Grazing Occultation of 1149 wK5 Magnitude 4.1s 1149 = upsilon Geminorum Date 2005 April 16 (Saturday) Nominal site altitude 1000m E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA o ' o ' h m s Alt Alt Az o o o -118 30.0 35 19.2 4 47 25 52 270 0.79 22.0 12.79 13.07N -118 26.0 35 16.6 4 47 34 52 270 0.79 22.0 12.80 13.08N -118 22.0 35 14.0 4 47 42 52 270 0.79 22.0 12.82 13.09N -118 18.0 35 11.4 4 47 51 52 270 0.79 22.0 12.83 13.10N -118 14.0 35 8.7 4 48 0 52 270 0.79 22.0 12.84 13.12N -118 10.0 35 6.1 4 48 9 51 270 0.80 22.0 12.85 13.13N -118 6.0 35 3.5 4 48 18 51 271 0.80 22.0 12.86 13.14N -118 2.0 35 0.8 4 48 27 51 271 0.80 22.0 12.87 13.15N -117 58.0 34 58.2 4 48 35 51 271 0.80 22.1 12.88 13.16N -117 54.0 34 55.5 4 48 44 51 271 0.81 22.1 12.89 13.17N -117 50.0 34 52.8 4 48 53 51 271 0.81 22.1 12.90 13.18N -117 46.0 34 50.2 4 49 2 51 271 0.81 22.1 12.91 13.19N -117 42.0 34 47.5 4 49 11 51 271 0.81 22.1 12.92 13.20N -117 38.0 34 44.9 4 49 19 51 271 0.82 22.1 12.93 13.21N -117 34.0 34 42.2 4 49 28 51 271 0.82 22.1 12.95 13.22N -117 30.0 34 39.5 4 49 37 51 272 0.82 22.1 12.96 13.23N Path coordinates are referred to WGS84 (as used by GPS). 1149 is double : 4.0 13.2 46" 46.0 Graze Path of component #2 79.30km South, and 49.3 secs. later cf. primary. 1149 = NSV 03652, 4.04 to 4.08 V , Type Librations Long +0.17 Lat -6.51 P +12.9 D +6.6 Illumination of moon 46%+ Elongation of Moon 85 Vertical Profile Scale 1.98 km/arcsec at mean distance of moon Horizontal Scale Factor 1.46 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 9.2 5.9 7.4 8.2 8.7 9.1 9.4 9.6 11.2 5.9 7.4 8.2 8.7 9.1 9.4 9.6 13.2 5.9 7.4 8.2 8.7 9.1 9.4 9.6 15.2 5.9 7.4 8.2 8.8 9.1 9.4 9.6 17.2 5.9 7.4 8.2 8.8 9.1 9.4 9.7 Grazing Occultation of 1149 wK5 Magnitude 4.1s 1149 = upsilon Geminorum Date 2005 April 16 (Saturday) Nominal site altitude 900m E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA o ' o ' h m s Alt Alt Az o o o -118 30.0 35 19.3 4 47 25 52 270 0.79 22.0 12.79 13.07N -118 26.0 35 16.7 4 47 34 52 270 0.79 22.0 12.80 13.08N -118 22.0 35 14.0 4 47 42 52 270 0.79 22.0 12.81 13.09N -118 18.0 35 11.4 4 47 51 52 270 0.79 22.0 12.83 13.10N -118 14.0 35 8.8 4 48 0 52 270 0.79 22.0 12.84 13.11N -118 10.0 35 6.1 4 48 9 51 270 0.80 22.0 12.85 13.13N -118 6.0 35 3.5 4 48 18 51 271 0.80 22.0 12.86 13.14N -118 2.0 35 0.8 4 48 26 51 271 0.80 22.0 12.87 13.15N -117 58.0 34 58.2 4 48 35 51 271 0.80 22.1 12.88 13.16N -117 54.0 34 55.5 4 48 44 51 271 0.81 22.1 12.89 13.17N -117 50.0 34 52.9 4 48 53 51 271 0.81 22.1 12.90 13.18N -117 46.0 34 50.2 4 49 2 51 271 0.81 22.1 12.91 13.19N -117 42.0 34 47.6 4 49 10 51 271 0.81 22.1 12.92 13.20N Path coordinates are referred to WGS84 (as used by GPS). 1149 is double : 4.0 13.2 46" 46.0 Graze Path of component #2 79.28km South, and 49.5 secs. later cf. primary. 1149 = NSV 03652, 4.04 to 4.08 V , Type Librations Long +0.18 Lat -6.51 P +12.9 D +6.6 Illumination of moon 46%+ Elongation of Moon 85 Vertical Profile Scale 1.98 km/arcsec at mean distance of moon Horizontal Scale Factor 1.46 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 9.2 5.9 7.4 8.2 8.7 9.1 9.4 9.6 11.2 5.9 7.4 8.2 8.7 9.1 9.4 9.6 13.2 5.9 7.4 8.2 8.7 9.1 9.4 9.6 15.2 5.9 7.4 8.2 8.8 9.1 9.4 9.6 17.2 5.9 7.4 8.2 8.8 9.2 9.4 9.7