Grazing Occultation of Saturn Magnitude 0.6 [Red = 0.6] Date: 2024 Sep 17 11h 23m, to 2024 Sep 17 11h 43m Nominal site altitude 0m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o Inner limit - Saturn fully obscured -126 0 0 19 59 37.9 11 28 27 29 249 1.83 141.4 162.83 4.74S -125 0 0 20 26 45.4 11 29 36 27 249 1.93 141.7 163.12 4.45S -124 0 0 20 52 52.1 11 30 42 26 250 2.04 142.0 163.41 4.17S -123 0 0 21 17 59.7 11 31 44 25 250 2.16 142.3 163.69 3.89S -122 0 0 21 42 10.2 11 32 42 24 251 2.29 142.6 163.97 3.61S -121 0 0 22 5 25.3 11 33 38 22 251 2.43 142.8 164.25 3.33S -120 0 0 22 27 46.8 11 34 30 21 252 2.58 143.1 164.52 3.06S -119 0 0 22 49 16.1 11 35 18 20 252 2.74 143.4 164.78 2.80S -118 0 0 23 9 55.0 11 36 4 19 252 2.92 143.6 165.05 2.54S -117 0 0 23 29 44.8 11 36 48 18 253 3.12 143.9 165.30 2.28S -116 0 0 23 48 47.1 11 37 28 17 253 3.35 144.1 165.56 2.03S -115 0 0 24 7 3.2 11 38 6 16 254 3.60 144.4 165.81 1.78S -114 0 0 24 24 34.4 11 38 41 14 254 3.88 144.6 166.06 1.53S -113 0 0 24 41 21.9 11 39 14 13 255 4.20 144.9 166.30 1.29S -112 0 0 24 57 26.9 11 39 44 12 255 4.58 145.1 166.54 1.05S -111 0 0 25 12 50.6 11 40 12 11 256 5.01 145.4 166.77 0.82S -110 0 0 25 27 33.9 11 40 38 10 256 5.53 145.6 167.00 0.58S -109 0 0 25 41 38.1 11 41 1 9 257 6.15 145.8 167.23 0.36S -108 0 0 25 55 4.0 11 41 23 8 257 6.92 146.0 167.46 0.13S -107 0 0 26 7 52.6 11 41 43 7 258 7.89 146.3 167.68 -0.09S -106 0 0 26 20 4.8 11 42 0 6 258 9.14 146.5 167.89 -0.31S -105 0 0 26 31 41.5 11 42 16 5 259 10.85 146.7 168.11 -0.52S -104 0 0 26 42 43.6 11 42 30 4 259 13.29 146.9 168.32 -0.73S -103 0 0 26 53 11.7 11 42 42 3 260 17.09 147.1 168.53 -0.94S -102 0 0 27 3 6.9 11 42 53 2 260 23.83 147.3 168.74 -1.15S -101 0 0 27 12 29.6 11 43 2 -11 1 260 39.07 147.5 168.94 -1.35S -100 0 0 27 21 21.1 11 43 9 -10 1 261 99.00 147.7 169.14 -1.55S Outer limit - Saturn just touches the moon -126 0 0 19 39 13.4 11 28 12 29 249 1.82 141.4 162.82 4.79S -125 0 0 20 6 29.5 11 29 22 28 249 1.92 141.7 163.11 4.50S -124 0 0 20 32 44.3 11 30 29 26 250 2.03 142.0 163.40 4.21S -123 0 0 20 57 59.7 11 31 31 25 250 2.15 142.3 163.68 3.93S -122 0 0 21 22 17.6 11 32 31 24 251 2.27 142.5 163.96 3.65S -121 0 0 21 45 39.6 11 33 27 23 251 2.41 142.8 164.24 3.37S -120 0 0 22 8 7.7 11 34 19 21 252 2.56 143.1 164.51 3.10S -119 0 0 22 29 43.2 11 35 9 20 252 2.72 143.4 164.78 2.84S -118 0 0 22 50 28.0 11 35 55 19 253 2.90 143.6 165.04 2.57S -117 0 0 23 10 23.5 11 36 39 18 253 3.10 143.9 165.30 2.32S -116 0 0 23 29 31.1 11 37 20 17 253 3.32 144.1 165.56 2.06S -115 0 0 23 47 52.2 11 37 58 16 254 3.57 144.4 165.81 1.81S -114 0 0 24 5 28.2 11 38 34 15 254 3.85 144.6 166.06 1.56S -113 0 0 24 22 20.2 11 39 7 13 255 4.17 144.9 166.30 1.32S -112 0 0 24 38 29.4 11 39 38 12 255 4.54 145.1 166.54 1.08S -111 0 0 24 53 57.0 11 40 6 11 256 4.97 145.4 166.77 0.84S -110 0 0 25 8 44.2 11 40 33 10 256 5.48 145.6 167.01 0.61S -109 0 0 25 22 51.9 11 40 57 9 257 6.09 145.8 167.24 0.38S -108 0 0 25 36 21.1 11 41 19 8 257 6.85 146.0 167.46 0.16S -107 0 0 25 49 12.8 11 41 39 7 258 7.80 146.3 167.68 -0.06S -106 0 0 26 1 28.0 11 41 56 6 258 9.03 146.5 167.90 -0.28S -105 0 0 26 13 7.5 11 42 13 5 259 10.70 146.7 168.12 -0.50S -104 0 0 26 24 12.1 11 42 27 4 259 13.08 146.9 168.33 -0.71S -103 0 0 26 34 42.7 11 42 39 3 260 16.76 147.1 168.54 -0.92S -102 0 0 26 44 40.2 11 42 50 2 260 23.22 147.3 168.75 -1.13S -101 0 0 26 54 5.1 11 42 59 -11 2 260 37.54 147.5 168.95 -1.33S -100 0 0 27 2 58.5 11 43 7 -10 1 261 96.54 147.7 169.15 -1.54S 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. Angular diameter of Saturn = 19.22 arcsec Projected diameter of star 5 meters [Estimated] Librations Long -2.95 Lat +2.50 P +165.68 D +1.96 Illumination of moon 99%+ Elongation of Moon 170 Vertical Profile Scale approx. 1.86 km/arcsec at mean distance of moon Horizontal Scale Factor 1.98 deg/min At longitude -115.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -2.2 1.8 3.1 3.7 4.0 4.2 4.4 4.4 -0.2 1.8 3.1 3.7 4.0 4.2 4.4 4.4 1.8 1.8 3.1 3.7 4.0 4.2 4.4 4.4 3.8 1.8 3.1 3.7 4.0 4.2 4.4 4.4 5.8 1.8 3.1 3.7 4.0 4.2 4.4 4.4