Grazing Occultation of 1079 K2 Magnitude 8.6 [Red = 7.9] Date: 2008 Apr 12 5h 2m, to 2008 Apr 12 5h 6m Nominal site altitude 700m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' o ' h m s Alt Alt Az o o o -121 0.00 36 3.01 5 1 49 48 270 0.92 21.7 16.40 15.66N -120 54.00 35 59.01 5 2 0 47 270 0.92 21.8 16.41 15.68N -120 48.00 35 55.02 5 2 12 47 271 0.92 21.8 16.42 15.69N -120 42.00 35 51.01 5 2 23 47 271 0.93 21.8 16.44 15.70N -120 36.00 35 47.00 5 2 34 47 271 0.93 21.8 16.45 15.71N -120 30.00 35 42.99 5 2 46 47 271 0.94 21.8 16.46 15.72N -120 24.00 35 38.97 5 2 57 47 271 0.94 21.8 16.47 15.73N -120 18.00 35 34.94 5 3 8 47 271 0.94 21.8 16.48 15.74N -120 12.00 35 30.91 5 3 20 47 272 0.95 21.8 16.49 15.76N -120 6.00 35 26.87 5 3 31 46 272 0.95 21.8 16.50 15.77N -120 0.00 35 22.82 5 3 42 46 272 0.96 21.9 16.51 15.78N -119 54.00 35 18.77 5 3 54 46 272 0.96 21.9 16.52 15.79N -119 48.00 35 14.71 5 4 5 46 272 0.96 21.9 16.53 15.80N -119 42.00 35 10.65 5 4 16 46 272 0.97 21.9 16.54 15.81N -119 36.00 35 6.59 5 4 27 46 272 0.97 21.9 16.55 15.82N -119 30.00 35 2.51 5 4 38 46 273 0.98 21.9 16.56 15.83N -119 24.00 34 58.43 5 4 50 46 273 0.98 21.9 16.57 15.84N -119 18.00 34 54.35 5 5 1 45 273 0.98 21.9 16.58 15.85N -119 12.00 34 50.26 5 5 12 45 273 0.99 21.9 16.59 15.85N -119 6.00 34 46.17 5 5 23 45 273 0.99 21.9 16.60 15.86N -119 0.00 34 42.07 5 5 34 45 273 1.00 22.0 16.61 15.87N Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Librations Long +5.04 Lat -3.96 P +16.15 D +5.49 Illumination of moon 43%+ Elongation of Moon 82 Vertical Profile Scale 2.04 km/arcsec at mean distance of moon Horizontal Scale Factor 1.68 deg/min At longitude -120.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 11.8 5.9 7.4 8.2 8.7 9.1 9.4 9.6 13.8 5.9 7.4 8.2 8.7 9.1 9.4 9.6 15.8 5.9 7.4 8.2 8.7 9.1 9.4 9.6 17.8 5.9 7.4 8.2 8.8 9.1 9.4 9.6 19.8 5.9 7.4 8.2 8.8 9.2 9.4 9.7 Results of Observer Scan UT Site Long. Lat. Dist. h m s Armstrong -123.0 38.6 102km 4 57 58 cabrillo -121.9 37.0 28km 5 0 2 Carrizo Caliente campsite -119.9 35.1 13km 5 3 58 PonderosaCamp -121.4 36.0 26km 5 1 5