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Recent blog posts

  • The observatory is off the Internet
  • Merry Christmas and Happy New 2012 Year
  • Iridescent cloud over the Rila Mountain
  • Site changes
  • Quadrantids meteor shower 2011
  • Merry Christmas and Happy New Year
  • ISS over the Sun
  • Sunspots image 07 Aug 2010
  • Update
  • NAO Rozhen on space.com :)
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Recent comments

  • Thank you :)
    23 weeks 3 days ago
  • Yes, it is rotating :)
    23 weeks 3 days ago
  • So is it?
    23 weeks 4 days ago
  • Is the sun rotating?
    24 weeks 1 day ago
  • Those clouds :)
    32 weeks 6 days ago
  • Amazing
    34 weeks 5 days ago
  • Весела Коледа, Фантастична
    1 year 6 weeks ago
  • Nice picture
    1 year 24 weeks ago
  • Beautiful
    1 year 24 weeks ago
  • Backlight question
    1 year 24 weeks ago
Home

Active prominences

Active prominences

20110902 Active Prominence

  • Active prominences
  • 02 Sep 2011 06:55:00 UT
  • solar coronagraph
  • CANON EOS 350 D
  • N. Petrov
  • NAO Rozhen
20110902 Active Prominence
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20110425 Active Prominences W

  • Active prominences
  • 25 Apr 2011 05:24:27 UT
  • solar coronagraph
  • CANON EOS 350 D
  • N. Petrov
  • NAO Rozhen
20110425 Active Prominences W

The image shows a loop active prominence in H-alpha line on the western limb of the Sun. Under the prominence is available active region 1190 (in continuum).

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20101230 Active prominence NW

  • Active prominences
  • 30 Dec 2010 06:51:50 UT
  • solar coronagraph
  • CANON EOS 350 D
  • N. Petrov
  • NAO Rozhen
20101230 Active prominence NW
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20090923 Quiescent prominence and active prominences

  • Active prominences
  • 23 Sep 2009 09:25:00
  • solar coronagraph
  • Canon EOS 350D
  • BG
  • N. Petrov
  • NAO Rozhen
20090923 Quiescent prominence and active prominences
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20090915 Active prominence

  • Active prominences
  • 15 Sep 2009 09:54
  • solar coronagraph
  • Canon EOS 350D
  • BG
  • N. Petrov
  • NAO Rozhen
20090915 Active prominence
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Quiescent prominence and active prominences

  • Active prominences
  • 24 May 2008 08:24:23
  • solar coronagraph
  • CANON EOS 350 D
Quiescent prominence and active prominences

20080109 Active prominence

  • Active prominences
  • 09 Jan 2008 09:54
  • solar coronagraph
  • CANON EOS 350 D
  • N. Petrov
  • NAO Rozhen
20080109 Active prominence
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Popular content

Today's:

  • A list of the papers by years published by members of the Department “Sun” (1984-2010)
  • The Green Flash Phenomenon
  • Views from NAO Rozhen
  • NGC 6888 in Ha
  • NGC 6992 - The Veil Nebula in RGB
  • Partial blue Moon eclipse on 31 Dec 2009
  • tse 22July2009

 Emil Ivanov, Astrophotography

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