ACP console log opened 24-Jan-2025 02:56:37 UTC This is ACP version 9.2 (build 1, ACP 9.2.1 (Production)) Licensed to Arne Henden 02:56:37 This is AcquireScheduler V9.1.3 02:56:37 Custom image file path/names are in use 02:56:37 [PreFlip=300 PostFlip=300 AF=180 PU=60] 02:56:37 Hardware GEM pier side reporting is available. 02:56:38 Initializing AcquireSupport V9.2.4 02:56:38 Weather safe, server is Boltwood Cloud Sensor II 02:56:38 User actions detected. 02:56:38 Telescope is ACP->TM61, driver V3 02:56:38 Dome is MaxDome 02:56:39 MaxIm DL is version 6.28 02:56:39 Imager is ASCOM 02:56:39 Using focus offsets and star mags from FilterInfo.txt 02:56:39 Selecting filter B from previous ACP run at 20250124@025348 UTC 02:56:39 Imager readout modes: 02:56:39 0 is Fast 02:56:39 1 is Normal 02:56:39 Guider is SX Universal (no rotator) 02:56:39 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels 02:56:39 Max unguided exposure 60 sec. 02:56:39 Guider is set to multi-star mode 02:56:39 (assuring that FocusMax is running now...) 02:56:46 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23 02:56:46 Calculated field of view (arcmin): H = 36.3 V = 24.3 02:56:46 Plate solving with GSC 1.1 (ok for wider fields) 02:56:46 Mount supports tracking rate offsets 02:56:46 ==== Starting target NGC_1904 ==== 02:56:46 ACPS Observation NGC_1904(1 of 1) 02:56:46 (belongs to Project AAVSO_Pgc_Welch_AUTO_ver4538, Plan NGC_1904) 02:56:46 (turning on sidereal tracking) 02:56:47 Pointing updates are enabled 02:56:47 Catalog Maximum Mag = 18.0 02:56:47 Start slew to NGC_1904... 02:56:48 (wait for slew to complete) 02:58:09 (slew complete) 02:58:09 Calling TargetStart user action. 02:58:09 Project Priority is: undefined 02:58:09 [flip check: Tn=420s HAc=-4746s GW=T HAz=-4326s DWz=T WF=no] 02:58:09 Updating pointing... 02:58:09 Switching from B to SR filter for pointing exposure 02:58:09 Focus change of -320 steps required 02:58:13 (taking 10 sec. exposure, SR filter, binning = 4) 02:58:13 (using Fast readout mode) 02:58:13 (starting exposure) 02:58:37 (exposure complete) 02:58:40 (exposure complete and image downloaded) 02:58:40 Camera temp (deg.C) = -12 02:58:41 Focuser position = 3870 02:58:41 Focuser temp (deg.C) = -0.7 02:58:42 PROJNAME=AAVSO_Pgc_Welch_AUTO put into fits header 02:58:42 CCD-TPWR=16 put into fits header 02:58:43 Focus postion= 3870 02:58:43 Image finished 02:58:43 Plate-solve pointing image. 02:58:43 570 image stars found 02:58:43 299 catalog stars found 02:58:44 Solved! 118 stars matched. 02:58:44 Average residual is 0.31 arcsec. 02:58:44 Pointing error is 2.771 arcmin @ angle 278.91 02:58:44 True focal length is 3466.7 mm. 02:58:44 True binned plate scales (arcsec/pix): H = 0.89 V = 0.89 02:58:44 True image center (J2000): 05h 23m 59.1s -24° 31' 03.22" 02:58:44 Imager sky position angle is 178.7 deg. 02:58:45 [sync] pointing model updated 02:58:45 Re-slew to target. 02:58:45 Start slew to NGC_1904... 02:58:47 (wait for slew to complete) 02:58:56 (slew complete) 02:58:56 Target is now centered. 02:58:56 (high cadence option, no web previews) 02:58:56 [flip check: Tn=360s HAc=-4709s GW=T HAz=-4339s DWz=T WF=no] 02:58:56 Calling AcquireImage user action. 02:58:56 Imaging to NGC_1904_SG_20250124_025856_T3 02:58:56 Switching from SR to SG filter for imaging 02:58:57 Focus change of 50 steps required 02:59:00 (taking 60 sec. exposure, SG filter, binning = 2) 02:59:00 (using Normal readout mode) 02:59:00 (starting exposure) 03:00:04 (exposure complete) 03:00:06 (exposure complete and image downloaded) 03:00:06 Camera temp (deg.C) = -11.9 03:00:07 Focuser position = 3920 03:00:07 Focuser temp (deg.C) = -0.7 03:00:09 PROJNAME=AAVSO_Pgc_Welch_AUTO put into fits header 03:00:09 CCD-TPWR=16 put into fits header 03:00:09 Focus postion= 3920 03:00:09 Image finished 03:00:09 Plate-solve NGC_1904_SG_20250124_025856_T3 final image. 03:00:12 1885 image stars found 03:00:12 165 catalog stars found 03:00:13 Solved! 61 stars matched. 03:00:13 Average residual is 0.16 arcsec. 03:00:13 Pointing error is 0.041 arcmin @ angle 145.49 03:00:13 True focal length is 3467.5 mm. 03:00:13 True binned plate scales (arcsec/pix): H = 0.45 V = 0.45 03:00:13 True image center (J2000): 05h 24m 11.2s -24° 31' 31.05" 03:00:13 Imager sky position angle is 178.7 deg. 03:00:13 Image FWHM is 3.0 arcsec (6.82 pixels) 03:00:13 (avg FWHM = 2.29 arcsec) 03:00:13 Within max error tolerance, no re-slew needed. 03:00:13 Calling ImageComplete user action 03:00:14 (high cadence option, no web previews) 03:00:14 (aggregated exposure times, trying to autoguide) 03:00:14 (take guider image at initial interval 5 sec) 03:00:22 Multi-star guiding, MaxIm chose star at X=1224.92 Y=669.243 03:00:22 (guide star SNR=6.1 X=1225 Y=669) 03:00:23 (first exposure estimate 2.48 sec) 03:00:29 (guide star SNR=3.1 X=1224 Y=668) 03:00:29 (final exposure for guiding 2.38 sec) 03:00:35 (guide star SNR=3.3 X=1224 Y=669) 03:00:37 **Guider unexpectedly stopped while waiting for measurement 03:00:38 (take guider image at initial interval 2.38 sec) 03:00:43 Multi-star guiding, MaxIm chose star at X=1224 Y=669 03:00:43 (guide star SNR=2.8 X=1218 Y=664) 03:00:44 (first exposure estimate 2.58 sec) 03:00:50 (guide star SNR=3.0 X=1211 Y=658) 03:00:50 (final exposure for guiding 2.56 sec) 03:00:56 (guide star SNR=3.1 X=1208 Y=656) 03:00:57 **Guider unexpectedly stopped while waiting for measurement 03:00:59 (take guider image at initial interval 2.56 sec) 03:01:04 Multi-star guiding, MaxIm chose star at X=1208 Y=656 03:01:04 (guide star SNR=3.0 X=1206 Y=653) 03:01:05 (first exposure estimate 2.53 sec) 03:01:10 (guide star SNR=3.1 X=1204 Y=652) 03:01:11 (final exposure for guiding 2.42 sec) 03:01:17 **No stars at all found in guider image 03:01:18 **Guider unexpectedly stopped while waiting for measurement 03:01:19 (take guider image at initial interval 2.42 sec) 03:01:24 Multi-star guiding, MaxIm chose star at X=0 Y=0 03:01:25 ** This guide star disappeared or moved > 20 pixels. Can't continue. 03:01:25 **No usable stars in guider image; trying again at max guider exposure 03:01:38 Multi-star guiding, MaxIm chose star at X=1199.451 Y=648.3576 03:01:39 (guide star SNR=11.2 X=1199 Y=648) 03:01:39 (first exposure estimate 2.67 sec) 03:01:45 (guide star SNR=3.3 X=1191 Y=642) 03:01:45 (final exposure for guiding 2.41 sec) 03:01:51 (guide star SNR=2.8 X=1188 Y=640) 03:01:53 **Guider unexpectedly stopped while waiting for measurement 03:01:54 **Autoguiding failed. ACP console log closed 24-Jan-2025 03:01:55 UTC