Predictions for Grazing Occultation of ZC 1817, 2007 Jan 10
Grazing Occultation of 1817 K2 Magnitude 6.7
Date 2007 January 10 (Wednesday) Nominal site altitude 0m
E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA
o ' " o ' " h m s Alt Alt Az o o o
138 0 0 -30 53 19 17 14 31 42 68 1.10 220.3 198.87 17.03S
138 10 0 -31 3 22 17 15 5 43 68 1.09 220.3 198.90 17.07S
138 20 0 -31 13 28 17 15 38 43 67 1.08 220.4 198.94 17.10S
138 30 0 -31 23 37 17 16 12 43 67 1.08 220.4 198.97 17.13S
138 40 0 -31 33 49 17 16 46 43 66 1.07 220.4 199.00 17.17S
138 50 0 -31 44 4 17 17 20 43 66 1.06 220.5 199.03 17.20S
139 0 0 -31 54 22 17 17 54 43 66 1.06 220.5 199.07 17.23S
139 10 0 -32 4 43 17 18 29 44 65 1.05 220.5 199.10 17.26S
139 20 0 -32 15 7 17 19 3 44 65 1.04 220.6 199.13 17.29S
139 30 0 -32 25 34 17 19 38 44 64 1.04 220.6 199.15 17.32S
139 40 0 -32 36 3 17 20 13 44 64 1.03 220.6 199.18 17.35S
139 50 0 -32 46 35 17 20 47 44 63 1.03 220.6 199.21 17.37S
140 0 0 -32 57 10 17 21 22 44 63 1.02 220.7 199.24 17.40S
140 10 0 -33 7 48 17 21 57 45 63 1.02 220.7 199.26 17.42S
140 20 0 -33 18 27 17 22 32 45 62 1.01 220.7 199.28 17.45S
140 30 0 -33 29 9 17 23 7 45 62 1.01 220.7 199.31 17.47S
140 40 0 -33 39 54 17 23 43 45 61 1.00 220.8 199.33 17.49S
140 50 0 -33 50 41 17 24 18 45 61 1.00 220.8 199.35 17.52S
141 0 0 -34 1 29 17 24 53 45 60 0.99 220.8 199.37 17.54S
141 10 0 -34 12 20 17 25 29 45 60 0.99 220.8 199.39 17.56S
141 20 0 -34 23 13 17 26 4 46 59 0.98 220.9 199.41 17.57S
141 30 0 -34 34 8 17 26 40 46 59 0.98 220.9 199.43 17.59S
141 40 0 -34 45 5 17 27 15 46 58 0.97 220.9 199.44 17.61S
141 50 0 -34 56 4 17 27 51 46 58 0.97 220.9 199.46 17.62S
142 0 0 -35 7 4 17 28 27 46 57 0.96 220.9 199.47 17.64S
142 10 0 -35 18 6 17 29 2 46 57 0.96 220.9 199.49 17.65S
142 20 0 -35 29 9 17 29 38 46 57 0.96 220.9 199.50 17.66S
142 30 0 -35 40 14 17 30 14 46 56 0.95 221.0 199.51 17.68S
142 40 1 -35 51 20 17 30 50 46 56 0.95 221.0 199.52 17.69S
142 50 1 -36 2 27 17 31 25 47 55 0.95 221.0 199.53 17.70S
143 0 1 -36 13 35 17 32 1 47 55 0.94 221.0 199.54 17.70S
143 10 1 -36 24 45 17 32 37 47 54 0.94 221.0 199.55 17.71S
143 20 1 -36 35 55 17 33 12 47 54 0.94 221.0 199.55 17.72S
143 30 1 -36 47 6 17 33 48 47 53 0.93 221.0 199.56 17.72S
143 40 1 -36 58 18 17 34 24 47 52 0.93 221.0 199.56 17.73S
143 50 1 -37 9 31 17 34 59 47 52 0.93 221.0 199.57 17.73S
144 0 1 -37 20 44 17 35 35 47 51 0.93 221.0 199.57 17.73S
144 10 1 -37 31 57 17 36 10 47 51 0.92 221.0 199.57 17.74S
144 20 1 -37 43 11 17 36 46 47 50 0.92 221.0 199.57 17.74S
144 30 1 -37 54 26 17 37 21 47 50 0.92 221.0 199.57 17.74S
144 40 1 -38 5 40 17 37 57 48 49 0.92 221.0 199.57 17.73S
144 50 1 -38 16 55 17 38 32 48 49 0.91 221.0 199.57 17.73S
145 0 1 -38 28 9 17 39 7 48 48 0.91 221.0 199.56 17.73S
145 10 1 -38 39 23 17 39 42 48 48 0.91 221.0 199.56 17.72S
145 20 1 -38 50 38 17 40 17 48 47 0.91 221.0 199.55 17.72S
145 30 1 -39 1 51 17 40 52 48 47 0.91 221.0 199.55 17.71S
145 40 1 -39 13 5 17 41 27 48 46 0.91 221.0 199.54 17.70S
145 50 1 -39 24 18 17 42 2 48 46 0.90 221.0 199.53 17.70S
146 0 1 -39 35 30 17 42 36 48 45 0.90 221.0 199.52 17.69S
146 10 1 -39 46 42 17 43 11 48 45 0.90 221.0 199.51 17.68S
146 20 1 -39 57 53 17 43 45 48 44 0.90 220.9 199.50 17.67S
146 30 1 -40 9 3 17 44 20 48 44 0.90 220.9 199.49 17.65S
146 40 1 -40 20 13 17 44 54 -12 48 43 0.90 220.9 199.48 17.64S
146 50 1 -40 31 21 17 45 28 -12 48 42 0.90 220.9 199.46 17.63S
147 0 1 -40 42 28 17 46 2 -11 48 42 0.90 220.9 199.45 17.61S
147 10 1 -40 53 34 17 46 36 -11 48 41 0.90 220.9 199.43 17.60S
147 20 1 -41 4 39 17 47 9 -11 48 41 0.90 220.9 199.42 17.58S
147 30 1 -41 15 42 17 47 43 -10 48 40 0.90 220.8 199.40 17.56S
147 40 1 -41 26 44 17 48 16 -10 48 40 0.90 220.8 199.38 17.54S
147 50 1 -41 37 45 17 48 49 -10 48 39 0.90 220.8 199.36 17.53S
148 0 1 -41 48 44 17 49 22 -9 48 39 0.90 220.8 199.34 17.51S
148 10 1 -41 59 41 17 49 55 -9 48 38 0.90 220.8 199.32 17.49S
148 20 1 -42 10 36 17 50 28 -9 48 38 0.90 220.7 199.30 17.46S
148 30 1 -42 21 30 17 51 0 -9 48 37 0.90 220.7 199.28 17.44S
148 40 1 -42 32 22 17 51 33 -8 48 37 0.90 220.7 199.26 17.42S
148 50 1 -42 43 12 17 52 5 -8 48 36 0.90 220.7 199.23 17.40S
149 0 1 -42 54 0 17 52 37 -8 48 36 0.90 220.6 199.21 17.37S
Path coordinates are referred to WGS84 (as used by GPS).
Librations Long -0.58 Lat +2.05
P +199.2 D +2.4
Illumination of moon 57%-
Elongation of Moon 98
Vertical Profile Scale 2.52 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.41 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
13.4 5.8 7.2 8.0 8.6 8.9 9.2 9.4
15.4 5.8 7.3 8.1 8.6 9.0 9.2 9.4
17.4 5.8 7.3 8.1 8.6 9.0 9.2 9.4
19.4 5.8 7.3 8.1 8.6 9.0 9.3 9.5
21.4 5.8 7.3 8.1 8.6 9.0 9.3 9.5
Lunar Limb Profile