ACP console log opened 01-Mar-2024 02:15:09 UTC This is ACP version 9.0 (build 4, ACP 9 Production Release) Licensed to Arne Henden 02:15:09 This is AcquireScheduler V9.0.3 02:15:09 Custom image file path/names are in use 02:15:09 [PreFlip=300 PostFlip=300 AF=180 PU=60] 02:15:09 Hardware GEM pier side reporting is available. 02:15:10 Initializing AcquireSupport V9.0.3 02:15:10 Weather safe, server is Boltwood Cloud Sensor II 02:15:10 Telescope is ACP->TM61, driver V3 02:15:11 Dome is MaxDome 02:15:11 MaxIm DL is version 6.28 02:15:11 Imager is ASCOM 02:15:11 Using focus offsets and star mags from FilterInfo.txt 02:15:11 Selecting filter SG from previous ACP run at 20240301@021316 UTC 02:15:11 Imager readout modes: 02:15:11 0 is Fast 02:15:11 1 is Normal 02:15:11 Guider is SX Universal (no rotator) 02:15:11 Guider plate scale is 0.2 arcsec/pix. Guided dither with main imager pixels 02:15:11 Max unguided exposure 60 sec. 02:15:11 Guider is set to multi-star mode 02:15:11 (assuring that FocusMax is running now...) 02:15:11 Calculated unbinned plate scales (arcsec/pix): H = 0.23 V = 0.23 02:15:11 Calculated field of view (arcmin): H = 36.3 V = 24.3 02:15:11 Plate solving with GSC 1.1 (ok for wider fields) 02:15:11 Mount supports tracking rate offsets 02:15:11 ==== Starting target NGC_1904 ==== 02:15:11 ACPS Observation NGC_1904(1 of 1) 02:15:11 (belongs to Project AAVSO_Pgc_Welch_AUTO_ver2411, Plan NGC_1904) 02:15:11 (turning on sidereal tracking) 02:15:11 Pointing updates are enabled 02:15:11 Catalog Maximum Mag = 18.0 02:15:11 Start slew to NGC_1904... 02:15:13 (wait for slew to complete) 02:15:43 (slew complete) 02:15:43 [flip check: Tn=420s HAc=1277s GW=T HAz=1697s DWz=T WF=no] 02:15:43 Updating pointing... 02:15:43 Switching from SG to SR filter for pointing exposure 02:15:43 Focus change of -50 steps required 02:15:45 (taking 10 sec. exposure, SR filter, binning = 4) 02:15:45 (using Fast readout mode) 02:15:45 (starting exposure) 02:16:06 (exposure complete) 02:16:09 (exposure complete and image downloaded) 02:16:10 Image finished 02:16:10 Plate-solve pointing image. 02:16:11 788 image stars found 02:16:11 299 catalog stars found 02:16:12 Solved! 124 stars matched. 02:16:12 Average residual is 0.32 arcsec. 02:16:12 Pointing error is 0.672 arcmin @ angle 68.85 02:16:12 True focal length is 3466.2 mm. 02:16:12 True binned plate scales (arcsec/pix): H = 0.89 V = 0.89 02:16:12 True image center (J2000): 05h 24m 13.8s -24° 31' 14.46" 02:16:12 Imager sky position angle is 178.7 deg. 02:16:12 [sync] pointing model updated 02:16:12 Within max error tolerance, no re-slew needed. 02:16:12 Target is now centered. 02:16:12 (high cadence option, no web previews) 02:16:12 (wait for slew to complete) 02:16:15 (slew complete) 02:16:15 [flip check: Tn=360s HAc=1309s GW=T HAz=1669s DWz=T WF=no] 02:16:15 Imaging to NGC_1904_SG_20240301_021615_T3 02:16:15 Switching from SR to SG filter for imaging 02:16:15 Focus change of 50 steps required 02:16:17 (taking 60 sec. exposure, SG filter, binning = 2) 02:16:17 (using Normal readout mode) 02:16:17 (starting exposure) 02:17:25 (exposure complete) 02:17:28 (exposure complete and image downloaded) 02:17:29 Image finished 02:17:29 Plate-solve NGC_1904_SG_20240301_021615_T3 final image. 02:17:32 1527 image stars found 02:17:32 165 catalog stars found 02:17:42 Solved! 55 stars matched. 02:17:42 Average residual is 0.18 arcsec. 02:17:42 Pointing error is 0.694 arcmin @ angle 70.65 02:17:42 True focal length is 3470.6 mm. 02:17:42 True binned plate scales (arcsec/pix): H = 0.45 V = 0.45 02:17:42 True image center (J2000): 05h 24m 14.0s -24° 31' 15.21" 02:17:42 Imager sky position angle is 178.7 deg. 02:17:42 Image FWHM is 2.9 arcsec (6.49 pixels) 02:17:42 (avg FWHM = 3.93 arcsec) 02:17:42 Within max error tolerance, no re-slew needed. 02:17:42 (high cadence option, no web previews) 02:17:42 (aggregated exposure times, trying to autoguide) 02:17:42 (take guider image at initial interval 5 sec) 02:17:50 Multi-star guiding, MaxIm chose star at X=708.1248 Y=457.2564 02:17:50 ** This guide star disappeared or moved > 20 pixels. Can't continue. 02:17:51 **No usable stars in guider image; trying again at max guider exposure 02:18:03 Multi-star guiding, MaxIm chose star at X=708.2037 Y=457.1905 02:18:04 (guide star SNR=3.2 X=709 Y=456) 02:18:04 (first exposure estimate 9.41 sec) 02:18:18 (guide star SNR=3.7 X=710 Y=457) 02:18:18 (final exposure for guiding 7.68 sec) 02:18:29 (guide star SNR=3.0 X=711 Y=458) 02:18:48 (autoguiding at 7.68 sec.) 02:18:48 [flip check: Tn=400s HAc=1463s GW=T HAz=1863s DWz=T WF=no] 02:18:48 Imaging to NGC_1904_SG_20240301_021848_T3 02:18:48 (taking 100 sec. exposure, SG filter, binning = 2) 02:18:48 (using Normal readout mode) 02:18:58 (ex=1.73 ey=0.08) 02:18:58 (guider check OK) 02:18:58 (starting exposure) 02:20:49 (exposure complete) 02:20:51 (exposure complete and image downloaded) 02:20:52 Image finished 02:20:54 Plate-solve NGC_1904_SG_20240301_021848_T3 final image. 02:20:57 2613 image stars found 02:20:57 165 catalog stars found 02:20:57 ** Failed to solve plate, possibly due to input plate scale being too far off. 02:20:57 (waiting for guider to settle...) 02:21:02 [flip check: Tn=400s HAc=1595s GW=T HAz=1996s DWz=T WF=no] 02:21:02 Imaging to NGC_1904_SG_20240301_022102_T3 02:21:02 (taking 100 sec. exposure, SG filter, binning = 2) 02:21:02 (using Normal readout mode) 02:21:02 (ex=26.65 ey=22.36) 02:21:02 (guider error n/a or too high, try #1) 02:21:13 (ex=3.78 ey=0.08) 02:21:13 (guider error n/a or too high, try #2) 02:21:21 (ex=5.24 ey=0.39) 02:21:21 (guider error n/a or too high, try #3) 02:21:31 (ex=4.13 ey=1.18) 02:21:31 (guider error n/a or too high, try #4) 02:21:41 (ex=11.34 ey=5.24) 02:21:41 (guider error n/a or too high, try #5) 02:21:49 (ex=13.42 ey=3.91) 02:21:49 (guider error n/a or too high, try #6) 02:21:59 (ex=14.83 ey=1.59) 02:21:59 (guider error n/a or too high, try #7) 02:22:09 (ex=6.90 ey=3.38) 02:22:09 (guider error n/a or too high, try #8) 02:22:19 (ex=6.11 ey=3.19) 02:22:19 (guider error n/a or too high, try #9) 02:22:28 (ex=18.33 ey=15.55) 02:22:28 (guider error n/a or too high, try #10) 02:22:38 (ex=20.18 ey=14.48) 02:22:38 (guider error n/a or too high, try #11) 02:22:47 (ex=20.50 ey=10.42) 02:22:47 (guider error n/a or too high, try #12) 02:22:57 (ex=2.38 ey=15.36) 02:22:57 (guider error n/a or too high, try #13) 02:23:07 (ex=2.57 ey=6.61) 02:23:07 (guider error n/a or too high, try #14) 02:23:16 (ex=7.11 ey=2.97) 02:23:16 (guider error n/a or too high, try #15) 02:23:26 (ex=8.23 ey=2.53) 02:23:26 (guider error n/a or too high, try #16) 02:23:35 (ex=19.51 ey=12.11) 02:23:35 (guider error n/a or too high, try #17) 02:23:45 (ex=19.81 ey=10.10) 02:23:45 (guider error n/a or too high, try #18) 02:23:55 (ex=18.44 ey=0.02) 02:23:55 (guider error n/a or too high, try #19) 02:24:05 (ex=3.99 ey=10.65) 02:24:05 (guider error n/a or too high, try #20) 02:24:06 (stopping the autoguider) 02:24:06 **Excessive guiding errors just before image acquisition ACP console log closed 01-Mar-2024 02:24:06 UTC