Grazing Occultation of 3177cA9 Magnitude 5.9 [Red = 5.7] R3177 = 44 Capricorni Date: 2008 Sep 13 3h 5m, to 2008 Sep 13 3h 13m Nominal site altitude 282m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o -124 15 0 37 36 10 3 5 22 -8 19 127 2.86 153.4 171.12 6.60S -124 0 0 37 39 30 3 5 43 -8 19 127 2.83 153.3 171.04 6.68S -123 45 0 37 42 58 3 6 4 -9 20 127 2.80 153.3 170.96 6.76S -123 30 0 37 46 33 3 6 26 -9 20 128 2.78 153.2 170.89 6.83S -123 15 0 37 50 16 3 6 48 -9 20 128 2.75 153.1 170.81 6.91S -123 0 0 37 54 7 3 7 11 -9 20 128 2.72 153.0 170.73 6.99S -122 45 0 37 58 5 3 7 34 -10 20 128 2.70 153.0 170.66 7.06S -122 30 0 38 2 12 3 7 57 -10 21 129 2.67 152.9 170.58 7.14S -122 15 0 38 6 27 3 8 20 -10 21 129 2.65 152.8 170.50 7.22S -122 0 0 38 10 50 3 8 44 -10 21 129 2.63 152.7 170.42 7.30S -121 45 0 38 15 21 3 9 8 -11 21 130 2.60 152.6 170.35 7.37S -121 30 0 38 20 1 3 9 33 -11 21 130 2.58 152.6 170.27 7.45S -121 15 0 38 24 49 3 9 57 -11 21 130 2.56 152.5 170.19 7.53S -121 0 0 38 29 46 3 10 22 -11 21 131 2.54 152.4 170.11 7.61S -120 45 0 38 34 51 3 10 48 -12 22 131 2.52 152.3 170.03 7.69S -120 30 0 38 40 5 3 11 14 -12 22 131 2.50 152.3 169.96 7.76S -120 15 0 38 45 28 3 11 40 22 132 2.48 152.2 169.88 7.84S -120 0 0 38 51 0 3 12 6 22 132 2.46 152.1 169.80 7.92S -119 45 0 38 56 41 3 12 33 22 132 2.45 152.0 169.72 8.00S -119 30 0 39 2 31 3 13 0 22 133 2.43 151.9 169.64 8.07S -119 15 0 39 8 30 3 13 27 23 133 2.41 151.9 169.57 8.15S Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Projected diameter of star 1 meters 3177 is double: AB 6.8 6.8 0.10" 90.0 Librations Long -4.73 Lat +0.23 P +170.34 D -0.31 Illumination of moon 94%+ Elongation of Moon 153 Vertical Profile Scale 4.33 km/arcsec at mean distance of moon Horizontal Scale Factor 1.51 deg/min At longitude -121.75: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 3.4 2.2 3.5 4.2 4.6 4.8 4.9 5.0 5.4 2.3 3.6 4.3 4.7 4.9 5.0 5.1 7.4 3.2 4.5 5.2 5.6 5.8 6.0 6.1 9.4 4.1 5.5 6.2 6.6 6.8 7.0 7.1 11.4 4.1 5.5 6.2 6.6 6.8 7.0 7.1 Results of Observer Scan UT Site Long. Lat. Dist. h m s IOTAWest -121.7 37.1 119km 3 9 13 BREIT IDEAS Obs - 12inch LX200 -121.7 37.1 119km 3 9 13