Transit of Venus 2012

Wolfsberg near Klagenfurt, Southern Austria

6th of June 2012

Th Boeckel

in deutsch

The weather forecast for the whole area in South Germany was more than terrible. The photo from A. Heidl shows the condition in the morning on the 6th of June. So I decided in the evening of the 5th of June after a long investigation of the weather/cloud streaming videos to escape to South Austria. But surprise, when I arrived at Klagenfurt the sky was also complete cloudy. So I changed the place 50 km north east to Wolfsberg. Here the sky seems perfect till the sunset.

Venustransit, Venus Transit 2012 by Boeckel

Hopeful the Sun-Venus-Set was expected behind a ridge

Venustransit, Venus Transit 2012 by Boeckel    Venustransit, Venus Transit 2012 by Boeckel    Venustransit, Venus Transit 2012 by Boeckel

Upper three photos: Exposure 1/8000 sec ASA100 without Herschelkeil or sun foil; Nikon 600mm (dig 900mm) f 44

The first 28 minutes of the sunset were passed because of a 5,5 degree high moutain ridge in front of me. Tricky, but this was an advantage for the next photos. An increasing milky condition in the upper cloud layers was recognised during the sun rise at 7:53- 7:58 MEZS. But so far the exposures could be right done and it was an experiment without sun foil. The declining seeing didn't disturbed the Sun-Venus scene in its sharpness anyway. This circumstance remembered me to the natural atmosphere filter of  the partial solar eclipse 2011.

 Venustransit, Venus Transit 2012 by Boeckel    Venustransit, Venus Transit 2012 by Boeckel

Changing from f:44 to Baaders sun foil. Till now no dense clouds are passing the sun disk.

Venustransit, Venus Transit 2012 by Boeckel    Venustransit, Venus Transit 2012 by Boeckel

Venustransit, Venus Transit 2012 by Boeckel    Ambrym, Marum Volcano 2012, by Th. Boeckel

Upper six photos: Exposure 1/30 sec ASA500  with sun foil 600mm (dig 900mm) f 8

Later at home... I was enlightened, that I had only 5 minutes of 'clear sky' to take this photos.

 Ambrym, Marum Volcano 2012, by Th. Boeckel   

Exposure 1/320 sec ASA200 with Herschelkeil and FFC, Skywatcher 600mm (dig 900mm) f 6,5

Now I changed the telescope by using the Herschelkeil. Minutes later the first clouds disturbed the observation

    Ambrym, Marum Volcano 2012, by Th. Boeckel    Ambrym, Marum Volcano 2012, by Th. Boeckel    Ambrym, Marum Volcano 2012, by Th. Boeckel

Strong air turbulances makes the detailed photography impossible

Blank parade: Here are the worst exposures. On the right the undisputable winner

Quitting time at 6:22 MESZ: Seen very seldom. In a time of less than three minutes the high cloud weather condition turns completly bad in the whole Southern Alps area.


HERE A BAADER PLANETARIUM SPECIAL 

THE LOMONOSSOV BOW

Lomonossov Bogen By Baader Planetarium Team

Refraction of the sun light  in the Venus atmosphere: Apprx.50 images stacked.
AstroPhysics 130 auf MACH 1, Baader Herschelkeil, DMK.

The Baader Planetarium Team: Sebastian Voltmer, Johannes Baader, Martin Rietze and Michael Risch were positioned in Hungary on a potato plat.

Greetings from the Baader Planetarium               also more at ALPE by M.Rietze

Respekt! TB


 This phenomena was nearly similar observed 8 years before.

Transit of Venus 2004


 

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© 2012, Photos and text from Thorsten Böckel, last modification 06/07/2012