ACP console log opened 17-Apr-2024 02:42:50 UTC This is ACP version 9.0 (build 4, ACP 9 Production Release) Licensed to Arne Henden 02:42:50 This is AcquireScheduler V9.0.3 02:42:50 Custom image file path/names are in use 02:42:50 [PreFlip=300 PostFlip=300 AF=180 PU=60] 02:42:50 Hardware GEM pier side reporting is available. 02:42:51 Initializing AcquireSupport V9.0.3 02:42:51 Weather safe, server is Boltwood Cloud Sensor II 02:42:51 Telescope is ACP->TM61, driver V3 02:42:51 Dome is MaxDome 02:42:51 MaxIm DL is version 6.28 02:42:51 Imager is ASCOM 02:42:51 Using focus offsets and star mags from FilterInfo.txt 02:42:51 Selecting filter SG from previous ACP run at 20240417@024219 UTC 02:42:51 Imager readout modes: 02:42:51 0 is Fast 02:42:51 1 is Normal 02:42:51 Guider is SX Universal (no rotator) 02:42:51 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels 02:42:51 Max unguided exposure 60 sec. 02:42:51 Guider is set to multi-star mode 02:42:51 (assuring that FocusMax is running now...) 02:42:51 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23 02:42:51 Calculated field of view (arcmin): H = 36.3 V = 24.3 02:42:51 Plate solving with GSC 1.1 (ok for wider fields) 02:42:51 Mount supports tracking rate offsets 02:42:51 ==== Starting target V838_Mon ==== 02:42:51 ACPS Observation V838_Mon(1 of 1) 02:42:51 (belongs to Project AAVSO_P237_CWT_AUTO_ver3515, Plan V838_Mon) 02:42:51 (turning on sidereal tracking) 02:42:51 Pointing updates are enabled 02:42:51 Catalog Maximum Mag = 18.0 02:42:51 Start slew to V838_Mon... 02:42:53 (wait for slew to complete) 02:43:36 (slew complete) 02:43:36 [flip check: Tn=540s HAc=8066s GW=T HAz=8606s DWz=T WF=no] 02:43:36 Updating pointing... 02:43:36 Switching from SG to SR filter for pointing exposure 02:43:36 Focus change of -50 steps required 02:43:39 (taking 10 sec. exposure, SR filter, binning = 4) 02:43:39 (using Fast readout mode) 02:43:39 (starting exposure) 02:44:00 (exposure complete) 02:44:03 (exposure complete and image downloaded) 02:44:04 Image finished 02:44:04 Plate-solve pointing image. 02:44:04 1400 image stars found 02:44:04 483 catalog stars found 02:44:06 Solved! 188 stars matched. 02:44:06 Average residual is 0.26 arcsec. 02:44:06 Pointing error is 0.460 arcmin @ angle 345.46 02:44:06 True focal length is 3467.4 mm. 02:44:06 True binned plate scales (arcsec/pix): H = 0.89 V = 0.89 02:44:06 True image center (J2000): 07h 04m 04.4s -03° 50' 23.89" 02:44:06 Imager sky position angle is 178.8 deg. 02:44:06 [sync] pointing model updated 02:44:06 Within max error tolerance, no re-slew needed. 02:44:06 Target is now centered. 02:44:06 (high cadence option, no web previews) 02:44:06 (aggregated exposure times, trying to autoguide) 02:44:06 Switching from SR to SG filter for imaging 02:44:06 Focus change of 50 steps required 02:44:08 (take guider image at initial interval 5 sec) 02:44:18 Multi-star guiding, MaxIm chose star at X=1208.091 Y=829.4097 02:44:18 (guide star SNR=9.5 X=1208 Y=829) 02:44:18 (first exposure estimate 1.58 sec) 02:44:23 (guide star SNR=3.3 X=1208 Y=830) 02:44:23 (final exposure for guiding 1.44 sec) 02:44:29 (guide star SNR=3.4 X=1209 Y=831) 02:44:30 **Guider unexpectedly stopped while waiting for measurement 02:44:31 (take guider image at initial interval 1.44 sec) 02:44:36 Multi-star guiding, MaxIm chose star at X=1209 Y=831 02:44:36 (guide star SNR=3.3 X=1210 Y=831) 02:44:36 (first exposure estimate 1.3 sec) 02:44:41 (guide star SNR=2.9 X=1209 Y=832) 02:44:41 (final exposure for guiding 1.32 sec) 02:44:46 (guide star SNR=2.9 X=1210 Y=832) 02:44:48 **Guider unexpectedly stopped while waiting for measurement 02:44:49 (take guider image at initial interval 1.32 sec) 02:44:53 Multi-star guiding, MaxIm chose star at X=723.9931 Y=359.9842 02:44:54 ** This guide star disappeared or moved > 20 pixels. Can't continue. 02:44:54 **No usable stars in guider image; trying again at max guider exposure 02:45:07 Multi-star guiding, MaxIm chose star at X=1326.224 Y=608.08 02:45:07 ** This guide star disappeared or moved > 20 pixels. Can't continue. 02:45:07 **No usable stars at max guider exposure interval, can't guide 02:45:07 **Autoguiding failed. ACP console log closed 17-Apr-2024 02:45:08 UTC