Grazing Occultation of 570 A2 Magnitude 7.0 [Red = 6.9] Date: 2010 Mar 21 3h 3m, to 2010 Mar 21 3h 12m Nominal site altitude 300m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' o ' h m s Alt Alt Az o o o -122 0.00 36 48.19 3 3 6 -9 50 264 0.84 356.2 9.46 10.36N -121 54.00 36 46.96 3 3 15 -10 50 265 0.84 356.2 9.49 10.38N -121 48.00 36 45.73 3 3 24 -10 50 265 0.85 356.2 9.52 10.41N -121 42.00 36 44.49 3 3 33 -10 50 265 0.85 356.2 9.54 10.43N -121 36.00 36 43.25 3 3 42 -10 50 265 0.85 356.3 9.57 10.46N -121 30.00 36 41.99 3 3 51 -10 49 265 0.86 356.3 9.59 10.48N -121 24.00 36 40.73 3 3 59 -10 49 265 0.86 356.3 9.62 10.51N -121 18.00 36 39.47 3 4 8 -10 49 265 0.86 356.3 9.64 10.53N -121 12.00 36 38.19 3 4 17 -10 49 265 0.87 356.4 9.66 10.56N -121 6.00 36 36.91 3 4 26 -10 49 265 0.87 356.4 9.69 10.58N -121 0.00 36 35.63 3 4 34 -11 49 266 0.87 356.4 9.71 10.61N -120 54.00 36 34.34 3 4 43 -11 49 266 0.88 356.4 9.74 10.63N -120 48.00 36 33.04 3 4 52 -11 49 266 0.88 356.4 9.76 10.66N -120 42.00 36 31.73 3 5 1 -11 49 266 0.88 356.5 9.79 10.68N -120 36.00 36 30.42 3 5 9 -11 48 266 0.89 356.5 9.81 10.70N -120 30.00 36 29.10 3 5 18 -11 48 266 0.89 356.5 9.83 10.73N -120 24.00 36 27.77 3 5 27 -11 48 266 0.89 356.5 9.86 10.75N -120 18.00 36 26.44 3 5 35 -11 48 266 0.90 356.6 9.88 10.78N -120 12.00 36 25.10 3 5 44 -11 48 266 0.90 356.6 9.91 10.80N -120 6.00 36 23.76 3 5 53 -12 48 267 0.90 356.6 9.93 10.82N -120 0.00 36 22.41 3 6 1 -12 48 267 0.91 356.6 9.95 10.85N -119 54.00 36 21.05 3 6 10 -12 48 267 0.91 356.7 9.98 10.87N -119 48.00 36 19.68 3 6 18 -12 48 267 0.91 356.7 10.00 10.89N -119 42.00 36 18.31 3 6 27 47 267 0.92 356.7 10.03 10.92N -119 36.00 36 16.94 3 6 35 47 267 0.92 356.7 10.05 10.94N -119 30.00 36 15.55 3 6 44 47 267 0.92 356.8 10.07 10.97N -119 24.00 36 14.16 3 6 53 47 267 0.93 356.8 10.10 10.99N -119 18.00 36 12.77 3 7 1 47 267 0.93 356.8 10.12 11.01N -119 12.00 36 11.36 3 7 10 47 268 0.93 356.8 10.14 11.04N -119 6.00 36 9.95 3 7 18 47 268 0.94 356.9 10.17 11.06N -119 0.00 36 8.54 3 7 27 47 268 0.94 356.9 10.19 11.08N -118 54.00 36 7.12 3 7 35 47 268 0.94 356.9 10.21 11.10N -118 48.00 36 5.69 3 7 43 47 268 0.95 356.9 10.23 11.13N -118 42.00 36 4.25 3 7 52 46 268 0.95 356.9 10.26 11.15N -118 36.00 36 2.81 3 8 0 46 268 0.96 357.0 10.28 11.17N -118 30.00 36 1.36 3 8 9 46 268 0.96 357.0 10.30 11.20N -118 24.00 35 59.91 3 8 17 46 268 0.96 357.0 10.33 11.22N -118 18.00 35 58.45 3 8 26 46 269 0.97 357.0 10.35 11.24N -118 12.00 35 56.98 3 8 34 46 269 0.97 357.1 10.37 11.26N -118 6.00 35 55.51 3 8 42 46 269 0.97 357.1 10.39 11.29N -118 0.00 35 54.03 3 8 51 46 269 0.98 357.1 10.42 11.31N -117 54.00 35 52.54 3 8 59 46 269 0.98 357.1 10.44 11.33N -117 48.00 35 51.05 3 9 7 45 269 0.99 357.1 10.46 11.35N -117 42.00 35 49.55 3 9 16 45 269 0.99 357.2 10.48 11.38N -117 36.00 35 48.05 3 9 24 45 269 0.99 357.2 10.51 11.40N -117 30.00 35 46.54 3 9 32 45 269 1.00 357.2 10.53 11.42N -117 24.00 35 45.02 3 9 40 45 270 1.00 357.2 10.55 11.44N -117 18.00 35 43.50 3 9 49 45 270 1.00 357.3 10.57 11.47N -117 12.00 35 41.97 3 9 57 45 270 1.01 357.3 10.59 11.49N -117 6.00 35 40.43 3 10 5 45 270 1.01 357.3 10.62 11.51N -117 0.00 35 38.89 3 10 13 45 270 1.02 357.3 10.64 11.53N -116 54.00 35 37.34 3 10 21 44 270 1.02 357.3 10.66 11.55N -116 48.00 35 35.79 3 10 30 44 270 1.02 357.4 10.68 11.57N -116 42.00 35 34.23 3 10 38 44 270 1.03 357.4 10.70 11.60N -116 36.00 35 32.66 3 10 46 44 270 1.03 357.4 10.72 11.62N -116 30.00 35 31.09 3 10 54 44 270 1.04 357.4 10.75 11.64N -116 24.00 35 29.51 3 11 2 44 271 1.04 357.5 10.77 11.66N -116 18.00 35 27.93 3 11 10 44 271 1.04 357.5 10.79 11.68N -116 12.00 35 26.34 3 11 18 44 271 1.05 357.5 10.81 11.70N -116 6.00 35 24.74 3 11 26 44 271 1.05 357.5 10.83 11.72N -116 0.00 35 23.14 3 11 35 43 271 1.06 357.5 10.85 11.75N Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Librations Long -6.86 Lat -4.60 P +10.72 D +3.58 Illumination of moon 25%+ Elongation of Moon 60 Vertical Profile Scale 1.91 km/arcsec at mean distance of moon Horizontal Scale Factor 1.50 deg/min At longitude -119.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 7.1 6.0 7.5 8.3 8.9 9.3 9.6 9.9 9.1 6.1 7.5 8.4 8.9 9.3 9.6 9.9 11.1 6.1 7.5 8.4 8.9 9.3 9.6 9.9 13.1 6.1 7.5 8.4 8.9 9.4 9.7 9.9 15.1 6.1 7.6 8.4 9.0 9.4 9.7 10.0 Results of Observer Scan UT Site Long. Lat. Dist. h m s cabrillo -121.9 37.0 23km 3 3 12 PonderosaCamp -121.4 36.0 73km 3 4 1 Grazing Occultation of 570 A2 Magnitude 7.0 [Red = 6.9] Date: 2010 Mar 21 3h 7m, to 2010 Mar 21 3h 12m Nominal site altitude 358.8m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' o ' h m s Alt Alt Az o o o -119 0.00 36 8.53 3 7 27 47 268 0.94 356.9 10.19 11.08N -118 54.00 36 7.11 3 7 35 47 268 0.94 356.9 10.21 11.11N -118 48.00 36 5.68 3 7 44 47 268 0.95 356.9 10.23 11.13N -118 42.00 36 4.24 3 7 52 46 268 0.95 356.9 10.26 11.15N -118 36.00 36 2.80 3 8 0 46 268 0.96 357.0 10.28 11.17N -118 30.00 36 1.35 3 8 9 46 268 0.96 357.0 10.30 11.20N -118 24.00 35 59.90 3 8 17 46 268 0.96 357.0 10.33 11.22N -118 18.00 35 58.44 3 8 26 46 269 0.97 357.0 10.35 11.24N -118 12.00 35 56.97 3 8 34 46 269 0.97 357.1 10.37 11.26N -118 6.00 35 55.50 3 8 42 46 269 0.97 357.1 10.39 11.29N -118 0.00 35 54.02 3 8 51 46 269 0.98 357.1 10.42 11.31N -117 54.00 35 52.53 3 8 59 46 269 0.98 357.1 10.44 11.33N -117 48.00 35 51.04 3 9 7 45 269 0.99 357.1 10.46 11.35N -117 42.00 35 49.54 3 9 16 45 269 0.99 357.2 10.48 11.38N -117 36.00 35 48.04 3 9 24 45 269 0.99 357.2 10.51 11.40N -117 30.00 35 46.53 3 9 32 45 269 1.00 357.2 10.53 11.42N -117 24.00 35 45.01 3 9 40 45 270 1.00 357.2 10.55 11.44N -117 18.00 35 43.49 3 9 49 45 270 1.00 357.3 10.57 11.47N -117 12.00 35 41.96 3 9 57 45 270 1.01 357.3 10.59 11.49N -117 6.00 35 40.42 3 10 5 45 270 1.01 357.3 10.62 11.51N -117 0.00 35 38.88 3 10 13 45 270 1.02 357.3 10.64 11.53N -116 54.00 35 37.33 3 10 22 44 270 1.02 357.3 10.66 11.55N -116 48.00 35 35.78 3 10 30 44 270 1.02 357.4 10.68 11.57N -116 42.00 35 34.22 3 10 38 44 270 1.03 357.4 10.70 11.60N -116 36.00 35 32.65 3 10 46 44 270 1.03 357.4 10.72 11.62N -116 30.00 35 31.08 3 10 54 44 270 1.04 357.4 10.75 11.64N -116 24.00 35 29.50 3 11 2 44 271 1.04 357.5 10.77 11.66N -116 18.00 35 27.92 3 11 10 44 271 1.04 357.5 10.79 11.68N -116 12.00 35 26.33 3 11 18 44 271 1.05 357.5 10.81 11.70N -116 6.00 35 24.73 3 11 27 44 271 1.05 357.5 10.83 11.72N -116 0.00 35 23.13 3 11 35 43 271 1.06 357.5 10.85 11.75N Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Librations Long -6.88 Lat -4.60 P +11.06 D +3.53 Illumination of moon 25%+ Elongation of Moon 60 Vertical Profile Scale 1.91 km/arcsec at mean distance of moon Horizontal Scale Factor 1.52 deg/min At longitude -117.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 7.4 6.0 7.5 8.3 8.9 9.3 9.6 9.8 9.4 6.0 7.5 8.3 8.9 9.3 9.6 9.9 11.4 6.1 7.5 8.4 8.9 9.3 9.6 9.9 13.4 6.1 7.5 8.4 8.9 9.3 9.6 9.9 15.4 6.1 7.6 8.4 9.0 9.4 9.7 9.9 Results of Observer Scan UT Site Long. Lat. Dist. h m s Armstrong -123.0 38.6 168km 3 1 36 cabrillo -121.9 37.0 23km 3 3 12 Carrizo Caliente campsite -119.9 35.1 129km 3 6 14 PonderosaCamp -121.4 36.0 73km 3 4 1