Predictions for Grazing Occultation of ZC 1967, 2009 Feb 14
Grazing Occultation of 1967 G1 Magnitude 5.6 [Red = 5.1]
R1967 = 83 Virginis
Date: 2009 Feb 14 15h 4m, to 2009 Feb 14 15h 12m
Nominal site altitude 100m
E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA
o ' " o ' " h m s Alt Alt Az o o o
174 0 0 -38 21 36 15 4 21 61 47 0.55 214.7 193.98 11.48S
174 10 0 -38 29 21 15 4 48 61 46 0.55 214.7 193.95 11.45S
174 20 0 -38 37 4 15 5 15 61 45 0.55 214.7 193.92 11.42S
174 30 0 -38 44 45 15 5 42 61 45 0.55 214.6 193.89 11.38S
174 40 0 -38 52 24 15 6 9 61 44 0.55 214.6 193.85 11.35S
174 50 1 -39 0 1 15 6 35 61 43 0.55 214.6 193.82 11.32S
175 0 1 -39 7 36 15 7 2 61 43 0.54 214.5 193.79 11.28S
175 10 1 -39 15 9 15 7 28 62 42 0.54 214.5 193.75 11.25S
175 20 1 -39 22 40 15 7 55 62 42 0.54 214.5 193.72 11.21S
175 30 1 -39 30 8 15 8 21 62 41 0.54 214.4 193.68 11.18S
175 40 1 -39 37 34 15 8 47 62 40 0.54 214.4 193.65 11.14S
175 50 1 -39 44 59 15 9 13 62 40 0.54 214.4 193.61 11.11S
176 0 1 -39 52 20 15 9 39 62 39 0.54 214.3 193.57 11.07S
176 10 2 -39 59 40 15 10 5 62 38 0.54 214.3 193.54 11.03S
176 20 2 -40 6 58 15 10 31 62 38 0.54 214.2 193.49 10.99S
176 30 2 -40 14 13 15 10 56 62 37 0.54 214.2 193.46 10.95S
176 40 2 -40 21 26 15 11 22 62 37 0.53 214.2 193.42 10.91S
176 50 2 -40 28 37 15 11 47 62 36 0.53 214.1 193.38 10.87S
177 0 2 -40 35 46 15 12 13 62 35 0.53 214.1 193.34 10.83S
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 2 meters
Librations Long +6.43 Lat +6.29
P +194.38 D +4.85
Illumination of moon 72%-
Elongation of Moon 116
Vertical Profile Scale 2.12 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.42 deg/min
At longitude 175.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
7.2 5.7 7.2 8.0 8.5 8.9 9.1 9.3
9.2 5.7 7.2 8.0 8.5 8.9 9.2 9.4
11.2 5.7 7.2 8.0 8.5 8.9 9.2 9.4
13.2 5.7 7.2 8.0 8.5 8.9 9.2 9.4
15.2 5.7 7.2 8.0 8.5 8.9 9.2 9.4
Lunar Limb Profile
