Predictions for Grazing Occultation of ZC 552, 2005 Nov 16
Grazing Occultation of 552 SB7 Magnitude 2.8s
552 = Alcyone = eta Tauri
Date 2005 November 16 (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
145 0 0 -39 7 26 10 50 51 9 48 6.02 152.5 164.27 21.43S
145 10 0 -39 1 22 10 50 54 10 48 5.91 152.5 164.25 21.41S
145 20 0 -38 55 16 10 50 57 10 48 5.81 152.4 164.22 21.38S
145 30 0 -38 49 10 10 50 59 10 48 5.71 152.4 164.19 21.35S
145 40 0 -38 43 2 10 51 2 10 48 5.61 152.4 164.15 21.32S
145 50 0 -38 36 53 10 51 5 10 48 5.51 152.3 164.12 21.29S
146 0 0 -38 30 43 10 51 8 10 48 5.42 152.3 164.09 21.26S
146 10 0 -38 24 32 10 51 11 11 47 5.33 152.3 164.06 21.23S
146 20 0 -38 18 20 10 51 15 11 47 5.24 152.3 164.03 21.20S
146 30 0 -38 12 7 10 51 18 11 47 5.15 152.2 164.00 21.17S
146 40 0 -38 5 52 10 51 21 11 47 5.07 152.2 163.97 21.14S
146 50 0 -37 59 37 10 51 25 11 47 4.99 152.2 163.94 21.11S
147 0 0 -37 53 20 10 51 28 12 47 4.91 152.1 163.91 21.08S
147 10 0 -37 47 2 10 51 32 12 47 4.84 152.1 163.88 21.05S
147 20 0 -37 40 43 10 51 36 12 47 4.76 152.1 163.85 21.02S
147 30 0 -37 34 23 10 51 39 12 46 4.69 152.0 163.81 20.98S
147 40 0 -37 28 1 10 51 43 12 46 4.62 152.0 163.78 20.95S
147 50 0 -37 21 39 10 51 47 12 46 4.55 152.0 163.75 20.92S
148 0 0 -37 15 15 10 51 51 13 46 4.48 151.9 163.72 20.89S
148 10 0 -37 8 50 10 51 55 13 46 4.42 151.9 163.69 20.86S
148 20 0 -37 2 24 10 52 0 13 46 4.36 151.9 163.66 20.83S
148 30 0 -36 55 57 10 52 4 13 46 4.29 151.9 163.63 20.80S
148 40 0 -36 49 29 10 52 8 13 46 4.23 151.8 163.60 20.77S
148 50 0 -36 42 59 10 52 13 13 46 4.17 151.8 163.57 20.74S
149 0 0 -36 36 29 10 52 17 14 45 4.12 151.8 163.54 20.71S
149 10 0 -36 29 57 10 52 22 14 45 4.06 151.7 163.51 20.68S
149 20 0 -36 23 24 10 52 27 14 45 4.00 151.7 163.47 20.65S
149 30 0 -36 16 50 10 52 32 14 45 3.95 151.7 163.44 20.62S
149 40 1 -36 10 14 10 52 37 14 45 3.90 151.6 163.41 20.59S
149 50 1 -36 3 38 10 52 42 15 45 3.85 151.6 163.38 20.56S
150 0 1 -35 57 0 10 52 47 15 45 3.79 151.6 163.35 20.53S
150 10 1 -35 50 21 10 52 52 15 45 3.75 151.5 163.32 20.50S
150 20 1 -35 43 41 10 52 57 15 44 3.70 151.5 163.29 20.47S
150 30 1 -35 37 0 10 53 3 15 44 3.65 151.5 163.26 20.44S
150 40 1 -35 30 18 10 53 8 16 44 3.60 151.5 163.23 20.41S
150 50 1 -35 23 34 10 53 14 16 44 3.56 151.4 163.20 20.38S
Path coordinates are referred to WGS84 (as used by GPS).
552 is multiple : 1.5 0.031" 207.1 : 3.0 4.6 0.031" 207.1 : 2.8 6.2 117" 290.0
Graze Path of component #2 0.04km North, and 0.1 secs. earlier cf. primary.
Graze Path of component #3 0.04km North, and 0.1 secs. earlier cf. primary.
Graze Path of component #4 198.53km South, and 172.8 secs. earlier cf. primary.
552 = NSV 15775, 2.87 +/- 0.00 V , Type VAR:
Librations Long +5.66 Lat -5.45
P +162.7 D -3.3
Illumination of moon 100%-
Elongation of Moon 173
Vertical Profile Scale 2.26 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.65 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
16.4 1.8 3.1 3.7 4.0 4.2 4.3 4.4
18.4 1.8 3.1 3.7 4.0 4.2 4.3 4.4
20.4 1.8 3.1 3.7 4.0 4.2 4.3 4.4
22.4 1.9 3.2 3.8 4.1 4.3 4.4 4.5
24.4 2.0 3.3 4.0 4.3 4.5 4.6 4.7
Lunar Limb Profile for graze near Melbourne
Lunar Limb Profile for graze near Canberra