Predictions for Grazing Occultation of ZC 2963, 2009 Jun 11
Grazing Occultation of 2963WK2 Magnitude 5.3 [Red = 4.6]
R2963 = sigma Capricorni
Date: 2009 Jun 11 12h 52m, to 2009 Jun 11 13h 18m
Nominal site altitude 5m
E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA
o ' " o ' " h m s Alt Alt Az o o o
147 0 0 -26 23 3 13 5 53 33 96 1.52 345.6 357.22 1.00N
147 30 0 -26 27 21 13 6 37 34 96 1.49 345.4 357.07 1.15N
148 0 0 -26 31 28 13 7 22 35 96 1.45 345.3 356.92 1.29N
148 30 0 -26 35 26 13 8 7 35 96 1.42 345.1 356.77 1.45N
149 0 0 -26 39 12 13 8 54 36 95 1.39 345.0 356.62 1.60N
149 30 0 -26 42 49 13 9 41 36 95 1.36 344.8 356.46 1.76N
150 0 0 -26 46 14 13 10 29 37 95 1.33 344.6 356.30 1.92N
150 30 0 -26 49 29 13 11 18 38 94 1.30 344.5 356.14 2.08N
151 0 0 -26 52 32 13 12 8 38 94 1.27 344.3 355.97 2.24N
151 30 0 -26 55 25 13 12 59 39 94 1.24 344.1 355.80 2.41N
152 0 0 -26 58 6 13 13 51 40 93 1.21 344.0 355.63 2.58N
152 30 0 -27 0 35 13 14 44 40 93 1.18 343.8 355.46 2.76N
153 0 0 -27 2 53 13 15 38 41 93 1.16 343.6 355.28 2.93N
153 30 0 -27 4 59 13 16 33 41 92 1.13 343.4 355.10 3.12N
154 0 0 -27 6 52 13 17 29 42 92 1.10 343.3 354.92 3.30N
154 30 0 -27 8 34 13 18 26 43 92 1.08 343.1 354.73 3.49N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
Projected diameter of star 5 meters
2963 is double:
AB 5.4 9.4 57" 179.4 Graze path of B 97.49 km north, and 33.0 secs earlier compared to A
Librations Long -1.47 Lat -0.22
P +357.92 D +0.53
Illumination of moon 87%-
Elongation of Moon 138
Vertical Profile Scale 1.86 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.51 deg/min
At longitude 144.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-3.7 2.5 3.9 4.6 5.0 5.3 5.4 5.6
-1.7 2.5 3.9 4.6 5.0 5.3 5.4 5.6
0.3 2.5 3.9 4.6 5.0 5.3 5.4 5.6
2.3 2.5 3.9 4.6 5.0 5.3 5.4 5.6
4.3 3.6 5.0 5.7 6.1 6.4 6.6 6.7
Lunar Limb Profile - Brisbane