Predictions for Grazing Occultation of ZC 1061, 2009 Mar 6
Grazing Occultation of 1061SF8 Magnitude 6.2 [Red = 5.9] s
R1061 = 39 Geminorum
Date: 2009 Mar 06 10h 6m, to 2009 Mar 06 10h 9m
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
173 30 0 -39 58 8 10 5 55 20 337 2.70 19.8 15.33 12.37N
173 40 0 -40 5 34 10 6 7 20 336 2.73 19.8 15.33 12.37N
173 50 0 -40 13 1 10 6 20 20 336 2.75 19.8 15.33 12.37N
174 0 0 -40 20 28 10 6 33 20 336 2.78 19.8 15.33 12.37N
174 10 0 -40 27 55 10 6 45 20 336 2.81 19.8 15.33 12.37N
174 20 1 -40 35 22 10 6 57 19 336 2.84 19.8 15.33 12.37N
174 30 1 -40 42 50 10 7 9 19 336 2.87 19.8 15.33 12.37N
174 40 1 -40 50 18 10 7 21 19 335 2.89 19.8 15.33 12.36N
174 50 1 -40 57 47 10 7 33 19 335 2.92 19.8 15.33 12.36N
175 0 1 -41 5 15 10 7 45 19 335 2.96 19.8 15.32 12.36N
175 10 1 -41 12 44 10 7 57 19 335 2.99 19.7 15.32 12.36N
175 20 1 -41 20 13 10 8 8 18 335 3.02 19.7 15.32 12.35N
175 30 1 -41 27 42 10 8 20 18 335 3.05 19.7 15.32 12.35N
175 40 2 -41 35 11 10 8 31 18 334 3.08 19.7 15.31 12.35N
175 50 2 -41 42 41 10 8 42 18 334 3.12 19.7 15.31 12.34N
176 0 2 -41 50 11 10 8 53 18 334 3.15 19.7 15.30 12.34N
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 1 meters
1061 = NSV 17256, 6.10, range 0.02 to ( 0.02V, Type VAR:
1061 is triple: Aa 6.1 0.50" 158.0 : Aa-B 6.1 12.1 32" 67.7
Librations Long -1.22 Lat -3.68
P +15.44 D +3.49
Illumination of moon 73%+
Elongation of Moon 117
Vertical Profile Scale 3.14 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.54 deg/min
At longitude 174.83:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
8.4 5.1 6.5 7.2 7.6 7.8 8.0 8.1
10.4 5.1 6.5 7.2 7.6 7.9 8.0 8.2
12.4 5.1 6.5 7.2 7.6 7.9 8.1 8.2
14.4 5.1 6.5 7.2 7.6 7.9 8.1 8.2
16.4 5.1 6.5 7.2 7.6 7.9 8.1 8.2
Lunar Limb Profile