Predictions for Grazing Occultation of ZC 1649, 2009 Jun 28
Grazing Occultation of 1649 K3 Magnitude 6.1 [Red = 5.3]
Date: 2009 Jun 28 7h 46m, to 2009 Jun 28 7h 52m
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 30 0 -37 29 31 7 45 52 40 309 1.21 36.2 14.00 11.99N
174 40 1 -37 33 57 7 46 7 39 309 1.22 36.1 13.95 11.94N
174 50 2 -37 38 20 7 46 23 39 309 1.22 36.1 13.90 11.89N
175 0 4 -37 42 43 7 46 39 39 309 1.23 36.0 13.85 11.84N
175 10 5 -37 47 3 7 46 54 39 309 1.24 36.0 13.80 11.79N
175 20 6 -37 51 22 7 47 10 39 308 1.25 35.9 13.75 11.74N
175 30 7 -37 55 39 7 47 25 38 308 1.26 35.9 13.70 11.69N
175 40 8 -37 59 54 7 47 40 38 308 1.27 35.8 13.65 11.64N
175 50 10 -38 4 8 7 47 56 38 308 1.27 35.8 13.60 11.59N
176 0 11 -38 8 20 7 48 11 38 308 1.28 35.7 13.55 11.54N
176 10 12 -38 12 31 7 48 25 38 307 1.29 35.7 13.50 11.49N
176 20 13 -38 16 40 7 48 40 38 307 1.30 35.6 13.45 11.44N
176 30 14 -38 20 47 7 48 55 37 307 1.31 35.6 13.40 11.39N
176 40 16 -38 24 53 7 49 10 37 307 1.32 35.5 13.35 11.34N
176 50 17 -38 28 57 7 49 24 37 307 1.33 35.5 13.30 11.29N
177 0 18 -38 32 59 7 49 38 37 307 1.34 35.4 13.25 11.24N
177 10 19 -38 37 0 7 49 53 37 306 1.34 35.4 13.20 11.19N
177 20 20 -38 40 59 7 50 7 36 306 1.35 35.3 13.15 11.14N
177 30 22 -38 44 57 7 50 21 36 306 1.36 35.3 13.11 11.09N
177 40 23 -38 48 53 7 50 35 36 306 1.37 35.2 13.06 11.05N
177 50 24 -38 52 48 7 50 49 36 306 1.38 35.2 13.01 11.00N
178 0 25 -38 56 41 7 51 3 36 305 1.39 35.1 12.96 10.95N
178 10 26 -39 0 32 7 51 16 36 305 1.40 35.1 12.91 10.90N
178 20 28 -39 4 22 7 51 30 35 305 1.41 35.0 12.86 10.85N
178 30 29 -39 8 11 7 51 44 35 305 1.42 35.0 12.82 10.81N
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 4 meters
Librations Long +6.11 Lat +4.95
P +13.84 D -3.14
Illumination of moon 37%+
Elongation of Moon 75
Vertical Profile Scale 1.97 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.58 deg/min
At longitude 176.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
7.4 5.8 7.3 8.1 8.6 9.0 9.3 9.5
9.4 5.9 7.3 8.1 8.7 9.0 9.3 9.5
11.4 5.9 7.3 8.1 8.7 9.0 9.3 9.5
13.4 5.9 7.3 8.2 8.7 9.1 9.3 9.5
15.4 5.9 7.4 8.2 8.7 9.1 9.4 9.6
Lunar Limb Profile