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Stellar classification

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In astronomy, stellar classification is a classification of stars based on its spectral characteristics

IDL Power Visualization and Analysis Ver. 7.0.6

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 On 12 Apr 2009 we have installed IDL Power Visualization and Analysis Ver. 7.0.6 at the National Astronomical Observatory Rozhen.

The software licensing was funded by BG NSF grant NIK – 05

Total solar eclipse 2009

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Next total solar eclipse will be on 22 July 2009.

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