Grazing Occultation of 1384cK0 Magnitude 7.2 [Red = 6.7] Date: 2013 Apr 20 5h 10m, to 2013 Apr 20 5h 23m Nominal site altitude 211m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' o ' h m s Alt Alt Az o o o -125 0.00 39 56.39 5 10 3 55 218 0.71 27.8 9.88 11.93N -124 45.00 39 47.72 5 10 41 55 218 0.71 27.8 9.90 11.96N -124 30.00 39 39.02 5 11 19 55 219 0.71 27.8 9.93 11.98N -124 15.00 39 30.28 5 11 56 54 220 0.72 27.8 9.95 12.00N -124 0.00 39 21.52 5 12 34 54 220 0.72 27.8 9.97 12.02N -123 45.00 39 12.72 5 13 12 54 221 0.72 27.9 9.99 12.04N -123 30.00 39 3.89 5 13 50 54 222 0.72 27.9 10.01 12.07N -123 15.00 38 55.03 5 14 28 54 223 0.73 27.9 10.03 12.08N -123 0.00 38 46.14 5 15 7 54 223 0.73 27.9 10.05 12.10N -122 45.00 38 37.22 5 15 45 54 224 0.73 27.9 10.07 12.12N -122 30.00 38 28.28 5 16 24 54 225 0.74 28.0 10.09 12.14N -122 15.00 38 19.31 5 17 2 54 225 0.74 28.0 10.10 12.15N -122 0.00 38 10.31 5 17 41 53 226 0.74 28.0 10.12 12.17N -121 45.00 38 1.29 5 18 19 53 227 0.75 28.0 10.13 12.18N -121 30.00 37 52.25 5 18 58 53 228 0.75 28.0 10.15 12.20N -121 15.00 37 43.19 5 19 37 53 228 0.75 28.0 10.16 12.21N -121 0.00 37 34.10 5 20 15 53 229 0.76 28.0 10.17 12.22N -120 45.00 37 25.00 5 20 54 53 230 0.76 28.1 10.18 12.23N -120 30.00 37 15.87 5 21 33 53 230 0.77 28.1 10.19 12.24N -120 15.00 37 6.73 5 22 12 52 231 0.77 28.1 10.20 12.25N -120 0.00 36 57.58 5 22 51 52 232 0.77 28.1 10.21 12.26N 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 [Estimated] 1384 is double: This next pair is not confirmed ** 8.2 8.2 0.050" 81.0** (OCc 933) Graze path of ? 0.07 km south, and 0.1 secs later compared to the primary Librations Long -6.20 Lat +7.33 P +9.36 D -8.04 Illumination of moon 66%+ Elongation of Moon 109 Vertical Profile Scale 2.27 km/arcsec at mean distance of moon Horizontal Scale Factor 1.38 deg/min At longitude -122.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 8.1 5.7 7.2 8.0 8.5 8.9 9.1 9.3 10.1 5.7 7.2 8.0 8.5 8.9 9.2 9.4 12.1 5.7 7.2 8.0 8.5 8.9 9.2 9.4 14.1 5.8 7.2 8.0 8.5 8.9 9.2 9.4 16.1 5.8 7.2 8.0 8.6 8.9 9.2 9.4 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 09195+0947OCC 933 0 8.2 8.2 -015+004 +10 1972 091930.56+094724.5 ------------------------------------------------ Interferometric catalogue entries 091930.56+094724.5 BD+10 1972 OCC 933 HD 80339 HIP 45740 09195+0947 Date PA Sep M1 M2 1995. V 81. . 0.05 . 8.2 . 8.2 . 1 OCC2002 O ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Cabrillo College -121.9 37.0 100km 5 17 52