Predictions for Grazing Occultation of ZC 1949, 2007 May 28
Grazing Occultation of 1949 sA0 Magnitude 5.9
Date 2007 May 28 (Monday) 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
173 0 0 -35 6 45 11 41 59 55 301 0.70 33.5 13.45 16.12N
173 10 0 -35 10 8 11 42 23 55 300 0.71 33.5 13.38 16.05N
173 20 0 -35 13 29 11 42 47 55 300 0.71 33.4 13.30 15.97N
173 30 0 -35 16 48 11 43 11 54 300 0.72 33.3 13.22 15.90N
173 40 0 -35 20 4 11 43 34 54 300 0.72 33.2 13.15 15.82N
173 50 0 -35 23 19 11 43 58 54 300 0.73 33.2 13.07 15.75N
174 0 0 -35 26 31 11 44 21 54 299 0.73 33.1 12.99 15.67N
174 10 0 -35 29 42 11 44 44 53 299 0.74 33.0 12.92 15.59N
174 20 0 -35 32 51 11 45 7 53 299 0.75 32.9 12.84 15.52N
174 30 0 -35 35 57 11 45 30 53 299 0.75 32.9 12.77 15.44N
174 40 0 -35 39 2 11 45 53 53 298 0.76 32.8 12.69 15.37N
174 50 0 -35 42 4 11 46 15 53 298 0.76 32.7 12.62 15.29N
Path coordinates are referred to WGS84 (as used by GPS).
1949 is triple : 6.3 7.2 0.41" 60.4 : 5.9 12.4 26" 149.0
Graze Path of component #2 0.65km South, and 0.6 secs. later cf. primary.
Graze Path of component #3 20.70km North, and 68.4 secs. later cf. primary.
Librations Long -0.44 Lat +4.44
P +12.6 D -4.2
Illumination of moon 88%+
Elongation of Moon 140
Vertical Profile Scale 1.89 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.32 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
11.3 5.5 6.9 7.7 8.2 8.6 8.8 9.0
13.3 5.5 7.0 7.8 8.3 8.6 8.9 9.1
15.3 5.5 7.0 7.8 8.3 8.6 8.9 9.1
17.3 5.5 7.0 7.8 8.3 8.7 8.9 9.1
19.3 5.5 7.0 7.8 8.3 8.7 8.9 9.1
Lunar Limb Profile
