Predictions for Grazing Occultation of ZC 2644, 2006 Feb 23
Grazing Occultation of 2644 cF8 Magnitude 6.4
Date 2006 February 23 (Thursday) 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
174 30 0 -38 18 17 13 44 3 9 119 5.99 187.1 189.12 11.43S
174 40 0 -38 24 30 13 44 7 10 119 5.88 187.1 189.12 11.43S
174 50 0 -38 30 43 13 44 11 10 118 5.77 187.1 189.12 11.44S
175 0 0 -38 36 57 13 44 15 10 118 5.67 187.1 189.12 11.44S
175 10 0 -38 43 11 13 44 19 10 118 5.57 187.1 189.12 11.44S
175 20 0 -38 49 26 13 44 24 10 118 5.47 187.1 189.12 11.44S
175 30 0 -38 55 40 13 44 28 11 118 5.38 187.1 189.12 11.44S
175 40 0 -39 1 55 13 44 32 11 118 5.29 187.1 189.12 11.44S
175 50 0 -39 8 10 13 44 36 11 118 5.20 187.1 189.12 11.44S
176 0 0 -39 14 25 13 44 41 11 118 5.12 187.1 189.12 11.43S
176 10 0 -39 20 41 13 44 45 11 117 5.04 187.1 189.12 11.43S
176 20 0 -39 26 57 13 44 50 11 117 4.96 187.1 189.12 11.43S
176 30 0 -39 33 13 13 44 55 12 117 4.88 187.1 189.12 11.43S
176 40 0 -39 39 29 13 44 59 12 117 4.80 187.1 189.12 11.43S
176 50 0 -39 45 45 13 45 4 12 117 4.73 187.1 189.12 11.43S
177 0 0 -39 52 1 13 45 9 12 117 4.66 187.1 189.12 11.43S
Path coordinates are referred to WGS84 (as used by GPS).
2644 is double : 7.1 7.1 0.100" 90.0
Graze Path of component #2 0.03km South, and 0.2 secs. later cf. primary.
Librations Long -6.34 Lat +6.18
P +188.4 D +7.4
Illumination of moon 26%-
Elongation of Moon 61
Vertical Profile Scale 2.31 km/arcsec at mean distance of moon
Horizontal Scale Factor 2.19 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
7.4 5.2 6.6 7.4 7.9 8.2 8.4 8.5
9.4 5.3 6.7 7.5 7.9 8.3 8.5 8.6
11.4 5.4 6.8 7.5 8.0 8.3 8.6 8.7
13.4 5.4 6.9 7.6 8.1 8.4 8.6 8.8
15.4 5.5 6.9 7.7 8.2 8.5 8.7 8.9
Lunar Limb Profile for graze near Hastings
