Predictions for Grazing Occultation of ZC 3444, 2008 Jul 22
Grazing Occultation of 3444 wK2 Magnitude 6.3
Date 2008 July 22 (Tuesday) 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
168 0 0 -46 27 13 17 40 42 39 330 1.23 322.2 344.31 11.73N
168 10 0 -46 16 38 17 41 11 39 329 1.23 322.2 344.30 11.74N
168 20 0 -46 6 3 17 41 41 39 329 1.23 322.2 344.29 11.76N
168 30 0 -45 55 27 17 42 10 39 328 1.22 322.2 344.28 11.77N
168 40 0 -45 44 51 17 42 39 39 328 1.22 322.2 344.26 11.78N
168 50 0 -45 34 14 17 43 8 39 328 1.22 322.1 344.25 11.79N
169 0 0 -45 23 37 17 43 38 39 327 1.22 322.1 344.24 11.80N
169 10 0 -45 12 59 17 44 7 39 327 1.22 322.1 344.23 11.81N
169 20 0 -45 2 21 17 44 37 39 326 1.21 322.1 344.22 11.82N
169 30 0 -44 51 43 17 45 7 39 326 1.21 322.1 344.22 11.83N
169 40 0 -44 41 5 17 45 36 40 325 1.21 322.1 344.21 11.84N
169 50 0 -44 30 27 17 46 6 40 325 1.21 322.1 344.20 11.84N
170 0 0 -44 19 49 17 46 36 40 325 1.21 322.1 344.19 11.85N
170 10 0 -44 9 11 17 47 6 40 324 1.21 322.1 344.19 11.86N
170 20 0 -43 58 33 17 47 36 40 324 1.21 322.1 344.18 11.86N
170 30 0 -43 47 56 17 48 6 40 323 1.21 322.1 344.18 11.86N
170 40 0 -43 37 19 17 48 36 40 323 1.21 322.1 344.18 11.87N
170 50 0 -43 26 43 17 49 6 40 322 1.21 322.1 344.17 11.87N
171 0 0 -43 16 7 17 49 36 40 322 1.21 322.1 344.17 11.87N
171 10 0 -43 5 31 17 50 7 40 322 1.21 322.1 344.17 11.87N
171 20 0 -42 54 57 17 50 37 40 321 1.21 322.1 344.17 11.87N
171 30 0 -42 44 23 17 51 7 40 321 1.21 322.1 344.17 11.87N
171 40 0 -42 33 50 17 51 37 40 320 1.21 322.1 344.17 11.87N
171 50 0 -42 23 18 17 52 8 40 320 1.21 322.1 344.18 11.87N
172 0 0 -42 12 47 17 52 38 40 319 1.21 322.1 344.18 11.87N
172 10 0 -42 2 17 17 53 8 40 319 1.21 322.1 344.18 11.86N
172 20 0 -41 51 48 17 53 38 40 319 1.21 322.1 344.19 11.86N
172 30 0 -41 41 20 17 54 9 40 318 1.21 322.1 344.19 11.85N
172 40 1 -41 30 54 17 54 39 40 318 1.21 322.1 344.20 11.85N
172 50 1 -41 20 29 17 55 9 40 317 1.21 322.1 344.20 11.84N
173 0 1 -41 10 6 17 55 39 40 317 1.21 322.1 344.21 11.83N
173 10 1 -40 59 44 17 56 10 40 316 1.21 322.1 344.22 11.82N
173 20 1 -40 49 24 17 56 40 40 316 1.21 322.1 344.23 11.81N
173 30 1 -40 39 6 17 57 10 39 316 1.21 322.1 344.24 11.80N
173 40 1 -40 28 49 17 57 40 39 315 1.22 322.1 344.25 11.79N
173 50 1 -40 18 34 17 58 10 39 315 1.22 322.2 344.26 11.78N
174 0 1 -40 8 21 17 58 40 39 314 1.22 322.2 344.27 11.77N
174 10 1 -39 58 10 17 59 10 39 314 1.22 322.2 344.29 11.76N
174 20 1 -39 48 1 17 59 40 39 313 1.22 322.2 344.30 11.74N
174 30 1 -39 37 55 18 0 10 39 313 1.22 322.2 344.31 11.73N
174 40 1 -39 27 50 18 0 39 39 313 1.23 322.2 344.33 11.71N
174 50 1 -39 17 48 18 1 9 39 312 1.23 322.2 344.35 11.70N
175 0 1 -39 7 48 18 1 39 39 312 1.23 322.3 344.36 11.68N
175 10 1 -38 57 50 18 2 8 39 311 1.23 322.3 344.38 11.66N
175 20 1 -38 47 55 18 2 38 39 311 1.24 322.3 344.40 11.65N
175 30 1 -38 38 2 18 3 7 39 311 1.24 322.3 344.42 11.63N
175 40 1 -38 28 12 18 3 37 39 310 1.24 322.3 344.44 11.61N
175 50 1 -38 18 24 18 4 6 39 310 1.25 322.4 344.46 11.59N
176 0 1 -38 8 39 18 4 35 39 309 1.25 322.4 344.48 11.57N
176 10 1 -37 58 56 18 5 4 39 309 1.25 322.4 344.50 11.54N
176 20 1 -37 49 17 18 5 33 39 309 1.25 322.4 344.52 11.52N
Path coordinates are referred to WGS84 (as used by GPS).
3444 is double : 6.3 10.5 42" 137.0
Graze Path of component #2 120.53km North, and 9.5 secs. later cf. primary.
Librations Long -6.07 Lat -4.45
P +345.0 D +6.2
Illumination of moon 81%-
Elongation of Moon 128
Vertical Profile Scale 2.89 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
7.5 5.1 6.5 7.3 7.7 8.1 8.3 8.5
9.5 5.5 6.9 7.7 8.2 8.5 8.7 8.9
11.5 5.5 6.9 7.7 8.2 8.5 8.7 8.9
13.5 5.5 6.9 7.7 8.2 8.5 8.8 8.9
15.5 5.5 6.9 7.7 8.2 8.5 8.8 8.9
Lunar Limb Profile