Grazing Occultation of Saturn Magnitude 1.1 [Red = 1.1] Date: 2024 Jun 27 16h 18m, to 2024 Jun 27 16h 32m 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 -130 0 0 36 15 24.7 16 17 34 32 34 230 1.49 321.3 343.01 16.23N -129 0 0 36 46 22.4 16 18 35 33 33 231 1.55 321.6 343.29 15.95N -128 0 0 37 16 19.4 16 19 33 34 32 232 1.62 321.8 343.57 15.68N -127 0 0 37 45 17.4 16 20 27 35 31 233 1.69 322.1 343.84 15.40N -126 0 0 38 13 18.5 16 21 19 36 30 233 1.76 322.4 344.11 15.14N -125 0 0 38 40 24.3 16 22 8 37 29 234 1.84 322.6 344.38 14.87N -124 0 0 39 6 36.7 16 22 54 38 28 235 1.92 322.9 344.64 14.61N -123 0 0 39 31 57.2 16 23 37 39 27 236 2.00 323.2 344.89 14.35N -122 0 0 39 56 27.5 16 24 18 40 26 237 2.09 323.4 345.14 14.10N -121 0 0 40 20 9.0 16 24 56 41 25 238 2.18 323.7 345.39 13.86N -120 0 0 40 43 3.3 16 25 33 41 24 238 2.28 323.9 345.64 13.61N -119 0 0 41 5 11.8 16 26 7 42 23 239 2.39 324.1 345.87 13.37N -118 0 0 41 26 35.7 16 26 39 43 22 240 2.50 324.4 346.11 13.14N -117 0 0 41 47 16.4 16 27 9 44 21 241 2.62 324.6 346.34 12.91N -116 0 0 42 7 15.1 16 27 37 45 20 242 2.75 324.8 346.57 12.68N -115 0 0 42 26 32.9 16 28 3 45 19 242 2.88 325.1 346.79 12.46N -114 0 0 42 45 10.9 16 28 28 46 18 243 3.03 325.3 347.01 12.24N -113 0 0 43 3 10.3 16 28 51 47 17 244 3.19 325.5 347.23 12.02N -112 0 0 43 20 32.0 16 29 12 48 17 245 3.36 325.7 347.44 11.81N -111 0 0 43 37 17.1 16 29 32 48 16 245 3.55 325.9 347.65 11.60N -110 0 0 43 53 26.1 16 29 50 49 15 246 3.75 326.1 347.85 11.40N -109 0 0 44 9 0.5 16 30 7 50 14 247 3.98 326.3 348.05 11.20N -108 0 0 44 24 1.0 16 30 22 50 13 248 4.23 326.5 348.25 11.00N -107 0 0 44 38 28.2 16 30 36 51 13 248 4.50 326.7 348.45 10.80N -106 0 0 44 52 23.1 16 30 49 52 12 249 4.81 326.9 348.64 10.61N -105 0 0 45 5 46.3 16 31 1 52 11 250 5.16 327.1 348.83 10.42N -104 0 0 45 18 38.6 16 31 11 53 10 251 5.56 327.3 349.01 10.23N -103 0 0 45 31 0.7 16 31 20 53 9 251 6.01 327.5 349.20 10.05N -102 0 0 45 42 53.1 16 31 28 54 9 252 6.54 327.6 349.38 9.87N -101 0 0 45 54 16.6 16 31 34 54 8 253 7.16 327.8 349.56 9.69N -100 0 0 46 5 11.7 16 31 40 55 7 254 7.90 328.0 349.73 9.52N - 99 0 0 46 15 38.9 16 31 45 56 6 254 8.80 328.2 349.90 9.35N - 98 0 0 46 25 38.9 16 31 48 56 6 255 9.91 328.3 350.07 9.18N - 97 0 0 46 35 12.1 16 31 51 57 5 256 11.32 328.5 350.24 9.01N - 96 0 0 46 44 19.0 16 31 53 57 4 257 13.17 328.7 350.40 8.85N - 95 0 0 46 53 0.0 16 31 54 57 4 257 15.73 328.8 350.57 8.68N Outer limit - Saturn just touches the moon -130 0 0 36 36 22.5 16 17 40 32 34 230 1.50 321.3 343.08 16.17N -129 0 0 37 7 11.1 16 18 40 33 33 231 1.57 321.6 343.36 15.89N -128 0 0 37 36 59.2 16 19 37 34 31 231 1.63 321.9 343.63 15.62N -127 0 0 38 5 48.9 16 20 31 35 30 232 1.70 322.2 343.90 15.35N -126 0 0 38 33 42.0 16 21 21 36 29 233 1.78 322.4 344.17 15.08N -125 0 0 39 0 40.2 16 22 9 37 28 234 1.85 322.7 344.43 14.82N -124 0 0 39 26 45.3 16 22 55 38 27 235 1.93 323.0 344.69 14.56N -123 0 0 39 51 58.9 16 23 37 39 26 236 2.02 323.2 344.94 14.30N -122 0 0 40 16 22.6 16 24 18 40 25 237 2.11 323.5 345.19 14.05N -121 0 0 40 39 57.9 16 24 56 41 24 237 2.20 323.7 345.44 13.81N -120 0 0 41 2 46.2 16 25 31 41 23 238 2.30 323.9 345.68 13.57N -119 0 0 41 24 49.0 16 26 5 42 23 239 2.41 324.2 345.92 13.33N -118 0 0 41 46 7.5 16 26 36 43 22 240 2.52 324.4 346.15 13.10N -117 0 0 42 6 43.1 16 27 6 44 21 241 2.64 324.7 346.38 12.87N -116 0 0 42 26 36.9 16 27 34 45 20 241 2.77 324.9 346.61 12.64N -115 0 0 42 45 50.1 16 28 0 45 19 242 2.90 325.1 346.83 12.42N -114 0 0 43 4 23.7 16 28 24 46 18 243 3.05 325.3 347.05 12.20N -113 0 0 43 22 18.9 16 28 46 47 17 244 3.21 325.5 347.26 11.99N -112 0 0 43 39 36.6 16 29 7 48 16 245 3.39 325.7 347.47 11.78N -111 0 0 43 56 17.9 16 29 26 48 16 245 3.58 325.9 347.68 11.57N -110 0 0 44 12 23.4 16 29 44 49 15 246 3.78 326.2 347.88 11.37N -109 0 0 44 27 54.5 16 30 1 50 14 247 4.01 326.4 348.08 11.17N -108 0 0 44 42 51.7 16 30 16 50 13 248 4.26 326.5 348.28 10.97N -107 0 0 44 57 16.0 16 30 29 51 12 248 4.54 326.7 348.47 10.78N -106 0 0 45 11 8.1 16 30 42 51 12 249 4.85 326.9 348.67 10.58N -105 0 0 45 24 28.6 16 30 53 52 11 250 5.20 327.1 348.85 10.40N -104 0 0 45 37 18.4 16 31 3 53 10 251 5.61 327.3 349.04 10.21N -103 0 0 45 49 38.1 16 31 12 53 9 251 6.06 327.5 349.22 10.03N -102 0 0 46 1 28.3 16 31 19 54 9 252 6.60 327.7 349.40 9.85N -101 0 0 46 12 49.8 16 31 26 54 8 253 7.22 327.8 349.58 9.68N -100 0 0 46 23 42.9 16 31 32 55 7 254 7.97 328.0 349.75 9.50N - 99 0 0 46 34 8.4 16 31 36 55 6 254 8.88 328.2 349.92 9.33N - 98 0 0 46 44 6.8 16 31 39 56 6 255 10.00 328.4 350.09 9.16N - 97 0 0 46 53 38.4 16 31 42 56 5 256 11.43 328.5 350.25 9.00N - 96 0 0 47 2 43.9 16 31 43 57 4 257 13.32 328.7 350.42 8.83N - 95 0 0 47 11 23.6 16 31 44 57 4 257 15.91 328.8 350.58 8.67N 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 = 17.84 arcsec Projected diameter of star 4 meters [Estimated] Librations Long -0.93 Lat +2.80 P +347.39 D -2.27 Illumination of moon 65%- Elongation of Moon 107 Vertical Profile Scale approx. 1.98 km/arcsec at mean distance of moon Horizontal Scale Factor 1.85 deg/min At longitude -112.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 7.8 2.6 3.9 4.5 4.9 5.1 5.2 5.3 9.8 2.6 3.9 4.5 4.9 5.1 5.2 5.3 11.8 2.6 3.9 4.5 4.9 5.1 5.2 5.3 13.8 2.6 3.9 4.5 4.9 5.1 5.2 5.3 15.8 2.6 3.9 4.5 4.9 5.1 5.2 5.3