Star: equinox: 2000.0, epoch: 2017.520 RA, Dec: 19:00:41.62006 -20:38:44.5377 g': 15.569
Click to invert. This is taken with the 16" Dob and the QHY174 camera on 2017-03-19 12:21 UT. At the time the target elevation was ~20 degrees. Gain=48, offset=0, and exposure time was 0.5 sec.
Shadow Center Line Sun Star Moon U.T. Day/Time Lat Lon Alt Alt Alt (Deg) (Deg) (Deg) (Deg) (Deg) Jul 10,2017 7:41:30.0 4.49 38.39 -11.5R 7.7S 23.9S Jul 10,2017 7:41:45.0 -0.43 50.87 -24.8R 21.1S 37.7S Jul 10,2017 7:42: 0.0 -3.31 58.24 -32.7R 28.9S 45.7S Jul 10,2017 7:42:15.0 -5.54 64.15 -38.9R 35.2S 52.2S Jul 10,2017 7:42:30.0 -7.42 69.31 -44.3R 40.6S 57.7S Jul 10,2017 7:42:45.0 -9.05 74.00 -49.1R 45.4S 62.7S Jul 10,2017 7:43: 0.0 -10.49 78.37 -53.6R 49.9S 67.3S Jul 10,2017 7:43:15.0 -11.78 82.51 -57.8R 54.1S 71.5S Jul 10,2017 7:43:30.0 -12.95 86.48 -61.8R 58.1S 75.6S Jul 10,2017 7:43:45.0 -14.01 90.33 -65.6R 61.9S 79.4S Jul 10,2017 7:44: 0.0 -14.97 94.07 -69.2R 65.6S 83.1S Jul 10,2017 7:44:15.0 -15.85 97.74 -72.8R 69.2S 86.6S Jul 10,2017 7:44:30.0 -16.64 101.36 -76.2R 72.7S 88.9R Jul 10,2017 7:44:45.0 -17.35 104.95 -79.5R 76.2S 86.1R Jul 10,2017 7:45: 0.0 -17.98 108.50 -82.7R 79.5S 82.8R Jul 10,2017 7:45:15.0 -18.55 112.04 -85.4R 82.8S 79.6R Jul 10,2017 7:45:30.0 -19.04 115.58 -86.8S 86.1S 76.3R Jul 10,2017 7:45:45.0 -19.46 119.13 -85.3S 88.8S 73.1R Jul 10,2017 7:46: 0.0 -19.80 122.69 -82.6S 86.9R 69.8R Jul 10,2017 7:46:15.0 -20.08 126.28 -79.5S 83.7R 66.6R Jul 10,2017 7:46:30.0 -20.28 129.90 -76.2S 80.4R 63.3R Jul 10,2017 7:46:45.0 -20.41 133.56 -72.9S 77.0R 60.0R Jul 10,2017 7:47: 0.0 -20.46 137.27 -69.6S 73.6R 56.7R Jul 10,2017 7:47:15.0 -20.43 141.06 -66.1S 70.1R 53.3R Jul 10,2017 7:47:30.0 -20.31 144.92 -62.6S 66.6R 49.9R Jul 10,2017 7:47:45.0 -20.10 148.88 -58.9S 62.9R 46.3R Jul 10,2017 7:48: 0.0 -19.78 152.95 -55.2S 59.1R 42.7R Jul 10,2017 7:48:15.0 -19.35 157.18 -51.2S 55.2R 38.8R Jul 10,2017 7:48:30.0 -18.80 161.58 -47.1S 51.0R 34.8R Jul 10,2017 7:48:45.0 -18.09 166.22 -42.7S 46.6R 30.5R Jul 10,2017 7:49: 0.0 -17.20 171.18 -38.0S 41.9R 25.9R Jul 10,2017 7:49:15.0 -16.07 176.58 -32.8S 36.6R 20.7R Jul 10,2017 7:49:30.0 -14.61 -177.34 -26.8S 30.7R 14.8R Jul 10,2017 7:49:45.0 -12.60 -170.06 -19.5S 23.4R 7.5R Jul 10,2017 7:50: 0.0 -9.28 -159.59 -8.8S 12.6R -3.3R
West longitude is positive in this table. Timing and position is computed for sea level on WGS84 datum.