This is a daytime occultation
Grazing Occultation of 2366 dM1 Magnitude 1.1v 2366 = Antares = alpha Scorpii Date 2005 November 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 114 0 0 -30 53 18 8 3 35 34 62 271 0.52 190.0 182.19 6.92S 114 10 0 -30 52 37 8 3 52 34 62 271 0.53 189.9 182.13 6.98S 114 20 0 -30 51 54 8 4 10 34 62 271 0.53 189.8 182.07 7.05S 114 30 0 -30 51 9 8 4 28 34 62 271 0.54 189.8 182.00 7.11S 114 40 0 -30 50 23 8 4 45 33 62 270 0.54 189.7 181.94 7.18S 114 50 0 -30 49 35 8 5 3 33 61 270 0.55 189.6 181.87 7.24S 115 0 0 -30 48 45 8 5 20 33 61 270 0.55 189.6 181.81 7.31S 115 10 0 -30 47 55 8 5 38 33 61 270 0.56 189.5 181.74 7.37S 115 20 0 -30 47 2 8 5 55 33 61 270 0.56 189.5 181.68 7.43S 115 30 0 -30 46 8 8 6 13 32 60 270 0.57 189.4 181.62 7.50S 115 40 0 -30 45 13 8 6 30 32 60 270 0.57 189.3 181.55 7.56S 115 50 0 -30 44 16 8 6 47 32 60 269 0.58 189.3 181.49 7.62S 116 0 0 -30 43 17 8 7 4 32 60 269 0.58 189.2 181.43 7.69S 116 10 0 -30 42 17 8 7 22 32 60 269 0.59 189.1 181.37 7.75S 116 20 0 -30 41 16 8 7 39 31 59 269 0.59 189.1 181.30 7.81S 116 30 0 -30 40 13 8 7 56 31 59 269 0.60 189.0 181.24 7.87S 116 40 0 -30 39 8 8 8 13 31 59 269 0.60 189.0 181.18 7.94S 116 50 0 -30 38 2 8 8 30 31 59 269 0.60 188.9 181.12 8.00S 117 0 0 -30 36 55 8 8 47 31 59 268 0.61 188.8 181.06 8.06S 117 10 0 -30 35 46 8 9 4 30 58 268 0.61 188.8 180.99 8.12S 117 20 0 -30 34 36 8 9 21 30 58 268 0.62 188.7 180.93 8.18S 117 30 0 -30 33 24 8 9 38 30 58 268 0.62 188.6 180.87 8.24S 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 0.41km North, and 6.5 secs. earlier cf. primary. 2366 = alf Sco, 0.88 to 1.16 V , Type LC Librations Long -4.88 Lat +5.60 P +180.4 D +5.9 Illumination of moon 6%+ Elongation of Moon 28 Vertical Profile Scale 1.87 km/arcsec at mean distance of moon Horizontal Scale Factor 1.4 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 4.2 3.4 4.9 5.6 6.1 6.4 6.7 6.8 6.2 3.4 4.9 5.6 6.1 6.4 6.7 6.8 8.2 3.4 4.9 5.6 6.1 6.4 6.7 6.8 10.2 3.4 4.9 5.6 6.1 6.4 6.7 6.8 12.2 3.4 4.9 5.6 6.1 6.4 6.7 6.8