Predictions for Grazing Occultation of ZC1978, 2016 Jun 15
Graze profile
Grazing Occultation of 1978cK0 Magnitude 6.6 [Red = 6.1] v
R1978 = 88 Virginis
Date: 2016 Jun 15 7h 52m, to 2016 Jun 15 8h 43m
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
135 0 0 -25 2 22.5 7 51 45 5 39 78 1.25 26.1 4.17 2.85N
135 30 0 -25 16 48.4 7 52 44 4 39 78 1.22 26.2 4.27 2.94N
136 0 0 -25 31 25.0 7 53 44 3 40 77 1.19 26.3 4.36 3.03N
136 30 0 -25 46 11.9 7 54 45 2 41 76 1.17 26.4 4.45 3.12N
137 0 0 -26 1 9.2 7 55 48 2 41 76 1.14 26.5 4.54 3.21N
137 30 0 -26 16 16.6 7 56 52 1 42 75 1.12 26.5 4.62 3.30N
138 0 0 -26 31 33.8 7 57 57 0 42 74 1.10 26.6 4.70 3.38N
138 30 0 -26 47 0.8 7 59 3 0 43 74 1.07 26.7 4.79 3.46N
139 0 0 -27 2 37.1 8 0 10 -1 44 73 1.05 26.8 4.87 3.54N
139 30 0 -27 18 22.6 8 1 18 -2 44 72 1.03 26.9 4.94 3.62N
140 0 0 -27 34 17.0 8 2 28 -3 45 71 1.01 26.9 5.02 3.69N
140 30 0 -27 50 20.0 8 3 38 -3 45 70 0.99 27.0 5.09 3.76N
141 0 0 -28 6 31.2 8 4 50 -4 46 69 0.97 27.1 5.16 3.83N
141 30 0 -28 22 50.2 8 6 3 -5 46 69 0.95 27.1 5.23 3.90N
142 0 0 -28 39 16.8 8 7 17 -6 47 68 0.93 27.2 5.29 3.96N
142 30 0 -28 55 50.6 8 8 32 -7 48 67 0.92 27.3 5.35 4.02N
143 0 0 -29 12 31.0 8 9 47 -7 48 66 0.90 27.3 5.41 4.08N
143 30 0 -29 29 17.8 8 11 4 -8 49 65 0.88 27.4 5.46 4.14N
144 0 0 -29 46 10.4 8 12 22 -9 49 64 0.87 27.4 5.51 4.19N
144 30 0 -30 3 8.3 8 13 41 -10 50 62 0.85 27.5 5.56 4.24N
145 0 0 -30 20 11.2 8 15 0 -10 50 61 0.83 27.5 5.61 4.28N
145 30 0 -30 37 18.5 8 16 20 -11 51 60 0.82 27.6 5.65 4.32N
146 0 0 -30 54 29.6 8 17 41 -12 51 59 0.81 27.6 5.68 4.36N
146 30 0 -31 11 44.1 8 19 3 52 58 0.79 27.6 5.72 4.39N
147 0 0 -31 29 1.4 8 20 26 52 57 0.78 27.7 5.75 4.42N
147 30 0 -31 46 21.0 8 21 49 52 55 0.77 27.7 5.77 4.45N
148 0 0 -32 3 42.3 8 23 13 53 54 0.76 27.7 5.79 4.47N
148 30 0 -32 21 4.7 8 24 37 53 53 0.75 27.7 5.81 4.49N
149 0 0 -32 38 27.7 8 26 2 54 51 0.73 27.7 5.82 4.50N
149 30 0 -32 55 50.7 8 27 28 54 50 0.72 27.8 5.83 4.51N
150 0 0 -33 13 13.2 8 28 53 54 49 0.72 27.8 5.84 4.52N
150 30 0 -33 30 34.6 8 30 20 55 47 0.71 27.8 5.84 4.52N
151 0 0 -33 47 54.2 8 31 46 55 46 0.70 27.8 5.84 4.51N
151 30 0 -34 5 11.7 8 33 13 55 44 0.69 27.7 5.83 4.51N
152 0 0 -34 22 26.4 8 34 40 56 43 0.68 27.7 5.82 4.49N
152 30 0 -34 39 37.6 8 36 7 56 41 0.68 27.7 5.80 4.48N
153 0 0 -34 56 44.9 8 37 35 56 39 0.67 27.7 5.78 4.46N
153 30 0 -35 13 47.8 8 39 2 56 38 0.66 27.7 5.76 4.43N
154 0 0 -35 30 45.7 8 40 29 57 36 0.66 27.6 5.73 4.41N
154 30 0 -35 47 38.1 8 41 57 57 35 0.65 27.6 5.70 4.37N
155 0 0 -36 4 24.7 8 43 24 57 33 0.65 27.6 5.66 4.34N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level. The path
is adjusted for the effects of refraction at low moon altitudes.
Projected diameter of star 1 meters [Estimated]
1978 is variable:
1978 = HIP 67355, 6.57, range 0.00, 7V, Type VAR, Period 19.96406 days
1978 is double:
This next pair is not confirmed
** 7.4 7.4 0.10" 90.0 (OCc1454) Graze path of ? approximately 0.1 km south, and 0.3 secs later compared to the primary
- refer to graze profile for exact distances
Librations Long +1.30 Lat -4.81
P +5.51 D +5.17
Illumination of moon 77%+
Elongation of Moon 123
Vertical Profile Scale approx. 2.20 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.33 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
0.3 2.8 4.2 4.9 5.4 5.7 6.0 6.1
2.3 3.5 4.9 5.7 6.2 6.5 6.7 6.9
4.3 4.7 6.2 6.9 7.4 7.8 8.0 8.2
6.3 4.8 6.2 7.0 7.5 7.8 8.1 8.3
8.3 5.6 7.0 7.8 8.4 8.7 9.0 9.2
------------------------------------------------------------------------------
Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Lunar Limb Profile