Grazing Occultation of 1600 wA5 Magnitude 5.0 1600 = 59 Leonis Date 2007 November 4 (Sunday) Nominal site altitude 0m E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA o ' " o ' " h m s Alt Alt Az o o o 171 48 0 -41 23 26 15 31 18 6 77 10.31 207.9 187.01 5.26S 171 58 0 -41 23 44 15 31 24 6 77 10.06 208.0 187.05 5.30S 172 8 0 -41 24 5 15 31 29 6 77 9.82 208.0 187.08 5.33S 172 18 0 -41 24 28 15 31 35 6 77 9.59 208.0 187.12 5.37S 172 28 0 -41 24 54 15 31 41 6 76 9.37 208.1 187.15 5.40S 172 38 0 -41 25 21 15 31 47 6 76 9.16 208.1 187.19 5.44S 172 48 0 -41 25 52 15 31 54 6 76 8.96 208.1 187.23 5.47S 172 58 0 -41 26 24 15 32 0 7 76 8.76 208.2 187.26 5.51S 173 8 0 -41 26 59 15 32 6 7 76 8.58 208.2 187.30 5.55S 173 18 0 -41 27 37 15 32 13 7 76 8.40 208.2 187.34 5.58S 173 28 0 -41 28 17 15 32 20 7 76 8.23 208.3 187.37 5.62S 173 38 0 -41 29 0 15 32 27 7 76 8.07 208.3 187.41 5.66S 173 48 0 -41 29 45 15 32 34 7 75 7.91 208.4 187.45 5.69S 173 58 0 -41 30 32 15 32 41 7 75 7.76 208.4 187.48 5.73S 174 8 0 -41 31 23 15 32 48 7 75 7.61 208.4 187.52 5.77S 174 18 0 -41 32 16 15 32 56 8 75 7.47 208.5 187.56 5.81S 174 28 0 -41 33 11 15 33 3 8 75 7.34 208.5 187.60 5.84S 174 38 0 -41 34 9 15 33 11 8 75 7.21 208.5 187.63 5.88S 174 48 0 -41 35 10 15 33 19 8 75 7.08 208.6 187.67 5.92S 174 58 0 -41 36 14 15 33 27 8 74 6.96 208.6 187.71 5.96S 175 8 0 -41 37 20 15 33 35 8 74 6.84 208.7 187.75 6.00S 175 18 0 -41 38 29 15 33 43 8 74 6.72 208.7 187.79 6.03S 175 28 0 -41 39 41 15 33 52 9 74 6.61 208.7 187.83 6.07S 175 30 0 -41 39 55 15 33 54 9 74 6.59 208.7 187.83 6.08S 175 20 0 -41 38 43 15 33 45 8 74 6.70 208.7 187.79 6.04S 175 10 0 -41 37 33 15 33 37 8 74 6.81 208.7 187.76 6.00S 175 0 0 -41 36 27 15 33 29 8 74 6.93 208.6 187.72 5.97S 174 50 0 -41 35 23 15 33 21 8 75 7.05 208.6 187.68 5.93S 174 40 0 -41 34 21 15 33 13 8 75 7.18 208.6 187.64 5.89S 174 30 0 -41 33 23 15 33 5 8 75 7.31 208.5 187.60 5.85S 174 20 0 -41 32 27 15 32 57 8 75 7.45 208.5 187.57 5.81S 174 10 0 -41 31 33 15 32 50 8 75 7.59 208.4 187.53 5.78S 174 0 0 -41 30 42 15 32 42 7 75 7.73 208.4 187.49 5.74S 173 50 0 -41 29 54 15 32 35 7 75 7.88 208.4 187.45 5.70S 173 40 0 -41 29 9 15 32 28 7 75 8.04 208.3 187.42 5.66S 173 30 0 -41 28 25 15 32 21 7 76 8.20 208.3 187.38 5.63S 173 20 0 -41 27 45 15 32 14 7 76 8.37 208.3 187.34 5.59S 173 10 0 -41 27 7 15 32 8 7 76 8.54 208.2 187.31 5.55S 173 0 0 -41 26 31 15 32 1 7 76 8.73 208.2 187.27 5.52S 172 50 0 -41 25 58 15 31 55 6 76 8.92 208.1 187.23 5.48S 172 40 0 -41 25 27 15 31 49 6 76 9.12 208.1 187.20 5.45S 172 30 0 -41 24 59 15 31 42 6 76 9.32 208.1 187.16 5.41S 172 20 0 -41 24 33 15 31 36 6 77 9.54 208.0 187.13 5.37S 172 10 0 -41 24 9 15 31 31 6 77 9.77 208.0 187.09 5.34S 172 0 0 -41 23 48 15 31 25 6 77 10.01 208.0 187.05 5.30S 171 50 0 -41 23 29 15 31 19 6 77 10.26 207.9 187.02 5.27S Path coordinates are referred to WGS84 (as used by GPS). 1600 is double : 4.9 12.6 45" 220.0 Graze Path of component #2 223.72km North, and 20.2 secs. earlier cf. primary. Librations Long +6.68 Lat +0.24 P +187.0 D -0.3 Illumination of moon 23%- Elongation of Moon 58 Vertical Profile Scale 5.26 km/arcsec at mean distance of moon Horizontal Scale Factor 1.78 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 1.3 3.8 5.2 5.8 6.2 6.5 6.6 6.7 3.3 3.9 5.2 5.9 6.3 6.5 6.7 6.8 5.3 4.9 6.3 7.1 7.6 7.9 8.1 8.3 7.3 5.0 6.4 7.2 7.6 8.0 8.2 8.4 9.3 5.0 6.5 7.2 7.7 8.0 8.3 8.5