Predictions for Grazing Occultation of Antares, ZC 2366, 2007 May 4
Grazing Occultation of 2366 dM1 Magnitude 1.1v
2366 = Antares = alpha Scorpii
Date 2007 May 4 (Friday) 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
143 0 0 -40 1 37 19 26 28 47 273 0.93 2.8 354.30 15.82N
143 10 0 -39 58 58 19 26 46 47 272 0.94 2.7 354.25 15.86N
143 20 0 -39 56 19 19 27 3 47 272 0.94 2.7 354.21 15.90N
143 30 0 -39 53 37 19 27 21 46 272 0.95 2.7 354.17 15.95N
143 40 0 -39 50 55 19 27 38 46 272 0.96 2.6 354.13 15.99N
143 50 0 -39 48 12 19 27 55 46 272 0.96 2.6 354.09 16.03N
144 0 0 -39 45 27 19 28 12 46 271 0.97 2.5 354.04 16.07N
144 10 0 -39 42 41 19 28 29 46 271 0.98 2.5 354.00 16.11N
144 20 0 -39 39 54 19 28 47 46 271 0.98 2.4 353.96 16.15N
144 30 0 -39 37 6 19 29 4 45 271 0.99 2.4 353.92 16.20N
144 40 0 -39 34 16 19 29 21 45 271 0.99 2.4 353.88 16.24N
144 50 0 -39 31 25 19 29 37 45 270 1.00 2.3 353.84 16.28N
145 0 0 -39 28 33 19 29 54 45 270 1.01 2.3 353.80 16.32N
145 10 0 -39 25 40 19 30 11 45 270 1.01 2.2 353.76 16.36N
145 20 0 -39 22 46 19 30 28 44 270 1.02 2.2 353.72 16.40N
145 30 0 -39 19 50 19 30 45 44 270 1.03 2.2 353.68 16.44N
145 40 0 -39 16 54 19 31 1 44 269 1.03 2.1 353.64 16.48N
145 50 0 -39 13 56 19 31 18 44 269 1.04 2.1 353.60 16.52N
146 0 0 -39 10 57 19 31 34 44 269 1.05 2.0 353.56 16.56N
146 10 0 -39 7 56 19 31 51 44 269 1.05 2.0 353.52 16.60N
146 20 0 -39 4 55 19 32 7 43 269 1.06 2.0 353.48 16.63N
146 30 0 -39 1 52 19 32 24 43 268 1.07 1.9 353.44 16.67N
146 40 0 -38 58 49 19 32 40 43 268 1.07 1.9 353.40 16.71N
146 50 0 -38 55 44 19 32 56 43 268 1.08 1.8 353.36 16.75N
147 0 0 -38 52 38 19 33 13 43 268 1.09 1.8 353.33 16.79N
147 10 0 -38 49 31 19 33 29 42 268 1.09 1.8 353.29 16.83N
147 20 0 -38 46 22 19 33 45 42 267 1.10 1.7 353.25 16.86N
147 30 0 -38 43 13 19 34 1 42 267 1.11 1.7 353.21 16.90N
147 40 1 -38 40 2 19 34 17 42 267 1.12 1.7 353.18 16.94N
147 50 1 -38 36 50 19 34 33 42 267 1.12 1.6 353.14 16.97N
Path coordinates are referred to WGS84 (as used by GPS).
2366 is double : 0.9 5.4 2.5" 273.7
Graze Path of component #2 0.17km South, and 6.3 secs. earlier cf. primary.
2366 = alf Sco, 0.88 to 1.16 V , Type LC
Librations Long -5.33 Lat +6.35
P +352.6 D -5.4
Illumination of moon 95%-
Elongation of Moon 154
Vertical Profile Scale 1.93 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.52 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
13.0 4.6 6.1 6.8 7.3 7.6 7.9 8.0
15.0 4.8 6.3 7.1 7.5 7.9 8.1 8.3
17.0 5.1 6.6 7.4 7.8 8.2 8.4 8.6
19.0 5.4 6.8 7.6 8.1 8.4 8.6 8.8
21.0 5.4 6.8 7.6 8.1 8.4 8.6 8.8
Lunar Limb Profile
