:00   (exposure complete)
03:27:02   (exposure complete and image downloaded)
03:27:03   Image finished
03:27:03   Plate-solve pointing image.
03:27:03   399 image stars found
03:27:04   299 catalog stars found
03:27:05   Solved! 109 stars matched.
03:27:05   Average residual is 0.31 arcsec.
03:27:05   Pointing error is 5.601 arcmin @ angle 271.48
03:27:05   True focal length is 3464.4 mm.
03:27:05   True binned plate scales (arcsec/pix): H = 0.89 V = 0.89
03:27:05   True image center (J2000): 05h 23m 46.5s   -24° 31' 20.19"
03:27:05   Imager sky position angle is 178.7 deg.
03:27:05   [sync] pointing model updated
03:27:05   Re-slew to target.
03:27:05   Start slew to NGC_1904...
03:27:07   (wait for slew to complete)
03:27:17   (slew complete)
03:27:17   Target is now centered.
03:27:17   (high cadence option, no web previews)
03:27:17     [flip check:  Tn=360s HAc=-4613s GW=T HAz=-4230s DWz=T WF=no]
03:27:17   Imaging to NGC_1904_SG_20240118_032717_T3
03:27:17   Switching from SR to SG filter for imaging
03:27:17   Focus change of 50 steps required
03:27:19   (taking 60 sec. exposure, SG filter, binning = 2)
03:27:19   (using Normal readout mode)
03:27:19   (starting exposure)
03:28:27   (exposure complete)
03:28:29   (exposure complete and image downloaded)
03:28:30   Image finished
03:28:30   Plate-solve NGC_1904_SG_20240118_032717_T3 final image.
03:28:33   1380 image stars found
03:28:34   165 catalog stars found
03:28:35   Solved! 67 stars matched.
03:28:35   Average residual is 0.17 arcsec.
03:28:35   Pointing error is 0.040 arcmin @ angle 120.85
03:28:35   True focal length is 3466.3 mm.
03:28:35   True binned plate scales (arcsec/pix): H = 0.45 V = 0.45
03:28:35   True image center (J2000): 05h 24m 11.2s   -24° 31' 30.22"
03:28:35   Imager sky position angle is 178.7 deg.
03:28:35   Image FWHM is 3.4 arcsec (7.54 pixels)
03:28:35   (avg FWHM = 3.17 arcsec)
03:28:35   Within max error tolerance, no re-slew needed.
03:28:35   (high cadence option, no web previews)
03:28:35   (aggregated exposure times, trying to autoguide)
03:28:35   (take guider image at initial interval 5 sec)
03:28:42   Multi-star guiding, MaxIm chose star at X=1211.231 Y=680.9644
03:28:43   (guide star SNR=5.2 X=1211 Y=681)
03:28:43   (first exposure estimate 2.86 sec)
03:28:50   (guide star SNR=3.3 X=1211 Y=680)
03:28:50   (final exposure for guiding 2.61 sec)
03:28:56   (guide star SNR=3.0 X=1211 Y=679)
03:29:12 **Guider waited for 13.05 sec and never got a measurement
03:29:14   (take guider image at initial interval 2.61 sec)
03:29:19   Multi-star guiding, MaxIm chose star at X=1111.081 Y=217.9938
03:29:20 ** This guide star disappeared or moved > 20 pixels. Can't continue.
03:29:20 **No usable stars in guider image; trying again at max guider exposure
03:29:33   Multi-star guiding, MaxIm chose star at X=1195.416 Y=665.7152
03:29:33   (guide star SNR=9.3 X=1195 Y=666)
03:29:33   (first exposure estimate 3.21 sec)
03:29:41   (guide star SNR=3.4 X=1192 Y=664)
03:29:41   (final exposure for guiding 2.82 sec)
03:29:47   (guide star SNR=3.2 X=1189 Y=661)
03:30:03 **Guider waited for 14.1 sec and never got a measurement
03:30:05   (take guider image at initial interval 2.82 sec)
03:30:11   Multi-star guiding, MaxIm chose star at X=0 Y=0
03:30:11 ** This guide star disappeared or moved > 20 pixels. Can't continue.
03:30:11 **No usable stars in guider image; trying again at max guider exposure
03:30:24   Multi-star guiding, MaxIm chose star at X=707.7143 Y=456.7657
03:30:24 ** This guide star disappeared or moved > 20 pixels. Can't continue.
03:30:24 **No usable stars at max guider exposure interval, can't guide
03:30:24 **Autoguiding failed.
ACP console log closed 18-Jan-2024 03:30:25 UTC