Grazing Occultation of 110502 F0 Magnitude 7.6 [Red = 7.4] Date: 2019 Apr 07 3h 9m, to 2019 Apr 07 3h 11m Nominal site altitude 440.1312m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o -123 0 0 36 50 39.1 3 9 28 -7 10 273 5.49 162.2 180.71 13.00S -122 52 30 36 49 57.8 3 9 30 -7 10 273 5.55 162.2 180.73 12.98S -122 45 0 36 49 16.2 3 9 33 -7 10 273 5.61 162.3 180.75 12.96S -122 37 30 36 48 34.3 3 9 36 -7 10 273 5.67 162.3 180.77 12.94S -122 30 0 36 47 52.1 3 9 39 -7 10 273 5.74 162.3 180.78 12.93S -122 22 30 36 47 9.5 3 9 41 -7 10 274 5.80 162.3 180.80 12.91S -122 15 0 36 46 26.6 3 9 44 -8 10 274 5.87 162.3 180.82 12.89S -122 7 30 36 45 43.4 3 9 47 -8 10 274 5.94 162.4 180.83 12.87S -122 0 0 36 44 59.9 3 9 49 -8 9 274 6.01 162.4 180.85 12.86S -121 52 30 36 44 16.1 3 9 52 -8 9 274 6.08 162.4 180.87 12.84S -121 45 0 36 43 31.9 3 9 54 -8 9 274 6.15 162.4 180.89 12.82S -121 37 30 36 42 47.4 3 9 57 -8 9 274 6.23 162.4 180.90 12.81S -121 30 0 36 42 2.6 3 9 59 -8 9 274 6.30 162.4 180.92 12.79S -121 22 30 36 41 17.5 3 10 2 -8 9 274 6.38 162.5 180.94 12.77S -121 15 0 36 40 32.1 3 10 4 -8 9 274 6.46 162.5 180.95 12.76S -121 7 30 36 39 46.4 3 10 7 -9 9 274 6.55 162.5 180.97 12.74S -121 0 0 36 39 0.3 3 10 9 -9 9 274 6.63 162.5 180.99 12.72S -120 52 30 36 38 14.0 3 10 11 -9 8 274 6.72 162.5 181.00 12.70S -120 45 0 36 37 27.3 3 10 14 -9 8 275 6.81 162.5 181.02 12.69S -120 37 30 36 36 40.3 3 10 16 -9 8 275 6.90 162.6 181.04 12.67S -120 30 0 36 35 53.0 3 10 18 -9 8 275 6.99 162.6 181.05 12.65S -120 22 30 36 35 5.4 3 10 21 -9 8 275 7.09 162.6 181.07 12.64S -120 15 0 36 34 17.5 3 10 23 -9 8 275 7.19 162.6 181.09 12.62S -120 7 30 36 33 29.3 3 10 25 -9 8 275 7.29 162.6 181.10 12.61S -120 0 0 36 32 40.8 3 10 27 -9 8 275 7.39 162.6 181.12 12.59S -119 52 30 36 31 51.9 3 10 29 -10 8 275 7.50 162.7 181.14 12.57S -119 45 0 36 31 2.8 3 10 32 -10 7 275 7.61 162.7 181.15 12.56S -119 37 30 36 30 13.3 3 10 34 -10 7 275 7.72 162.7 181.17 12.54S -119 30 0 36 29 23.6 3 10 36 -10 7 275 7.84 162.7 181.19 12.52S -119 22 30 36 28 33.5 3 10 38 -10 7 275 7.96 162.7 181.20 12.51S -119 15 0 36 27 43.2 3 10 40 -10 7 276 8.08 162.7 181.22 12.49S -119 7 30 36 26 52.5 3 10 42 -10 7 276 8.21 162.8 181.23 12.48S -119 0 0 36 26 1.5 3 10 44 -10 7 276 8.34 162.8 181.25 12.46S -118 52 30 36 25 10.3 3 10 46 -10 7 276 8.47 162.8 181.27 12.44S -118 45 0 36 24 18.7 3 10 48 -11 7 276 8.61 162.8 181.28 12.43S -118 37 30 36 23 26.8 3 10 50 -11 7 276 8.76 162.8 181.30 12.41S -118 30 0 36 22 34.7 3 10 52 -11 6 276 8.91 162.8 181.31 12.40S -118 22 30 36 21 42.2 3 10 53 -11 6 276 9.06 162.8 181.33 12.38S -118 15 0 36 20 49.4 3 10 55 -11 6 276 9.22 162.9 181.34 12.36S -118 7 30 36 19 56.4 3 10 57 -11 6 276 9.38 162.9 181.36 12.35S -118 0 0 36 19 3.0 3 10 59 -11 6 276 9.56 162.9 181.38 12.33S Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. The path is adjusted for the effects of refraction at low moon altitudes. Librations Long -6.02 Lat +6.59 P +180.33 D +6.96 Illumination of moon 3%+ Elongation of Moon 20 Vertical Profile Scale approx. 1.93 km/arcsec at mean distance of moon Horizontal Scale Factor 1.90 deg/min At longitude -120.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 8.7 4.4 5.8 6.5 6.9 7.1 7.3 7.4 10.7 4.4 5.8 6.5 6.9 7.1 7.3 7.4 12.7 4.4 5.8 6.5 6.9 7.1 7.3 7.4 14.7 4.4 5.8 6.5 6.9 7.1 7.3 7.4 16.7 4.4 5.8 6.5 6.9 7.1 7.3 7.4 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Cabrillo -121.9 37.0 28km 3 9 50.1