ACP console log opened 07-Feb-2025 03:46:49 UTC This is ACP version 9.2 (build 1, ACP 9.2.1 (Production)) Licensed to Arne Henden 03:46:49 This is AcquireScheduler V9.1.3 03:46:49 Custom image file path/names are in use 03:46:49 [PreFlip=300 PostFlip=300 AF=180 PU=60] 03:46:49 Hardware GEM pier side reporting is available. 03:46:50 Initializing AcquireSupport V9.2.4 03:46:50 Weather safe, server is Boltwood Cloud Sensor II 03:46:50 User actions detected. 03:46:50 Telescope is ACP->TM61, driver V3 03:46:50 Dome is MaxDome 03:46:50 MaxIm DL is version 6.28 03:46:50 Imager is ASCOM 03:46:50 Using focus offsets and star mags from FilterInfo.txt 03:46:50 Selecting filter B from previous ACP run at 20250207@034337 UTC 03:46:50 Imager readout modes: 03:46:50 0 is Fast 03:46:50 1 is Normal 03:46:50 Guider is SX Universal (no rotator) 03:46:50 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels 03:46:50 Max unguided exposure 60 sec. 03:46:50 Guider is set to multi-star mode 03:46:50 (assuring that FocusMax is running now...) 03:46:58 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23 03:46:58 Calculated field of view (arcmin): H = 36.3 V = 24.3 03:46:59 Plate solving with GSC 1.1 (ok for wider fields) 03:46:59 Mount supports tracking rate offsets 03:46:59 ==== Starting target V838_Mon ==== 03:46:59 ACPS Observation V838_Mon(1 of 1) 03:46:59 (belongs to Project AAVSO_P237_CWT_AUTO_ver3515, Plan V838_Mon) 03:46:59 (turning on sidereal tracking) 03:46:59 Pointing updates are enabled 03:46:59 Catalog Maximum Mag = 18.0 03:46:59 Start slew to V838_Mon... 03:47:00 (wait for slew to complete) 03:47:25 (slew complete) 03:47:25 Calling TargetStart user action. 03:47:25 Project Priority is: undefined 03:47:25 [flip check: Tn=540s HAc=-4477s GW=T HAz=-3937s DWz=T WF=no] 03:47:25 Updating pointing... 03:47:25 Switching from B to SR filter for pointing exposure 03:47:25 Focus change of -320 steps required 03:47:29 (taking 10 sec. exposure, SR filter, binning = 4) 03:47:29 (using Fast readout mode) 03:47:29 (starting exposure) 03:47:53 (exposure complete) 03:47:55 (exposure complete and image downloaded) 03:47:55 Camera temp (deg.C) = -11.7 03:47:56 Focuser position = 3487 03:47:56 Focuser temp (deg.C) = 17.3 03:47:57 PROJNAME=AAVSO_P237_CWT_AUTO put into fits header 03:47:57 CCD-TPWR=100 put into fits header 03:47:58 Focus postion= 3487 03:47:58 Image finished 03:47:58 Plate-solve pointing image. 03:47:59 2114 image stars found 03:47:59 483 catalog stars found 03:48:00 Solved! 197 stars matched. 03:48:00 Average residual is 0.22 arcsec. 03:48:00 Pointing error is 5.531 arcmin @ angle 271.91 03:48:00 True focal length is 3467.8 mm. 03:48:00 True binned plate scales (arcsec/pix): H = 0.89 V = 0.89 03:48:00 True image center (J2000): 07h 03m 42.7s -03° 50' 39.51" 03:48:00 Imager sky position angle is 178.7 deg. 03:48:00 [sync] pointing model updated 03:48:00 Re-slew to target. 03:48:00 Start slew to V838_Mon... 03:48:02 (wait for slew to complete) 03:48:06 (slew complete) 03:48:06 Target is now centered. 03:48:06 (high cadence option, no web previews) 03:48:06 (aggregated exposure times, trying to autoguide) 03:48:06 Switching from SR to SG filter for imaging 03:48:06 Focus change of 50 steps required 03:48:08 (take guider image at initial interval 5 sec) 03:48:18 Multi-star guiding, MaxIm chose star at X=1257.998 Y=778.178 03:48:18 (guide star SNR=5.1 X=1261 Y=781) 03:48:18 (first exposure estimate 2.92 sec) 03:48:25 ** This guide star disappeared or moved > 20 pixels. Can't continue. 03:48:25 **No usable stars this time, must be extremely weak, giving up. 03:48:25 **Autoguiding failed. ACP console log closed 07-Feb-2025 03:48:26 UTC