ACP console log opened 11-Mar-2024 05:31:57 UTC This is ACP version 9.0 (build 4, ACP 9 Production Release) Licensed to Arne Henden 05:31:57 This is AcquireScheduler V9.0.3 05:31:57 Custom image file path/names are in use 05:31:57 [PreFlip=300 PostFlip=300 AF=180 PU=60] 05:31:57 Hardware GEM pier side reporting is available. 05:31:58 Initializing AcquireSupport V9.0.3 05:31:58 Weather safe, server is Boltwood Cloud Sensor II 05:31:58 Telescope is ACP->TM61, driver V3 05:31:58 Dome is MaxDome 05:31:58 MaxIm DL is version 6.28 05:31:58 Imager is ASCOM 05:31:58 Using focus offsets and star mags from FilterInfo.txt 05:31:58 Selecting filter B from previous ACP run at 20240311@052930 UTC 05:31:58 Imager readout modes: 05:31:58 0 is Fast 05:31:58 1 is Normal 05:31:58 Guider is SX Universal (no rotator) 05:31:58 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels 05:31:58 Max unguided exposure 60 sec. 05:31:58 Guider is set to multi-star mode 05:31:58 (assuring that FocusMax is running now...) 05:31:58 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23 05:31:58 Calculated field of view (arcmin): H = 36.3 V = 24.3 05:31:58 Plate solving with GSC 1.1 (ok for wider fields) 05:31:58 Mount supports tracking rate offsets 05:31:58 ==== Starting target 3C_279 ==== 05:31:58 ACPS Observation 3C_279(1 of 1) 05:31:58 (belongs to Project AAVSO_survey_HQ_AUTO_ver3479, Plan 3C_279) 05:31:58 (turning on sidereal tracking) 05:31:58 Pointing updates are enabled 05:31:58 Catalog Maximum Mag = 18.0 05:31:58 Start slew to 3C_279... 05:31:59 (wait for slew to complete) 05:33:26 (slew complete) 05:33:26 [flip check: Tn=460s HAc=-11598s GW=T HAz=-11138s DWz=T WF=no] 05:33:26 Updating pointing... 05:33:26 Switching from B to SR filter for pointing exposure 05:33:26 Focus change of -320 steps required 05:33:30 (taking 10 sec. exposure, SR filter, binning = 4) 05:33:30 (using Fast readout mode) 05:33:30 (starting exposure) 05:33:56 (exposure complete) 05:33:58 (exposure complete and image downloaded) 05:33:59 Image finished 05:33:59 Plate-solve pointing image. 05:34:00 264 image stars found 05:34:00 144 catalog stars found 05:34:01 Solved! 42 stars matched. 05:34:01 Average residual is 0.35 arcsec. 05:34:01 Pointing error is 2.284 arcmin @ angle 270.64 05:34:01 True focal length is 3468.3 mm. 05:34:01 True binned plate scales (arcsec/pix): H = 0.89 V = 0.89 05:34:01 True image center (J2000): 12h 56m 01.9s -05° 47' 20.46" 05:34:01 Imager sky position angle is 178.9 deg. 05:34:01 [sync] pointing model updated 05:34:01 Re-slew to target. 05:34:01 Start slew to 3C_279... 05:34:03 (wait for slew to complete) 05:34:13 (slew complete) 05:34:13 Target is now centered. 05:34:13 (high cadence option, no web previews) 05:34:13 (aggregated exposure times, trying to autoguide) 05:34:13 Switching from SR to SU filter for imaging 05:34:13 No focus change required 05:34:13 (take guider image at initial interval 5 sec) 05:34:23 Multi-star guiding, MaxIm chose star at X=707.972 Y=456.9971 05:34:23 ** This guide star disappeared or moved > 20 pixels. Can't continue. 05:34:23 **No usable stars in guider image; trying again at max guider exposure 05:34:36 Multi-star guiding, MaxIm chose star at X=442.0053 Y=688.9647 05:34:37 (guide star SNR=7.0 X=442 Y=689) 05:34:37 (first exposure estimate 4.26 sec) 05:34:45 (guide star SNR=3.4 X=441 Y=688) 05:34:45 (final exposure for guiding 3.75 sec) 05:34:52 (guide star SNR=2.8 X=440 Y=687) 05:34:55 **Guider unexpectedly stopped while waiting for measurement 05:34:56 (take guider image at initial interval 3.75 sec) 05:35:02 Multi-star guiding, MaxIm chose star at X=452 Y=347 05:35:03 ** This guide star disappeared or moved > 20 pixels. Can't continue. 05:35:03 **No usable stars in guider image; trying again at max guider exposure 05:35:16 Multi-star guiding, MaxIm chose star at X=488 Y=199 05:35:16 ** This guide star disappeared or moved > 20 pixels. Can't continue. 05:35:16 **No usable stars at max guider exposure interval, can't guide 05:35:16 **Autoguiding failed. ACP console log closed 11-Mar-2024 05:35:17 UTC