ACP console log opened 15-Feb-2024 02:21:08 UTC This is ACP version 9.0 (build 4, ACP 9 Production Release) Licensed to Arne Henden 02:21:08 This is AcquireScheduler V9.0.3 02:21:08 Custom image file path/names are in use 02:21:08 [PreFlip=300 PostFlip=300 AF=180 PU=60] 02:21:08 Hardware GEM pier side reporting is available. 02:21:09 Initializing AcquireSupport V9.0.3 02:21:09 Weather safe, server is Boltwood Cloud Sensor II 02:21:09 Telescope is ACP->TM61, driver V3 02:21:09 Dome is MaxDome 02:21:09 MaxIm DL is version 6.28 02:21:09 Imager is ASCOM 02:21:09 Using focus offsets and star mags from FilterInfo.txt 02:21:09 Selecting filter V from previous ACP run at 20240215@022035 UTC 02:21:09 Imager readout modes: 02:21:09 0 is Fast 02:21:09 1 is Normal 02:21:09 Guider is SX Universal (no rotator) 02:21:09 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels 02:21:09 Max unguided exposure 60 sec. 02:21:09 Guider is set to multi-star mode 02:21:09 (assuring that FocusMax is running now...) 02:21:09 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23 02:21:09 Calculated field of view (arcmin): H = 36.3 V = 24.3 02:21:09 Plate solving with GSC 1.1 (ok for wider fields) 02:21:09 Mount supports tracking rate offsets 02:21:09 ==== Starting target NGC_1904 ==== 02:21:09 ACPS Observation NGC_1904(1 of 1) 02:21:09 (belongs to Project AAVSO_Pgc_Welch_AUTO_ver2411, Plan NGC_1904) 02:21:09 (turning on sidereal tracking) 02:21:09 Pointing updates are enabled 02:21:09 Catalog Maximum Mag = 18.0 02:21:09 Start slew to NGC_1904... 02:21:11 (wait for slew to complete) 02:22:21 (slew complete) 02:22:21 [flip check: Tn=420s HAc=-1873s GW=T HAz=-1453s DWz=T WF=no] 02:22:21 Updating pointing... 02:22:21 Switching from V to SR filter for pointing exposure 02:22:21 Focus change of -290 steps required 02:22:24 (taking 10 sec. exposure, SR filter, binning = 4) 02:22:24 (using Fast readout mode) 02:22:24 (starting exposure) 02:22:49 (exposure complete) 02:22:51 (exposure complete and image downloaded) 02:22:53 Image finished 02:22:53 Plate-solve pointing image. 02:22:53 642 image stars found 02:22:54 299 catalog stars found 02:22:55 Solved! 128 stars matched. 02:22:55 Average residual is 0.31 arcsec. 02:22:55 Pointing error is 3.300 arcmin @ angle 273.70 02:22:55 True focal length is 3465.7 mm. 02:22:55 True binned plate scales (arcsec/pix): H = 0.89 V = 0.89 02:22:55 True image center (J2000): 05h 23m 56.6s -24° 31' 16.17" 02:22:55 Imager sky position angle is 178.7 deg. 02:22:55 [sync] pointing model updated 02:22:55 Re-slew to target. 02:22:55 Start slew to NGC_1904... 02:22:56 (wait for slew to complete) 02:23:06 (slew complete) 02:23:06 Target is now centered. 02:23:06 (high cadence option, no web previews) 02:23:06 [flip check: Tn=360s HAc=-1842s GW=T HAz=-1468s DWz=T WF=no] 02:23:06 Imaging to NGC_1904_SG_20240215_022306_T3 02:23:06 Switching from SR to SG filter for imaging 02:23:06 Focus change of 50 steps required 02:23:09 (taking 60 sec. exposure, SG filter, binning = 2) 02:23:09 (using Normal readout mode) 02:23:09 (starting exposure) 02:24:16 (exposure complete) 02:24:19 (exposure complete and image downloaded) 02:24:20 Image finished 02:24:20 Plate-solve NGC_1904_SG_20240215_022306_T3 final image. 02:24:23 1929 image stars found 02:24:23 165 catalog stars found 02:24:24 Solved! 90 stars matched. 02:24:25 Average residual is 0.17 arcsec. 02:24:25 Pointing error is 0.035 arcmin @ angle 122.00 02:24:25 True focal length is 3467.8 mm. 02:24:25 True binned plate scales (arcsec/pix): H = 0.45 V = 0.45 02:24:25 True image center (J2000): 05h 24m 11.2s -24° 31' 30.12" 02:24:25 Imager sky position angle is 178.7 deg. 02:24:25 Image FWHM is 2.9 arcsec (6.38 pixels) 02:24:25 (avg FWHM = 2.06 arcsec) 02:24:25 Within max error tolerance, no re-slew needed. 02:24:25 (high cadence option, no web previews) 02:24:25 (aggregated exposure times, trying to autoguide) 02:24:25 (take guider image at initial interval 5 sec) 02:24:32 Multi-star guiding, MaxIm chose star at X=1326.197 Y=607.9993 02:24:33 ** This guide star disappeared or moved > 20 pixels. Can't continue. 02:24:33 **No usable stars in guider image; trying again at max guider exposure 02:24:46 Multi-star guiding, MaxIm chose star at X=1211.523 Y=681.1144 02:24:47 (guide star SNR=11.4 X=1211 Y=681) 02:24:47 (first exposure estimate 2.64 sec) 02:24:53 (guide star SNR=3.0 X=1207 Y=678) 02:24:53 (final exposure for guiding 2.62 sec) 02:24:59 (guide star SNR=3.5 X=1204 Y=676) 02:25:15 **Guider waited for 13.1 sec and never got a measurement 02:25:16 (take guider image at initial interval 2.62 sec) 02:25:21 Multi-star guiding, MaxIm chose star at X=0 Y=0 02:25:22 ** This guide star disappeared or moved > 20 pixels. Can't continue. 02:25:22 **No usable stars in guider image; trying again at max guider exposure 02:25:35 Multi-star guiding, MaxIm chose star at X=1027.349 Y=944.9117 02:25:36 ** This guide star disappeared or moved > 20 pixels. Can't continue. 02:25:36 **No usable stars at max guider exposure interval, can't guide 02:25:36 **Autoguiding failed. ACP console log closed 15-Feb-2024 02:25:37 UTC