Predictions for Grazing Occultation of ZC 1441, 2009 Jun 26
Grazing Occultation of 1441cA7 Magnitude 6.4 [Red = 6.3]
R1441 = 19 Leonis
Date: 2009 Jun 26 11h 11m, to 2009 Jun 26 11h 15m
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
115 0 0 -30 43 0 11 11 5 26 303 2.07 34.8 16.73 13.74N
115 12 0 -30 48 52 11 11 18 26 303 2.09 34.7 16.68 13.68N
115 24 0 -30 54 42 11 11 31 25 303 2.11 34.7 16.63 13.63N
115 36 0 -31 0 29 11 11 43 25 302 2.14 34.6 16.58 13.58N
115 48 0 -31 6 14 11 11 55 25 302 2.16 34.6 16.53 13.53N
116 0 0 -31 11 58 11 12 7 25 302 2.18 34.5 16.48 13.48N
116 12 0 -31 17 39 11 12 19 24 302 2.21 34.5 16.43 13.43N
116 24 0 -31 23 18 11 12 31 24 302 2.23 34.4 16.38 13.38N
116 36 0 -31 28 55 11 12 43 24 302 2.25 34.4 16.32 13.33N
116 48 0 -31 34 31 11 12 54 24 302 2.28 34.3 16.27 13.28N
117 0 0 -31 40 4 11 13 6 23 301 2.30 34.3 16.22 13.23N
117 12 0 -31 45 35 11 13 17 23 301 2.33 34.2 16.17 13.17N
117 24 0 -31 51 4 11 13 28 23 301 2.35 34.2 16.12 13.12N
117 36 0 -31 56 31 11 13 39 23 301 2.38 34.1 16.07 13.07N
117 48 0 -32 1 56 11 13 50 23 301 2.41 34.1 16.03 13.04N
118 0 0 -32 7 19 11 14 1 22 301 2.43 34.1 15.98 12.99N
118 12 0 -32 12 40 11 14 11 22 301 2.46 34.0 15.93 12.94N
118 24 0 -32 18 0 11 14 22 22 300 2.49 34.0 15.88 12.89N
118 36 0 -32 23 17 11 14 32 22 300 2.52 33.9 15.84 12.84N
118 48 0 -32 28 32 11 14 42 21 300 2.55 33.9 15.79 12.79N
119 0 0 -32 33 46 11 14 53 21 300 2.57 33.8 15.74 12.74N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
1441 is double:
AB 6.4 0.14" 21.8 Graze path of B 0.27 km south, and 0.1 secs earlier compared to A
Librations Long +4.23 Lat +2.54
P +16.35 D -1.00
Illumination of moon 18%+
Elongation of Moon 50
Vertical Profile Scale 1.94 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.77 deg/min
At longitude 117.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
9.2 6.1 7.6 8.4 8.9 9.3 9.6 9.8
11.2 6.1 7.6 8.4 9.0 9.4 9.6 9.9
13.2 6.2 7.7 8.5 9.0 9.4 9.7 9.9
15.2 6.2 7.7 8.5 9.1 9.5 9.7 10.0
17.2 6.3 7.8 8.6 9.1 9.5 9.8 10.0
Lunar Limb Profile - Perth