Merry Christmas and Happy New 2012 Year

Submitted by nikipetrov on 24 December, 2011 - 13:16

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

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Iridescent cloud over the Rila Mountain

Submitted by nikipetrov on 31 October, 2011 - 11:44

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

Submitted by nikipetrov on 2 January, 2011 - 11:21

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

Submitted by nikipetrov on 22 December, 2010 - 22:36

Wish you all a Merry Christmas and a Happy New Year

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ISS over the Sun

Submitted by nikipetrov on 7 August, 2010 - 10:17

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.

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Sunspots image 07 Aug 2010

Submitted by nikipetrov on 7 August, 2010 - 09:51

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.

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Happy Easter

Submitted by nikipetrov on 3 April, 2010 - 21:13

Happy Easter

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Solar Halo on 03 April 2010

Submitted by nikipetrov on 3 April, 2010 - 21:02

A 22^osolar 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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Partial blue Moon eclipse on 31 Dec 2009

Submitted by nikipetrov on 9 January, 2010 - 11:31

Just before the end of 2009 we ware witness of the second full Moon of December named a Blue Moon. But only 3 hours before the New Year the Nature was present a follow phenomenon for us as a partial lunar eclipse. If we believe of superstitions or myths now is the moment to expect a lot of surprises from 2010.