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Many thanks for the invitation to the "Linzer Astronomische Gemeinschaft" LAG - www.sternwarte.at
On Monday, June 18, 2007 the earthmoon occults planet Venus on daylight sky. In Woodquarter the occultation happens on the southern sky at an elevation of about 60 degrees. In Woodquarter this is a total occultation. The planet disappeares at 14h27 UTC behind the dark moon limb and reappeares about 81 minutes later at 15h48 UTC on the bright moon limb. At this time the sun is in an elevation of 42 to 29 degrees above the southwest horizon and in a distance of only 42 degrees.
The disk of planet Venus is 44 percent lit by the sun on this day and shows a halfmoon like shape.
This occultation is observable with the unaided eye. But if using an optical device never look in the sun with it. Your eye would be damaged immediately and for ever.
Data table for Venus occultation in Woodquarter (all times in UTC)
Occultation Predictions for Nonndorf in Juni 2007
E.Long. 15 14 8.2 Lat. 48 47 13.5 Alt. 590m. T.dia 250mm. dMag 0.0
day Time P Star Sp Mag % Elon Sun Moon CA PA VA WA Libration A B RV Cct R.A. (J2000) Dec
y m d h m s No D V ill Alt Alt Az o o o o L B m/o m/o "/sec o h m s o m s
07 06 18 14 27 5 D Venus -4.4 15+ 45 42 60 187 64S 130 125 115 +6.5 -2.7 +1.4-1.6 .360 -10 8 59 29.1 18 58 28
Duration of Partial Stage for Disk = 70 secs
07 06 18 15 48 54 R Venus -4.4 15+ 45 29 54 222 -82N 292 265 277 +6.2 -2.5 +1.4-1.6 .383 -171 8 59 29.1 18 58 28
Duration of Partial Stage for Disk = 66 secs
07 06 18 20 31 35 d 1362cK3 7.2 16+ 47 -11 11 283 2S 194 152 179 +5.9 -2.0 -1.6-3.6 .119 -78 9 9 2.3 17 28 11
1362 is double : 7.5 9.0 0.005" 341.0
Table created with Occult3.6 from Dave Herald
| The occultation of Planet Venus in Woodquarter on the dark moon limb at 14:26 UTC |
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| The end of the Venus occultation in Woodquarter on the bright moon limb at 15:50 UTC |
 Diagrams created with Guide 8 from Bill J Gray |
Videos and images of Venus occultation on daylight sky - 2007/06/18
Earthmoon occults Venus on the dark limb - Realtime video MPEG4 (6.4MB)
End of Venus occultation on the bright moon limb - Realtime video MPEG4 (5.9MB)
(Duration 60 seconds)
(Duration 55 seconds)
Images from Venus and Moon on the evening before the occultation - exposured in Nonndorf Venus and Moon on the evening
before the occultation at 20:08 UTC
Venus and Moon on the evening
before the occultation at 20:12 UTC
Images from the observation - exposured on the Kepler Observatory in Linz
The Notebook before recording
The dome opening shows clouds on the sky
The 50 cm Cassegrain telescope with mount
Venus 14 minutes before the occultation
The 50 cm Cassegrain telescope
The camera in the Cassegrain focus of the 50cm telescope
Venus few seconds before occultation
The Venus rise on the horizon of the Earthmoon
Image of Venus and Moon on evening after the occultation - exposured during the journey home in Sandl Venus und Mond on evening after the occultation at 20:34 UTC
Result of Venus occultation 2007/06/18 in shortform
Observer position Observer
48° 17´ 36.3" North (WGS84) Members of the "Linzer Astronomischen Gemeinschaft"
14° 16´ 06.0" East (WGS84) Sternwarteweg 5, 4020 Linz - Austria
386m Height (WGS84) Gerhard Dangl, Nonndorf 12, 3830 - Austria
1. Contact (occultation start) : 14:25:45.032 (+/- 20ms)
Terminator total disappearance : 14:26:35.712 (+/- 20ms)
3. Contact (reappearance start): 15:47:51.239 (+/- 20ms)
Terminator total reappearance: 15:48:30.000 (+/- 500ms)
© 2007 G. Dangl
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