Grazing Occultation of 541 cB8 Magnitude 3.9
541 = Maia = 20 Tauri
Date 2006 Juli 20 (Donnerstag) 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
6 0 0 51 26 15 8 46 48 44 59 216 0.60 342.4 354.57 7.53N
6 3 0 51 26 34 8 46 51 44 59 216 0.60 342.4 354.58 7.52N
6 6 0 51 26 53 8 46 55 44 59 216 0.60 342.4 354.59 7.51N
6 9 0 51 27 12 8 46 59 44 59 216 0.60 342.4 354.61 7.50N
6 12 0 51 27 31 8 47 3 44 59 216 0.60 342.5 354.62 7.48N
6 15 0 51 27 50 8 47 7 44 59 216 0.60 342.5 354.63 7.47N
6 18 0 51 28 9 8 47 11 44 59 217 0.60 342.5 354.64 7.46N
6 21 0 51 28 28 8 47 15 44 59 217 0.60 342.5 354.66 7.45N
6 24 0 51 28 46 8 47 18 44 59 217 0.60 342.5 354.67 7.44N
6 27 0 51 29 5 8 47 22 44 59 217 0.60 342.5 354.68 7.42N
6 30 0 51 29 23 8 47 26 44 59 217 0.60 342.5 354.69 7.41N
6 33 0 51 29 42 8 47 30 44 59 217 0.60 342.5 354.70 7.40N
6 36 0 51 30 0 8 47 34 45 59 217 0.60 342.6 354.72 7.39N
6 39 0 51 30 18 8 47 38 45 59 217 0.61 342.6 354.73 7.37N
6 42 0 51 30 36 8 47 41 45 59 217 0.61 342.6 354.74 7.36N
6 45 0 51 30 54 8 47 45 45 59 217 0.61 342.6 354.75 7.35N
6 48 0 51 31 12 8 47 49 45 59 218 0.61 342.6 354.77 7.34N
6 51 0 51 31 30 8 47 53 45 59 218 0.61 342.6 354.78 7.32N
6 54 0 51 31 47 8 47 57 45 59 218 0.61 342.6 354.79 7.31N
6 57 0 51 32 5 8 48 0 45 59 218 0.61 342.6 354.80 7.30N
7 0 0 51 32 22 8 48 4 45 59 218 0.61 342.6 354.81 7.29N
7 3 0 51 32 40 8 48 8 45 59 218 0.61 342.7 354.83 7.28N
7 6 0 51 32 57 8 48 12 45 59 218 0.61 342.7 354.84 7.26N
7 9 0 51 33 14 8 48 16 45 59 218 0.61 342.7 354.85 7.25N
7 12 0 51 33 31 8 48 19 45 58 218 0.61 342.7 354.86 7.24N
7 15 0 51 33 48 8 48 23 45 58 218 0.61 342.7 354.88 7.23N
7 18 0 51 34 5 8 48 27 45 58 219 0.61 342.7 354.89 7.21N
7 21 0 51 34 22 8 48 31 45 58 219 0.62 342.7 354.90 7.20N
7 24 0 51 34 39 8 48 35 45 58 219 0.62 342.7 354.91 7.19N
7 27 0 51 34 56 8 48 38 45 58 219 0.62 342.8 354.92 7.18N
7 30 0 51 35 12 8 48 42 45 58 219 0.62 342.8 354.94 7.17N
7 33 0 51 35 28 8 48 46 45 58 219 0.62 342.8 354.95 7.15N
7 36 0 51 35 45 8 48 50 45 58 219 0.62 342.8 354.96 7.14N
7 39 0 51 36 1 8 48 53 45 58 219 0.62 342.8 354.97 7.13N
7 42 0 51 36 17 8 48 57 45 58 219 0.62 342.8 354.99 7.12N
7 45 0 51 36 33 8 49 1 45 58 219 0.62 342.8 355.00 7.11N
7 48 0 51 36 49 8 49 5 45 58 220 0.62 342.8 355.01 7.09N
7 51 0 51 37 5 8 49 9 45 58 220 0.62 342.9 355.02 7.08N
7 54 0 51 37 21 8 49 12 45 58 220 0.62 342.9 355.03 7.07N
7 57 0 51 37 37 8 49 16 45 58 220 0.62 342.9 355.05 7.06N
8 0 0 51 37 52 8 49 20 45 58 220 0.62 342.9 355.06 7.04N
8 3 0 51 38 8 8 49 24 45 58 220 0.62 342.9 355.07 7.03N
8 6 0 51 38 23 8 49 27 46 58 220 0.63 342.9 355.08 7.02N
8 9 0 51 38 38 8 49 31 46 58 220 0.63 342.9 355.09 7.01N
8 12 0 51 38 54 8 49 35 46 58 220 0.63 342.9 355.11 7.00N
8 15 0 51 39 9 8 49 39 46 58 220 0.63 343.0 355.12 6.98N
8 18 0 51 39 24 8 49 42 46 58 221 0.63 343.0 355.13 6.97N
8 21 0 51 39 39 8 49 46 46 58 221 0.63 343.0 355.14 6.96N
8 24 0 51 39 53 8 49 50 46 58 221 0.63 343.0 355.15 6.95N
8 27 0 51 40 8 8 49 54 46 58 221 0.63 343.0 355.17 6.94N
8 30 0 51 40 23 8 49 57 46 58 221 0.63 343.0 355.18 6.92N
8 33 0 51 40 37 8 50 1 46 58 221 0.63 343.0 355.19 6.91N
8 36 0 51 40 52 8 50 5 46 58 221 0.63 343.0 355.20 6.90N
8 39 0 51 41 6 8 50 8 46 58 221 0.63 343.0 355.21 6.89N
8 42 0 51 41 20 8 50 12 46 58 221 0.63 343.1 355.23 6.88N
8 45 0 51 41 35 8 50 16 46 58 221 0.64 343.1 355.24 6.86N
8 48 0 51 41 49 8 50 20 46 58 222 0.64 343.1 355.25 6.85N
8 51 0 51 42 3 8 50 23 46 58 222 0.64 343.1 355.26 6.84N
8 54 0 51 42 17 8 50 27 46 57 222 0.64 343.1 355.27 6.83N
8 57 0 51 42 30 8 50 31 46 57 222 0.64 343.1 355.29 6.82N
9 0 0 51 42 44 8 50 34 46 57 222 0.64 343.1 355.30 6.80N
9 3 0 51 42 58 8 50 38 46 57 222 0.64 343.1 355.31 6.79N
9 6 0 51 43 11 8 50 42 46 57 222 0.64 343.2 355.32 6.78N
9 9 0 51 43 25 8 50 46 46 57 222 0.64 343.2 355.33 6.77N
9 12 0 51 43 38 8 50 49 46 57 222 0.64 343.2 355.35 6.76N
9 15 0 51 43 51 8 50 53 46 57 222 0.64 343.2 355.36 6.74N
9 18 0 51 44 5 8 50 57 46 57 222 0.64 343.2 355.37 6.73N
9 21 0 51 44 18 8 51 0 46 57 223 0.64 343.2 355.38 6.72N
9 24 0 51 44 31 8 51 4 46 57 223 0.64 343.2 355.39 6.71N
9 27 0 51 44 43 8 51 8 46 57 223 0.65 343.2 355.41 6.70N
9 30 0 51 44 56 8 51 11 46 57 223 0.65 343.3 355.42 6.68N
9 33 0 51 45 9 8 51 15 47 57 223 0.65 343.3 355.43 6.67N
9 36 0 51 45 22 8 51 19 47 57 223 0.65 343.3 355.44 6.66N
9 39 0 51 45 34 8 51 23 47 57 223 0.65 343.3 355.45 6.65N
9 42 0 51 45 46 8 51 26 47 57 223 0.65 343.3 355.47 6.64N
9 45 0 51 45 59 8 51 30 47 57 223 0.65 343.3 355.48 6.62N
9 48 0 51 46 11 8 51 34 47 57 223 0.65 343.3 355.49 6.61N
9 51 0 51 46 23 8 51 37 47 57 224 0.65 343.3 355.50 6.60N
9 54 0 51 46 35 8 51 41 47 57 224 0.65 343.3 355.51 6.59N
9 57 0 51 46 47 8 51 45 47 57 224 0.65 343.4 355.53 6.58N
10 0 0 51 46 59 8 51 48 47 57 224 0.65 343.4 355.54 6.56N
10 3 0 51 47 11 8 51 52 47 57 224 0.65 343.4 355.56 6.54N
10 6 0 51 47 23 8 51 56 47 57 224 0.66 343.4 355.57 6.53N
10 9 0 51 47 34 8 51 59 47 57 224 0.66 343.4 355.58 6.52N
10 12 0 51 47 46 8 52 3 47 57 224 0.66 343.4 355.59 6.51N
10 15 0 51 47 57 8 52 7 47 57 224 0.66 343.4 355.61 6.50N
10 18 0 51 48 8 8 52 10 47 57 224 0.66 343.5 355.62 6.48N
10 21 0 51 48 20 8 52 14 47 57 224 0.66 343.5 355.63 6.47N
10 24 0 51 48 31 8 52 17 47 57 225 0.66 343.5 355.64 6.46N
10 27 0 51 48 42 8 52 21 47 57 225 0.66 343.5 355.65 6.45N
10 30 0 51 48 53 8 52 25 47 57 225 0.66 343.5 355.67 6.44N
10 33 0 51 49 4 8 52 28 47 57 225 0.66 343.5 355.68 6.42N
10 36 0 51 49 14 8 52 32 47 56 225 0.66 343.5 355.69 6.41N
10 39 0 51 49 25 8 52 36 47 56 225 0.66 343.5 355.70 6.40N
10 42 0 51 49 36 8 52 39 47 56 225 0.66 343.5 355.71 6.39N
10 45 0 51 49 46 8 52 43 47 56 225 0.66 343.6 355.73 6.38N
10 48 0 51 49 57 8 52 47 47 56 225 0.67 343.6 355.74 6.36N
10 51 0 51 50 7 8 52 50 47 56 225 0.67 343.6 355.75 6.35N
10 54 0 51 50 17 8 52 54 47 56 225 0.67 343.6 355.76 6.34N
10 57 0 51 50 27 8 52 57 47 56 226 0.67 343.6 355.77 6.33N
11 0 0 51 50 37 8 53 1 47 56 226 0.67 343.6 355.79 6.32N
11 3 0 51 50 47 8 53 5 47 56 226 0.67 343.6 355.80 6.30N
11 6 0 51 50 57 8 53 8 48 56 226 0.67 343.6 355.81 6.29N
11 9 0 51 51 7 8 53 12 48 56 226 0.67 343.7 355.82 6.28N
11 12 0 51 51 17 8 53 15 48 56 226 0.67 343.7 355.83 6.27N
11 15 0 51 51 26 8 53 19 48 56 226 0.67 343.7 355.85 6.26N
11 18 0 51 51 36 8 53 23 48 56 226 0.67 343.7 355.86 6.24N
11 21 0 51 51 45 8 53 26 48 56 226 0.67 343.7 355.87 6.23N
11 24 0 51 51 55 8 53 30 48 56 226 0.67 343.7 355.88 6.22N
11 27 0 51 52 4 8 53 33 48 56 226 0.68 343.7 355.89 6.21N
11 30 0 51 52 13 8 53 37 48 56 227 0.68 343.7 355.90 6.20N
11 33 0 51 52 22 8 53 41 48 56 227 0.68 343.7 355.92 6.19N
11 36 0 51 52 31 8 53 44 48 56 227 0.68 343.8 355.93 6.17N
11 39 0 51 52 40 8 53 48 48 56 227 0.68 343.8 355.94 6.16N
11 42 0 51 52 49 8 53 51 48 56 227 0.68 343.8 355.95 6.15N
11 45 0 51 52 57 8 53 55 48 56 227 0.68 343.8 355.96 6.14N
11 48 0 51 53 6 8 53 59 48 56 227 0.68 343.8 355.98 6.13N
11 51 0 51 53 15 8 54 2 48 56 227 0.68 343.8 355.99 6.11N
11 54 0 51 53 23 8 54 6 48 56 227 0.68 343.8 356.00 6.10N
11 57 0 51 53 31 8 54 9 48 56 227 0.68 343.8 356.01 6.09N
12 0 0 51 53 40 8 54 13 48 56 227 0.68 343.9 356.02 6.08N
12 3 0 51 53 48 8 54 17 48 56 227 0.69 343.9 356.03 6.07N
12 6 0 51 53 56 8 54 20 48 56 228 0.69 343.9 356.05 6.06N
12 9 0 51 54 4 8 54 24 48 56 228 0.69 343.9 356.06 6.04N
12 12 0 51 54 12 8 54 27 48 55 228 0.69 343.9 356.07 6.03N
12 15 0 51 54 20 8 54 31 48 55 228 0.69 343.9 356.08 6.02N
12 18 0 51 54 27 8 54 34 48 55 228 0.69 343.9 356.09 6.01N
12 21 0 51 54 35 8 54 38 48 55 228 0.69 343.9 356.10 6.00N
12 24 0 51 54 42 8 54 41 48 55 228 0.69 343.9 356.12 5.99N
12 27 0 51 54 50 8 54 45 48 55 228 0.69 344.0 356.13 5.97N
12 30 0 51 54 57 8 54 49 48 55 228 0.69 344.0 356.14 5.96N
12 33 0 51 55 5 8 54 52 48 55 228 0.69 344.0 356.15 5.95N
12 36 0 51 55 12 8 54 56 48 55 228 0.69 344.0 356.16 5.94N
12 39 0 51 55 19 8 54 59 48 55 229 0.69 344.0 356.17 5.93N
12 42 0 51 55 26 8 55 3 49 55 229 0.70 344.0 356.19 5.91N
12 45 0 51 55 33 8 55 6 49 55 229 0.70 344.0 356.20 5.90N
12 48 0 51 55 40 8 55 10 49 55 229 0.70 344.0 356.21 5.89N
12 51 0 51 55 46 8 55 13 49 55 229 0.70 344.1 356.22 5.88N
12 54 0 51 55 53 8 55 17 49 55 229 0.70 344.1 356.23 5.87N
12 57 0 51 56 0 8 55 20 49 55 229 0.70 344.1 356.25 5.86N
13 0 0 51 56 6 8 55 24 49 55 229 0.70 344.1 356.26 5.84N
13 3 0 51 56 13 8 55 28 49 55 229 0.70 344.1 356.27 5.83N
13 6 0 51 56 19 8 55 31 49 55 229 0.70 344.1 356.28 5.82N
13 9 0 51 56 25 8 55 35 49 55 229 0.70 344.1 356.29 5.81N
13 12 0 51 56 31 8 55 38 49 55 230 0.70 344.1 356.30 5.80N
13 15 0 51 56 37 8 55 42 49 55 230 0.70 344.1 356.31 5.79N
13 18 0 51 56 43 8 55 45 49 55 230 0.71 344.2 356.33 5.77N
13 21 0 51 56 49 8 55 49 49 55 230 0.71 344.2 356.34 5.76N
13 24 0 51 56 55 8 55 52 49 55 230 0.71 344.2 356.35 5.75N
13 27 0 51 57 1 8 55 56 49 55 230 0.71 344.2 356.36 5.74N
13 30 0 51 57 6 8 55 59 49 55 230 0.71 344.2 356.37 5.73N
13 33 0 51 57 12 8 56 3 49 55 230 0.71 344.2 356.38 5.72N
13 36 0 51 57 17 8 56 6 49 55 230 0.71 344.2 356.40 5.70N
13 39 0 51 57 22 8 56 10 49 55 230 0.71 344.2 356.41 5.69N
13 42 0 51 57 28 8 56 13 49 55 230 0.71 344.3 356.42 5.68N
13 45 0 51 57 33 8 56 17 49 55 230 0.71 344.3 356.43 5.67N
13 48 0 51 57 38 8 56 20 49 54 231 0.71 344.3 356.44 5.66N
13 51 0 51 57 43 8 56 24 49 54 231 0.71 344.3 356.45 5.65N
13 54 0 51 57 48 8 56 27 49 54 231 0.72 344.3 356.47 5.64N
13 57 0 51 57 53 8 56 31 49 54 231 0.72 344.3 356.48 5.62N
14 0 0 51 57 57 8 56 34 49 54 231 0.72 344.3 356.49 5.61N
14 3 0 51 58 2 8 56 38 49 54 231 0.72 344.3 356.50 5.60N
14 6 0 51 58 7 8 56 41 49 54 231 0.72 344.3 356.51 5.59N
14 9 0 51 58 11 8 56 45 49 54 231 0.72 344.4 356.52 5.58N
14 12 0 51 58 15 8 56 48 49 54 231 0.72 344.4 356.54 5.57N
14 15 0 51 58 20 8 56 52 49 54 231 0.72 344.4 356.55 5.55N
14 18 0 51 58 24 8 56 55 50 54 231 0.72 344.4 356.56 5.54N
14 21 0 51 58 28 8 56 59 50 54 231 0.72 344.4 356.57 5.53N
14 24 0 51 58 32 8 57 2 50 54 232 0.72 344.4 356.58 5.52N
14 27 0 51 58 36 8 57 6 50 54 232 0.72 344.4 356.59 5.51N
14 30 0 51 58 40 8 57 9 50 54 232 0.73 344.4 356.60 5.50N
14 33 0 51 58 44 8 57 12 50 54 232 0.73 344.4 356.62 5.49N
14 36 0 51 58 47 8 57 16 50 54 232 0.73 344.5 356.63 5.47N
14 39 0 51 58 51 8 57 19 50 54 232 0.73 344.5 356.64 5.46N
14 42 0 51 58 54 8 57 23 50 54 232 0.73 344.5 356.65 5.45N
14 45 0 51 58 58 8 57 26 50 54 232 0.73 344.5 356.66 5.44N
14 48 0 51 59 1 8 57 30 50 54 232 0.73 344.5 356.67 5.43N
14 51 0 51 59 4 8 57 33 50 54 232 0.73 344.5 356.68 5.42N
14 54 0 51 59 8 8 57 37 50 54 232 0.73 344.5 356.70 5.40N
14 57 0 51 59 11 8 57 40 50 54 232 0.73 344.5 356.71 5.39N
Path coordinates are referred to WGS84 (as used by GPS).
541 is double : 4.4 5.4 0.003" 69.0
Graze Path of component #2 0.00km South, and 0.0 secs. later cf. primary.
Librations Long +5.12 Lat -5.48
P +356.2 D +5.4
Illumination of moon 23%-
Elongation of Moon 58
Vertical Profile Scale 2.03 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.53 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
1.4 2.8 4.2 5.0 5.5 5.8 6.0 6.2
3.4 2.8 4.2 5.0 5.5 5.8 6.0 6.2
5.4 3.1 4.6 5.3 5.8 6.1 6.3 6.5
7.4 3.1 4.6 5.3 5.8 6.1 6.3 6.5
9.4 3.1 4.6 5.3 5.8 6.1 6.3 6.5
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