Predictions for Grazing Occultation of ZC 3177, 2007 Oct 21
Grazing Occultation of 3177 cA9 Magnitude 5.9
3177 = 44 Capricorni
Date 2007 October 21 (Sunday) 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
167 0 0 -46 25 3 11 41 28 40 294 1.19 146.2 164.12 14.41S
167 10 0 -46 15 2 11 41 53 40 294 1.19 146.2 164.11 14.42S
167 20 0 -46 5 0 11 42 19 40 293 1.20 146.2 164.10 14.43S
167 30 0 -45 54 58 11 42 44 40 293 1.20 146.2 164.09 14.44S
167 40 0 -45 44 56 11 43 10 40 293 1.21 146.2 164.09 14.45S
167 50 0 -45 34 55 11 43 35 39 292 1.21 146.2 164.08 14.45S
168 0 0 -45 24 53 11 44 0 39 292 1.22 146.2 164.07 14.46S
168 10 0 -45 14 52 11 44 26 39 292 1.22 146.2 164.07 14.46S
168 20 0 -45 4 51 11 44 51 39 291 1.23 146.1 164.06 14.47S
168 30 0 -44 54 50 11 45 17 39 291 1.23 146.1 164.06 14.47S
168 40 0 -44 44 50 11 45 42 39 290 1.24 146.1 164.06 14.48S
168 50 0 -44 34 50 11 46 7 39 290 1.24 146.1 164.05 14.48S
169 0 0 -44 24 51 11 46 32 39 290 1.25 146.1 164.05 14.48S
169 10 0 -44 14 52 11 46 58 39 289 1.26 146.1 164.05 14.48S
169 20 0 -44 4 54 11 47 23 38 289 1.26 146.1 164.05 14.49S
169 30 0 -43 54 57 11 47 48 38 289 1.27 146.1 164.04 14.49S
169 40 0 -43 45 1 11 48 13 38 288 1.27 146.1 164.04 14.49S
169 50 0 -43 35 5 11 48 38 38 288 1.28 146.1 164.04 14.49S
170 0 0 -43 25 10 11 49 3 38 287 1.29 146.1 164.05 14.49S
170 10 0 -43 15 16 11 49 28 38 287 1.29 146.1 164.05 14.49S
170 20 0 -43 5 24 11 49 53 38 287 1.30 146.1 164.05 14.48S
170 30 0 -42 55 32 11 50 18 37 286 1.31 146.1 164.05 14.48S
170 40 0 -42 45 41 11 50 43 37 286 1.31 146.1 164.05 14.48S
170 50 0 -42 35 52 11 51 8 37 286 1.32 146.1 164.06 14.47S
171 0 0 -42 26 4 11 51 32 37 285 1.33 146.1 164.06 14.47S
171 10 0 -42 16 17 11 51 57 37 285 1.33 146.2 164.06 14.47S
171 20 0 -42 6 32 11 52 21 37 285 1.34 146.2 164.07 14.46S
171 30 0 -41 56 47 11 52 46 37 284 1.35 146.2 164.08 14.46S
171 40 1 -41 47 5 11 53 10 36 284 1.36 146.2 164.08 14.45S
171 50 1 -41 37 24 11 53 35 36 284 1.36 146.2 164.09 14.44S
172 0 1 -41 27 44 11 53 59 36 283 1.37 146.2 164.09 14.44S
172 10 1 -41 18 6 11 54 23 36 283 1.38 146.2 164.10 14.43S
172 20 1 -41 8 30 11 54 47 36 283 1.39 146.2 164.11 14.42S
172 30 1 -40 58 55 11 55 11 36 282 1.40 146.2 164.12 14.41S
172 40 1 -40 49 22 11 55 35 35 282 1.40 146.2 164.13 14.40S
172 50 1 -40 39 51 11 55 58 35 282 1.41 146.2 164.14 14.39S
173 0 1 -40 30 21 11 56 22 35 282 1.42 146.2 164.15 14.38S
173 10 1 -40 20 54 11 56 46 35 281 1.43 146.2 164.16 14.37S
173 20 1 -40 11 28 11 57 9 35 281 1.44 146.3 164.17 14.36S
173 30 1 -40 2 5 11 57 32 35 281 1.45 146.3 164.18 14.35S
173 40 1 -39 52 43 11 57 56 34 280 1.46 146.3 164.19 14.34S
173 50 1 -39 43 24 11 58 19 34 280 1.47 146.3 164.21 14.33S
174 0 1 -39 34 6 11 58 42 34 280 1.48 146.3 164.22 14.31S
174 10 1 -39 24 51 11 59 5 34 279 1.49 146.3 164.23 14.30S
174 20 1 -39 15 37 11 59 28 34 279 1.50 146.3 164.25 14.29S
174 30 1 -39 6 26 11 59 50 34 279 1.51 146.3 164.26 14.27S
174 40 1 -38 57 17 12 0 13 33 279 1.52 146.4 164.27 14.26S
174 50 1 -38 48 11 12 0 35 33 278 1.53 146.4 164.29 14.24S
175 0 1 -38 39 6 12 0 57 33 278 1.54 146.4 164.31 14.23S
175 10 1 -38 30 4 12 1 20 33 278 1.55 146.4 164.32 14.21S
175 20 1 -38 21 4 12 1 42 33 277 1.56 146.4 164.34 14.19S
175 30 1 -38 12 7 12 2 4 32 277 1.57 146.4 164.35 14.18S
175 40 1 -38 3 12 12 2 25 32 277 1.58 146.5 164.37 14.16S
175 50 1 -37 54 19 12 2 47 32 277 1.59 146.5 164.39 14.14S
176 0 1 -37 45 29 12 3 9 32 276 1.60 146.5 164.41 14.12S
176 10 1 -37 36 41 12 3 30 32 276 1.62 146.5 164.43 14.11S
Path coordinates are referred to WGS84 (as used by GPS).
3177 is double : 6.8 6.8 0.100" 90.0
Graze Path of component #2 0.15km North, and 0.2 secs. later cf. primary.
Librations Long -7.81 Lat +0.69
P +164.3 D -1.2
Illumination of moon 72%+
Elongation of Moon 116
Vertical Profile Scale 2.75 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.82 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
10.1 5.5 6.9 7.7 8.1 8.5 8.7 8.8
12.1 5.5 6.9 7.7 8.1 8.5 8.7 8.9
14.1 5.5 6.9 7.7 8.2 8.5 8.7 8.9
16.1 5.5 6.9 7.7 8.2 8.5 8.7 8.9
18.1 5.5 6.9 7.7 8.2 8.5 8.7 8.9
Lunar Limb Profile
