ACP console log opened 14-Feb-2024 02:27:17 UTC This is ACP version 9.0 (build 4, ACP 9 Production Release) Licensed to Arne Henden 02:27:17 This is AcquireScheduler V9.0.3 02:27:17 Custom image file path/names are in use 02:27:17 [PreFlip=300 PostFlip=300 AF=180 PU=60] 02:27:17 Hardware GEM pier side reporting is available. 02:27:18 Initializing AcquireSupport V9.0.3 02:27:18 Weather safe, server is Boltwood Cloud Sensor II 02:27:18 Telescope is ACP->TM61, driver V3 02:27:18 Dome is MaxDome 02:27:19 MaxIm DL is version 6.28 02:27:19 Imager is ASCOM 02:27:19 Using focus offsets and star mags from FilterInfo.txt 02:27:19 Selecting filter B from previous ACP run at 20240214@022644 UTC 02:27:19 Imager readout modes: 02:27:19 0 is Fast 02:27:19 1 is Normal 02:27:19 Guider is SX Universal (no rotator) 02:27:19 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels 02:27:19 Max unguided exposure 60 sec. 02:27:19 Guider is set to multi-star mode 02:27:19 (assuring that FocusMax is running now...) 02:27:19 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23 02:27:19 Calculated field of view (arcmin): H = 36.3 V = 24.3 02:27:19 Plate solving with GSC 1.1 (ok for wider fields) 02:27:19 Mount supports tracking rate offsets 02:27:19 ==== Starting target V838_Mon ==== 02:27:19 ACPS Observation V838_Mon(1 of 1) 02:27:19 (belongs to Project AAVSO_P237_CWT_AUTO_ver3515, Plan V838_Mon) 02:27:19 (turning on sidereal tracking) 02:27:19 Pointing updates are enabled 02:27:19 Catalog Maximum Mag = 18.0 02:27:19 Start slew to V838_Mon... 02:27:20 (wait for slew to complete) 02:27:55 (slew complete) 02:27:55 [flip check: Tn=540s HAc=-7781s GW=T HAz=-7241s DWz=T WF=no] 02:27:55 Updating pointing... 02:27:55 Switching from B to SR filter for pointing exposure 02:27:55 Focus change of -320 steps required 02:27:59 (taking 10 sec. exposure, SR filter, binning = 4) 02:27:59 (using Fast readout mode) 02:27:59 (starting exposure) 02:28:25 (exposure complete) 02:28:28 (exposure complete and image downloaded) 02:28:29 Image finished 02:28:29 Plate-solve pointing image. 02:28:30 1797 image stars found 02:28:30 483 catalog stars found 02:28:31 Solved! 180 stars matched. 02:28:31 Average residual is 0.26 arcsec. 02:28:31 Pointing error is 3.072 arcmin @ angle 82.86 02:28:31 True focal length is 3466.7 mm. 02:28:31 True binned plate scales (arcsec/pix): H = 0.89 V = 0.89 02:28:31 True image center (J2000): 07h 04m 17.0s -03° 50' 27.67" 02:28:31 Imager sky position angle is 178.7 deg. 02:28:31 [sync] pointing model updated 02:28:31 Re-slew to target. 02:28:31 Start slew to V838_Mon... 02:28:35 (wait for slew to complete) 02:28:45 (slew complete) 02:28:45 Target is now centered. 02:28:45 (high cadence option, no web previews) 02:28:45 (aggregated exposure times, trying to autoguide) 02:28:45 Switching from SR to SG filter for imaging 02:28:45 Focus change of 50 steps required 02:28:48 (take guider image at initial interval 5 sec) 02:28:57 Multi-star guiding, MaxIm chose star at X=610.6823 Y=735.8836 02:28:58 (guide star SNR=16.2 X=609 Y=731) 02:28:58 (first exposure estimate 1 sec) 02:29:03 (guide star SNR=4.0 X=609 Y=732) 02:29:03 (final exposure for guiding 1 sec) 02:29:08 (guide star SNR=3.8 X=610 Y=731) 02:29:14 (autoguiding at 1.00 sec.) 02:29:14 (wait for slew to complete) 02:29:15 (slew complete) 02:29:15 [flip check: Tn=480s HAc=-7688s GW=T HAz=-7220s DWz=T WF=no] 02:29:16 Imaging to V838_Mon_SG_20240214_022915_T3 02:29:16 (taking 180 sec. exposure, SG filter, binning = 2) 02:29:16 (using Normal readout mode) 02:29:17 (ex=0.48 ey=0.57) 02:29:17 (guider check OK) 02:29:17 (starting exposure) 02:32:28 (exposure complete) 02:32:30 (exposure complete and image downloaded) 02:32:31 Image finished 02:32:31 Plate-solve V838_Mon_SG_20240214_022915_T3 final image. 02:32:35 8077 image stars found 02:32:35 247 catalog stars found 02:32:36 Solved! 130 stars matched. 02:32:36 Average residual is 0.17 arcsec. 02:32:36 Pointing error is 0.510 arcmin @ angle 267.66 02:32:36 True focal length is 3468.3 mm. 02:32:36 True binned plate scales (arcsec/pix): H = 0.45 V = 0.45 02:32:36 True image center (J2000): 07h 04m 02.8s -03° 50' 51.85" 02:32:36 Imager sky position angle is 178.7 deg. 02:32:36 Image FWHM is 2.7 arcsec (6.06 pixels) 02:32:36 (avg FWHM = 4.49 arcsec) 02:32:36 Within max error tolerance, no re-slew needed. 02:32:36 (waiting for guider to settle...) 02:32:41 [flip check: Tn=480s HAc=-7479s GW=T HAz=-7014s DWz=T WF=no] 02:32:42 Imaging to V838_Mon_SG_20240214_023241_T3 02:32:42 (taking 180 sec. exposure, SG filter, binning = 2) 02:32:42 (using Normal readout mode) 02:32:42 (ex=0.00 ey=0.00) 02:32:42 (guider error n/a or too high, try #1) 02:32:54 **Guider waited for 10 sec and never got a measurement 02:32:54 **Guider stopped or lost star just before image acquisition ACP console log closed 14-Feb-2024 02:32:54 UTC