Predictions for Grazing Occultation of ZC2826, 2016 Oct 9
Graze profile
Grazing Occultation of 2826cF0 Magnitude 3.9 [Red = 3.8] v
R2826 = rho Sagittarii
Date: 2016 Oct 09 11h 52m, to 2016 Oct 09 12h 23m
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 -33 0 55.2 11 51 30 50 282 0.82 166.8 175.82 5.40S
135 30 0 -32 49 30.9 11 52 29 50 281 0.84 166.7 175.76 5.46S
136 0 0 -32 38 0.9 11 53 28 49 281 0.86 166.7 175.70 5.52S
136 30 0 -32 26 25.2 11 54 26 49 280 0.88 166.6 175.65 5.57S
137 0 0 -32 14 44.2 11 55 24 48 279 0.89 166.6 175.61 5.61S
137 30 0 -32 2 58.1 11 56 21 48 278 0.91 166.5 175.56 5.66S
138 0 0 -31 51 6.9 11 57 18 47 278 0.93 166.5 175.52 5.70S
138 30 0 -31 39 11.0 11 58 15 46 277 0.95 166.4 175.48 5.74S
139 0 0 -31 27 10.6 11 59 11 46 276 0.97 166.4 175.44 5.78S
139 30 0 -31 15 5.9 12 0 6 45 276 0.99 166.4 175.41 5.81S
140 0 0 -31 2 57.1 12 1 1 45 275 1.01 166.3 175.37 5.85S
140 30 0 -30 50 44.3 12 1 55 44 275 1.04 166.3 175.34 5.88S
141 0 0 -30 38 27.9 12 2 49 43 274 1.06 166.3 175.31 5.91S
141 30 0 -30 26 8.1 12 3 42 43 273 1.08 166.2 175.28 5.94S
142 0 0 -30 13 45.0 12 4 35 42 273 1.10 166.2 175.26 5.96S
142 30 0 -30 1 19.0 12 5 27 42 272 1.13 166.2 175.23 5.99S
143 0 0 -29 48 50.1 12 6 18 41 272 1.15 166.2 175.21 6.01S
143 30 0 -29 36 18.7 12 7 9 40 271 1.18 166.1 175.19 6.03S
144 0 0 -29 23 44.9 12 7 59 40 271 1.20 166.1 175.17 6.05S
144 30 0 -29 11 9.0 12 8 48 39 270 1.23 166.1 175.16 6.06S
145 0 0 -28 58 31.1 12 9 37 38 270 1.26 166.1 175.14 6.08S
145 30 0 -28 45 51.6 12 10 25 38 269 1.29 166.1 175.13 6.09S
146 0 0 -28 33 10.5 12 11 12 37 269 1.32 166.1 175.12 6.10S
146 30 0 -28 20 28.2 12 11 59 37 268 1.35 166.1 175.11 6.11S
147 0 0 -28 7 44.8 12 12 45 36 268 1.38 166.1 175.11 6.11S
147 30 0 -27 55 0.4 12 13 30 35 267 1.41 166.1 175.10 6.12S
148 0 0 -27 42 15.4 12 14 14 35 267 1.44 166.1 175.10 6.12S
148 30 0 -27 29 29.9 12 14 58 34 266 1.47 166.1 175.10 6.12S
149 0 0 -27 16 44.1 12 15 41 34 266 1.51 166.1 175.10 6.12S
149 30 0 -27 3 58.2 12 16 23 33 265 1.54 166.1 175.10 6.12S
150 0 0 -26 51 12.4 12 17 5 32 265 1.58 166.1 175.11 6.11S
150 30 0 -26 38 26.8 12 17 46 32 265 1.62 166.1 175.11 6.11S
151 0 0 -26 25 41.7 12 18 26 31 264 1.66 166.1 175.12 6.10S
151 30 0 -26 12 57.2 12 19 5 30 264 1.70 166.1 175.13 6.09S
152 0 0 -26 0 13.5 12 19 43 30 263 1.74 166.1 175.14 6.08S
152 30 0 -25 47 30.7 12 20 21 29 263 1.79 166.1 175.15 6.07S
153 0 0 -25 34 49.0 12 20 58 29 263 1.83 166.1 175.16 6.06S
153 30 0 -25 22 8.7 12 21 34 28 262 1.88 166.1 175.18 6.04S
154 0 0 -25 9 29.7 12 22 9 27 262 1.93 166.1 175.19 6.02S
154 30 0 -24 56 52.3 12 22 44 27 262 1.98 166.2 175.21 6.01S
155 0 0 -24 44 16.7 12 23 18 26 261 2.03 166.2 175.23 5.99S
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 2 meters [CHARM/CADARS, 1 measures]
2826 is variable:
2826 = rho 1 Sgr, 3.9 to 3.94, V, Type DSCTC, Period 0.05 days
2826 is double:
This next pair is not confirmed
** 4.2 6.7 0.036" 325.5 (OCc 543) Graze path of ? approximately 0.1 km south, and 0.0 secs earlier compared to the primary
- refer to graze profile for exact distances
C A S S I N I R E G I O N G R A Z E
Librations Long -7.27 Lat -5.67
P +175.84 D -6.00
Illumination of moon 53%+
Elongation of Moon 93
Vertical Profile Scale approx. 2.01 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.55 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
2.1 4.9 6.3 7.1 7.6 7.9 8.1 8.3
4.1 5.7 7.1 7.9 8.4 8.8 9.0 9.2
6.1 5.7 7.2 7.9 8.5 8.8 9.1 9.2
8.1 5.7 7.2 8.0 8.5 8.8 9.1 9.3
10.1 5.7 7.2 8.0 8.5 8.8 9.1 9.3
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AAVSO Variable star entry
Variable identifier Type Max Min Ph Epoch Period
rho 1 Sgr DSCTC 3.9 3.94 V 0.05
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Adelaide 138.6 -34.6 296km 11 58 26.0
Albany 117.8 -35.0 347km 11 15 27.2
AU Mid 143.0 -30.6 78km 12 6 17.8
Brisbane 153.1 -27.5 191km 12 21 1.5
Bundaberg 152.3 -24.8 107km 12 20 8.4
Rockhampton 150.5 -23.4 330km 12 17 45.5
Lunar Limb Profile
