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Merry Christmas and Happy New 2013 Year

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Doomsday on 21 December 2012 - End of the world or the day of misunderstanding?

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Doomsday on 21 December 2012 - End of the world or the day of misunderstanding?

 

Powerful solar explosions, blasts of supernovae or gamma bursts of stars are certain factors for the occurrence of wildlife on Earth. All these factors could lead to rapid mutation pattern and great biodiversity. Of course, we

Merry Christmas and Happy New 2012 Year

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Wish you all a Merry Christmas and a Happy New Year!

 

Iridescent cloud over the Rila Mountain

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Iridescent cloud

Canon PowerShot SX10 IS, focal length: 40mm, f/5.0, exp. time: 1/640 sec, ISO: 80

28 Oct 2011 06:49 UT, photo: Anton Stoychev

 

Quadrantids meteor shower 2011

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The night on January 3th, 2011 Quadrantids meteor shower is at it's maximum. The Quadrantids are an above average shower, with about 80 meteors per hour at their peak. Best viewing will be from a dark location after midnight. Look for meteors radiating from the constellation Bootes. For Bulgaria the constellation Bootes on Jun 3th is visible after midnight in North-East direction on the horizon (Fig. below). Quadrantids are bright, blue and enter into the Earth atmosphere fast. Themselves speed is about 41 km/s.

Merry Christmas and Happy New Year

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Wish you all a Merry Christmas and a Happy New Year

ISS over the Sun

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On July 15th, 2010 at 14:27 (LST) the ISS crossed the solar disk as seen from Varna, Bulgaria. The image was taken by Emil Ivanov with CANON 40 D camera and 840mm CANON objectve.

Sunspots image 07 Aug 2010

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Sunspots observations in White-Light from the teritory of National Astronomical Observatory ROZHEN. The image was taken by Tsvetan Tsvetkov and Yovelina Zinkova with refractor telescope 80/1200 and Digital camera CANON EOS 350 D- summer astronomical scool Haskovo-Dimitrovgrad 2010.

Happy Easter

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Happy Easter

Solar Halo on 03 April 2010

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A 22o solar halo was visible on 03 Apr 2010, 08:47 LT from the territory of the National Astronomical Observatory Rozhen.
The halo was visible on the cloudy sky background through trees as a divine glory.
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