Obrázok:Sunspot-2004.jpeg

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Sunspot-2004.jpeg (52KB, MIME : image/jpeg)

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Description

A large sunspot group in 2004 photographed at the 2. ATB. You can also see the granulation of the sun surface. The picture was taken using the following equipment:

  • 102/1000 refractor telescope
  • raw data taken with a webcam
  • image made with Giotto (software) out of the median of 1800 single pictures
Source

http://www.ralfs-webgalerie.de (Homepage of Ralf Weber)

Date

photo taken 2004

Author

Ralf Weber

Permission

Quotation of the permission Ralf Weber gave me at forum.astronomie.de:

  • de (original): Von mir aus können alle Bilder meiner Website hierfür verwendet werden, solange mein Name dabeisteht und die Website genannt wird.
  • en (translated): You can use all my images of my website, as long as my name is written next to them and my website is named.
The copyright holder of this file allows anyone to use it for any purpose, provided that the copyright holder is properly attributed. Redistribution, derivative work, commercial use, and all other use is permitted.

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