Predictions for Grazing Occultation of ZC 3100, 2009 Sep 2
Grazing Occultation of 3100 F* Magnitude 6.5 [Red = 6.3] v
R3100 = EW Aquarii
Date: 2009 Sep 02 12h 28m, to 2009 Sep 02 12h 34m
Nominal site altitude 100m
E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA
o ' " o ' " h m s Alt Alt Az o o o
172 30 0 -35 58 37 12 28 14 60 310 0.57 144.0 159.71 23.04S
172 40 0 -35 50 17 12 28 44 60 309 0.58 144.0 159.69 23.06S
172 50 0 -35 41 56 12 29 14 60 308 0.58 143.9 159.66 23.09S
173 0 0 -35 33 33 12 29 44 60 308 0.58 143.9 159.64 23.11S
173 10 0 -35 25 8 12 30 14 60 307 0.58 143.9 159.61 23.14S
173 20 1 -35 16 42 12 30 45 60 307 0.59 143.9 159.59 23.16S
173 30 1 -35 8 14 12 31 15 60 306 0.59 143.8 159.57 23.18S
173 40 1 -34 59 44 12 31 45 59 305 0.59 143.8 159.54 23.20S
173 50 1 -34 51 13 12 32 16 59 305 0.59 143.8 159.52 23.23S
174 0 1 -34 42 40 12 32 47 59 304 0.60 143.8 159.50 23.25S
174 10 1 -34 34 6 12 33 17 59 304 0.60 143.7 159.48 23.27S
174 20 1 -34 25 31 12 33 48 59 303 0.60 143.7 159.46 23.29S
174 30 1 -34 16 54 12 34 19 59 302 0.61 143.7 159.44 23.31S
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
3100 = EW Aqr, 6.41 to 6.48V, Type DSCTC, Period 0.097 days, Phase 48 %
Librations Long -1.65 Lat -2.36
P +159.62 D -2.53
Illumination of moon 96%+
Elongation of Moon 156
Vertical Profile Scale 2.13 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.37 deg/min
At longitude 173.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
19.2 5.0 6.5 7.3 7.8 8.1 8.4 8.6
21.2 5.4 6.9 7.7 8.2 8.5 8.8 9.0
23.2 5.5 6.9 7.7 8.3 8.6 8.9 9.1
25.2 5.5 7.0 7.7 8.3 8.6 8.9 9.1
27.2 5.5 7.0 7.8 8.3 8.6 8.9 9.1
Lunar Limb Profile
