Predictions for Grazing Occultation of ZC 390, 2008 Feb 13
Grazing Occultation of 390 A7 Magnitude 5.5
390 = nu Arietis
Date 2008 February 13 (Wednesday) 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
148 0 0 -22 10 29 10 30 38 25 310 2.12 342.5 0.23 1.37N
148 10 0 -22 11 31 10 30 51 25 309 2.14 342.5 0.28 1.43N
148 20 0 -22 12 34 10 31 4 25 309 2.15 342.6 0.34 1.49N
148 30 0 -22 13 40 10 31 16 25 309 2.17 342.7 0.39 1.54N
148 40 0 -22 14 48 10 31 29 25 309 2.19 342.7 0.45 1.60N
148 50 0 -22 15 57 10 31 41 24 309 2.20 342.8 0.51 1.66N
149 0 0 -22 17 9 10 31 53 24 309 2.22 342.8 0.56 1.71N
149 10 0 -22 18 23 10 32 5 24 309 2.24 342.9 0.62 1.77N
149 20 0 -22 19 39 10 32 17 24 309 2.26 342.9 0.68 1.82N
149 30 0 -22 20 57 10 32 29 24 308 2.27 343.0 0.73 1.88N
149 40 0 -22 22 17 10 32 41 24 308 2.29 343.0 0.79 1.93N
149 50 0 -22 23 39 10 32 52 23 308 2.31 343.1 0.84 1.99N
150 0 0 -22 25 2 10 33 4 23 308 2.33 343.2 0.90 2.04N
150 10 0 -22 26 28 10 33 15 23 308 2.35 343.2 0.95 2.10N
150 20 0 -22 27 56 10 33 27 23 308 2.37 343.3 1.00 2.15N
150 30 0 -22 29 25 10 33 38 23 308 2.39 343.3 1.06 2.20N
150 40 0 -22 30 57 10 33 49 23 308 2.41 343.4 1.11 2.26N
150 50 0 -22 32 30 10 34 0 22 307 2.43 343.4 1.16 2.31N
151 0 0 -22 34 6 10 34 11 22 307 2.45 343.5 1.21 2.36N
151 10 0 -22 35 43 10 34 22 22 307 2.47 343.5 1.26 2.41N
151 20 0 -22 37 22 10 34 32 22 307 2.49 343.6 1.32 2.47N
151 30 0 -22 39 3 10 34 43 22 307 2.52 343.6 1.37 2.52N
151 40 0 -22 40 45 10 34 54 22 307 2.54 343.7 1.42 2.57N
151 50 0 -22 42 30 10 35 4 21 307 2.56 343.7 1.47 2.62N
152 0 0 -22 44 16 10 35 14 21 307 2.58 343.8 1.52 2.67N
Path coordinates are referred to WGS84 (as used by GPS).
Librations Long -1.37 Lat -7.39
P +1.7 D +7.6
Illumination of moon 41%+
Elongation of Moon 80
Vertical Profile Scale 2.94 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.54 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
-1.3 3.0 4.3 5.0 5.4 5.6 5.7 5.8
0.7 4.7 6.1 6.8 7.2 7.5 7.7 7.8
2.7 4.7 6.1 6.8 7.2 7.5 7.7 7.9
4.7 5.4 6.9 7.6 8.1 8.4 8.6 8.8
6.7 5.5 6.9 7.6 8.1 8.4 8.6 8.8
Lunar Limb Profile