Overview:
Profile:
Grazing Occultation of 1261WA5 Magnitude 7.3 [Red = 7.0]
Date: 2008 Jun 07 4h 57m, to 2008 Jun 07 5h 3m
Nominal site altitude 673m
E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA
o ' " o ' " h m s Alt Alt Az o o o
-117 0 0 54 43 39 4 56 38 -4 18 279 3.07 23.3 11.19 10.30N
-116 45 0 54 28 16 4 57 2 -5 18 280 3.11 23.4 11.20 10.31N
-116 30 0 54 13 4 4 57 26 -5 18 280 3.16 23.3 11.19 10.30N
-116 15 0 53 58 5 4 57 49 -5 17 281 3.20 23.3 11.19 10.30N
-116 0 0 53 43 19 4 58 12 -6 17 281 3.25 23.3 11.18 10.29N
-115 45 0 53 28 44 4 58 34 -6 17 281 3.30 23.3 11.18 10.29N
-115 30 0 53 14 21 4 58 56 -6 17 282 3.36 23.3 11.17 10.28N
-115 15 0 53 0 9 4 59 18 -7 16 282 3.41 23.3 11.16 10.27N
-115 0 0 52 46 9 4 59 39 -7 16 282 3.47 23.3 11.15 10.26N
-114 45 0 52 32 19 4 59 59 -7 16 283 3.52 23.3 11.14 10.25N
-114 30 0 52 18 41 5 0 20 -8 16 283 3.58 23.3 11.13 10.24N
-114 15 0 52 5 13 5 0 39 -8 15 283 3.64 23.3 11.12 10.23N
-114 0 0 51 51 57 5 0 58 -8 15 283 3.71 23.3 11.11 10.22N
-113 45 0 51 38 50 5 1 17 -8 15 284 3.77 23.3 11.10 10.21N
-113 30 0 51 25 54 5 1 36 -9 15 284 3.84 23.2 11.09 10.20N
-113 15 0 51 13 8 5 1 54 -9 14 284 3.91 23.2 11.07 10.18N
-113 0 0 51 0 31 5 2 11 -9 14 285 3.98 23.2 11.06 10.17N
-112 45 0 50 48 5 5 2 29 -10 14 285 4.06 23.2 11.04 10.15N
-112 30 0 50 35 48 5 2 45 -10 14 285 4.13 23.2 11.03 10.14N
-112 15 0 50 23 40 5 3 2 -10 13 285 4.21 23.2 11.01 10.12N
-112 0 0 50 11 42 5 3 18 -10 13 286 4.30 23.2 11.00 10.11N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
1261 is double: 7.3 8.7 37" 191.0
Librations Long +6.00 Lat -1.06
P +10.94 D +2.46
Illumination of moon 16%+
Elongation of Moon 47
Vertical Profile Scale 4.22 km/arcsec at mean distance of moon
Horizontal Scale Factor 2.17 deg/min
At longitude -114.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
6.2 4.6 6.0 6.7 7.1 7.4 7.5 7.7
8.2 5.2 6.7 7.4 7.8 8.1 8.3 8.5
10.2 5.3 6.7 7.4 7.8 8.1 8.3 8.5
12.2 5.3 6.7 7.4 7.9 8.1 8.4 8.5
14.2 5.3 6.7 7.4 7.9 8.2 8.4 8.5
Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Barrhead -114.4 54.1 115km 5 0 24
Camrose -112.8 53.0 141km 5 2 21
Edmonton Downtown -113.5 53.5 135km 5 1 34
Edmonton Home -113.6 53.5 126km 5 1 28
Spruce Grove -113.9 53.5 110km 5 1 3
Wabamun -114.5 53.6 77km 5 0 19