Predictions for Grazing Occultation of ZC 2366, 2007 Nov 11
Grazing Occultation of 2366 dM1 Magnitude 1.1v
2366 = Antares = alpha Scorpii
Date 2007 November 11 (Sunday) 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
169 30 0 -43 23 41 19 45 51 26 17 110 3.25 196.7 187.93 3.28S
169 40 0 -43 31 0 19 46 1 26 17 110 3.22 196.7 187.93 3.28S
169 50 0 -43 38 20 19 46 10 27 17 110 3.18 196.7 187.93 3.28S
170 0 0 -43 45 40 19 46 20 27 18 110 3.15 196.7 187.94 3.27S
170 10 0 -43 53 2 19 46 30 27 18 110 3.11 196.7 187.94 3.27S
170 20 0 -44 0 24 19 46 40 27 18 110 3.08 196.7 187.94 3.27S
170 30 0 -44 7 48 19 46 50 27 18 109 3.04 196.7 187.95 3.27S
170 40 0 -44 15 12 19 47 0 27 18 109 3.01 196.7 187.95 3.26S
170 50 0 -44 22 37 19 47 10 27 19 109 2.98 196.7 187.95 3.26S
171 0 0 -44 30 3 19 47 20 28 19 109 2.95 196.7 187.95 3.26S
171 10 0 -44 37 30 19 47 31 28 19 109 2.92 196.7 187.96 3.26S
171 20 0 -44 44 57 19 47 41 28 19 109 2.89 196.7 187.96 3.25S
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 1.43km North, and 4.8 secs. earlier cf. primary.
2366 = alf Sco, 0.88 to 1.16 V , Type LC
Librations Long -2.12 Lat +5.85
P +187.7 D +6.3
Illumination of moon 3%+
Elongation of Moon 21
Vertical Profile Scale 2.68 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.97 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
-0.7 1.6 2.9 3.6 3.9 4.1 4.3 4.4
1.3 1.6 3.0 3.6 3.9 4.2 4.3 4.4
3.3 1.6 3.0 3.6 3.9 4.2 4.3 4.4
5.3 1.6 3.0 3.6 3.9 4.2 4.3 4.4
7.3 1.6 3.0 3.6 3.9 4.2 4.3 4.4
Lunar Limb Profile
