Predictions for Grazing Occultation of ZC 2366, 2008 Sep 7
Grazing Occultation of 2366 dM1 Magnitude 1.1v
2366 = Antares = alpha Scorpii
Date 2008 September 7 (Sunday) 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
143 0 0 -33 0 51 1 46 38 50 13 113 4.35 196.6 187.47 -7.50S
143 10 0 -33 7 12 1 46 45 50 13 113 4.28 196.6 187.48 -7.51S
143 20 0 -33 13 34 1 46 51 50 13 113 4.22 196.7 187.49 -7.52S
143 30 0 -33 19 57 1 46 58 50 14 113 4.16 196.7 187.50 -7.53S
143 40 0 -33 26 21 1 47 5 50 14 113 4.10 196.7 187.51 -7.54S
143 50 0 -33 32 45 1 47 12 50 14 113 4.04 196.7 187.52 -7.56S
144 0 0 -33 39 10 1 47 19 50 14 113 3.98 196.7 187.53 -7.57S
144 10 0 -33 45 37 1 47 26 50 14 112 3.93 196.7 187.54 -7.58S
144 20 0 -33 52 4 1 47 33 49 14 112 3.87 196.7 187.55 -7.59S
144 30 0 -33 58 32 1 47 41 49 15 112 3.82 196.7 187.56 -7.60S
144 40 0 -34 5 0 1 47 48 49 15 112 3.77 196.7 187.57 -7.61S
144 50 0 -34 11 30 1 47 56 49 15 112 3.72 196.7 187.58 -7.61S
145 0 0 -34 18 0 1 48 3 49 15 112 3.67 196.8 187.59 -7.62S
145 10 0 -34 24 31 1 48 11 49 15 112 3.62 196.8 187.60 -7.63S
145 20 0 -34 31 3 1 48 19 49 16 112 3.57 196.8 187.61 -7.64S
145 30 0 -34 37 36 1 48 27 49 16 111 3.53 196.8 187.62 -7.65S
145 40 0 -34 44 10 1 48 35 49 16 111 3.48 196.8 187.62 -7.66S
145 50 0 -34 50 44 1 48 43 49 16 111 3.44 196.8 187.63 -7.67S
146 0 0 -34 57 19 1 48 51 49 16 111 3.40 196.8 187.64 -7.68S
146 10 0 -35 3 55 1 49 0 49 17 111 3.35 196.8 187.65 -7.68S
146 20 0 -35 10 31 1 49 8 49 17 111 3.31 196.8 187.66 -7.69S
146 30 0 -35 17 9 1 49 17 48 17 111 3.27 196.8 187.66 -7.70S
146 40 0 -35 23 47 1 49 25 48 17 111 3.23 196.8 187.67 -7.71S
146 50 0 -35 30 25 1 49 34 48 17 110 3.20 196.8 187.68 -7.72S
147 0 0 -35 37 5 1 49 43 48 18 110 3.16 196.8 187.69 -7.72S
147 10 0 -35 43 45 1 49 51 48 18 110 3.12 196.9 187.69 -7.73S
147 20 0 -35 50 26 1 50 0 48 18 110 3.09 196.9 187.70 -7.74S
147 30 0 -35 57 7 1 50 10 48 18 110 3.05 196.9 187.71 -7.74S
147 40 1 -36 3 49 1 50 19 48 18 110 3.02 196.9 187.71 -7.75S
147 50 1 -36 10 32 1 50 28 48 19 110 2.98 196.9 187.72 -7.76S
148 0 1 -36 17 15 1 50 37 48 19 110 2.95 196.9 187.73 -7.76S
148 10 1 -36 23 59 1 50 47 48 19 109 2.92 196.9 187.73 -7.77S
148 20 1 -36 30 44 1 50 56 47 19 109 2.88 196.9 187.74 -7.77S
148 30 1 -36 37 29 1 51 6 47 19 109 2.85 196.9 187.74 -7.78S
148 40 1 -36 44 15 1 51 16 47 20 109 2.82 196.9 187.75 -7.79S
148 50 1 -36 51 1 1 51 25 47 20 109 2.79 196.9 187.75 -7.79S
149 0 1 -36 57 48 1 51 35 47 20 109 2.76 196.9 187.76 -7.80S
149 10 1 -37 4 36 1 51 45 47 20 109 2.73 196.9 187.76 -7.80S
149 20 1 -37 11 24 1 51 56 47 20 108 2.71 196.9 187.77 -7.80S
149 30 1 -37 18 13 1 52 6 47 20 108 2.68 196.9 187.77 -7.81S
149 40 1 -37 25 2 1 52 16 47 21 108 2.65 196.9 187.78 -7.81S
149 50 1 -37 31 51 1 52 26 47 21 108 2.62 196.9 187.78 -7.82S
150 0 1 -37 38 41 1 52 37 46 21 108 2.60 196.9 187.79 -7.82S
150 10 1 -37 45 32 1 52 47 46 21 108 2.57 197.0 187.79 -7.82S
150 20 1 -37 52 23 1 52 58 46 21 107 2.55 197.0 187.79 -7.83S
150 30 1 -37 59 14 1 53 9 46 22 107 2.52 197.0 187.80 -7.83S
150 40 1 -38 6 6 1 53 20 46 22 107 2.50 197.0 187.80 -7.83S
150 50 1 -38 12 58 1 53 31 46 22 107 2.47 197.0 187.80 -7.84S
151 0 1 -38 19 51 1 53 42 46 22 107 2.45 197.0 187.80 -7.84S
Path coordinates are referred to WGS84 (as used by GPS).
2366 is double : 0.9 5.4 2.5" 273.7
Graze Path of component #2 1.26km North, and 5.0 secs. earlier cf. primary.
2366 = alf Sco, 0.88 to 1.16 V , Type LC
Librations Long +1.67 Lat +5.74
P +188.0 D +5.7
Illumination of moon 46%+
Elongation of Moon 85
Vertical Profile Scale 2.32 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.87 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
-11.8 1.8 3.1 3.8 4.2 4.4 4.5 4.7
-9.8 1.8 3.1 3.8 4.2 4.4 4.5 4.7
-7.8 1.8 3.1 3.8 4.2 4.4 4.5 4.7
-5.8 1.8 3.1 3.8 4.2 4.4 4.5 4.7
-3.8 1.8 3.1 3.8 4.2 4.4 4.5 4.7
Lunar Limb Profile