ACP console log opened 22-Feb-2024 11:29:57 UTC This is ACP version 9.0 (build 4, ACP 9 Production Release) Licensed to Arne Henden 11:29:57 This is AcquireScheduler V9.0.3 11:29:57 Custom image file path/names are in use 11:29:57 [PreFlip=300 PostFlip=300 AF=180 PU=60] 11:29:57 Hardware GEM pier side reporting is available. 11:29:58 Initializing AcquireSupport V9.0.3 11:29:58 Weather safe, server is Boltwood Cloud Sensor II 11:29:58 Telescope is ACP->TM61, driver V3 11:29:58 Dome is MaxDome 11:29:58 MaxIm DL is version 6.28 11:29:58 Imager is ASCOM 11:29:58 Using focus offsets and star mags from FilterInfo.txt 11:29:58 Selecting filter Open from previous ACP run at 20240222@112843 UTC 11:29:58 Imager readout modes: 11:29:58 0 is Fast 11:29:58 1 is Normal 11:29:58 Guider is SX Universal (no rotator) 11:29:58 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels 11:29:58 Max unguided exposure 60 sec. 11:29:58 Guider is set to multi-star mode 11:29:58 (assuring that FocusMax is running now...) 11:29:58 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23 11:29:58 Calculated field of view (arcmin): H = 36.3 V = 24.3 11:29:58 Plate solving with GSC 1.1 (ok for wider fields) 11:29:58 Mount supports tracking rate offsets 11:29:58 ==== Starting target NGC_6535 ==== 11:29:58 ACPS Observation NGC_6535(1 of 1) 11:29:58 (belongs to Project AAVSO_Pgc_Welch_AUTO_ver2411, Plan NGC_6535) 11:29:58 (turning on sidereal tracking) 11:29:58 Pointing updates are enabled 11:29:58 Catalog Maximum Mag = 18.0 11:29:58 Start slew to NGC_6535... 11:30:00 (wait for slew to complete) 11:30:25 (slew complete) 11:30:25 [flip check: Tn=420s HAc=-12835s GW=T HAz=-12415s DWz=T WF=no] 11:30:25 Updating pointing... 11:30:25 Switching from Open to SR filter for pointing exposure 11:30:25 Focus change of 360 steps required 11:30:30 (taking 10 sec. exposure, SR filter, binning = 4) 11:30:30 (using Fast readout mode) 11:30:30 (starting exposure) 11:30:50 (exposure complete) 11:30:52 (exposure complete and image downloaded) 11:30:53 Image finished 11:30:53 Plate-solve pointing image. 11:30:54 989 image stars found 11:30:54 342 catalog stars found 11:30:55 Solved! 110 stars matched. 11:30:55 Average residual is 0.3 arcsec. 11:30:55 Pointing error is 2.945 arcmin @ angle 86.63 11:30:55 True focal length is 3468.3 mm. 11:30:55 True binned plate scales (arcsec/pix): H = 0.89 V = 0.89 11:30:55 True image center (J2000): 18h 04m 02.3s -00° 17' 41.11" 11:30:55 Imager sky position angle is 179.0 deg. 11:30:55 [sync] pointing model updated 11:30:55 Re-slew to target. 11:30:55 Start slew to NGC_6535... 11:30:57 (wait for slew to complete) 11:31:07 (slew complete) 11:31:07 Target is now centered. 11:31:07 (high cadence option, no web previews) 11:31:07 [flip check: Tn=360s HAc=-12783s GW=T HAz=-12434s DWz=T WF=no] 11:31:07 Imaging to NGC_6535_SG_20240222_113107_T3 11:31:07 Switching from SR to SG filter for imaging 11:31:07 Focus change of 50 steps required 11:31:09 (taking 60 sec. exposure, SG filter, binning = 2) 11:31:09 (using Normal readout mode) 11:31:09 (starting exposure) 11:32:17 (exposure complete) 11:32:20 (exposure complete and image downloaded) 11:32:21 Image finished 11:32:21 Plate-solve NGC_6535_SG_20240222_113107_T3 final image. 11:32:24 2256 image stars found 11:32:24 175 catalog stars found 11:32:25 Solved! 111 stars matched. 11:32:25 Average residual is 0.2 arcsec. 11:32:25 Pointing error is 0.025 arcmin @ angle 125.17 11:32:25 True focal length is 3466.6 mm. 11:32:25 True binned plate scales (arcsec/pix): H = 0.45 V = 0.45 11:32:25 True image center (J2000): 18h 03m 50.6s -00° 17' 52.35" 11:32:25 Imager sky position angle is 179.0 deg. 11:32:25 Image FWHM is 3.8 arcsec (8.61 pixels) 11:32:25 (avg FWHM = 4.16 arcsec) 11:32:25 Within max error tolerance, no re-slew needed. 11:32:25 (high cadence option, no web previews) 11:32:25 (aggregated exposure times, trying to autoguide) 11:32:25 (take guider image at initial interval 5 sec) 11:32:33 Multi-star guiding, MaxIm chose star at X=1010.136 Y=342.9897 11:32:33 (guide star SNR=7.5 X=1010 Y=342) 11:32:34 (first exposure estimate 1.99 sec) 11:32:40 (guide star SNR=3.3 X=1009 Y=343) 11:32:40 (final exposure for guiding 1.81 sec) 11:32:45 (guide star SNR=3.0 X=1009 Y=340) 11:32:46 **Guider unexpectedly stopped while waiting for measurement 11:32:47 (take guider image at initial interval 1.81 sec) 11:32:51 Multi-star guiding, MaxIm chose star at X=1009 Y=340 11:32:52 (guide star SNR=3.1 X=1008 Y=340) 11:32:52 (first exposure estimate 1.73 sec) 11:32:57 (guide star SNR=3.2 X=1007 Y=337) 11:32:57 (final exposure for guiding 1.62 sec) 11:33:02 (guide star SNR=2.9 X=1006 Y=339) 11:33:03 **Guider unexpectedly stopped while waiting for measurement 11:33:04 (take guider image at initial interval 1.62 sec) 11:33:08 Multi-star guiding, MaxIm chose star at X=1006 Y=339 11:33:09 (guide star SNR=2.7 X=1007 Y=339) 11:33:09 (first exposure estimate 1.77 sec) 11:33:14 (guide star SNR=3.6 X=1007 Y=340) 11:33:14 (final exposure for guiding 1.46 sec) 11:33:19 ** This guide star disappeared or moved > 20 pixels. Can't continue. 11:33:20 **Guider unexpectedly stopped while waiting for measurement 11:33:21 (take guider image at initial interval 1.46 sec) 11:33:25 Multi-star guiding, MaxIm chose star at X=32 Y=417 11:33:26 ** This guide star disappeared or moved > 20 pixels. Can't continue. 11:33:26 **No usable stars in guider image; trying again at max guider exposure 11:33:39 Multi-star guiding, MaxIm chose star at X=1026.869 Y=945.1783 11:33:39 ** This guide star disappeared or moved > 20 pixels. Can't continue. 11:33:40 **No usable stars at max guider exposure interval, can't guide 11:33:40 **Autoguiding failed. ACP console log closed 22-Feb-2024 11:33:40 UTC