Thursday, February 14, 2013

The Sun on February 13, Part III

Here's an inverted image of the sun on February 13.  Filaments show as bright areas and swirling around active areas is clearly visible.


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16 hour integration of the Heart Nebula with the Dwarf 3 telescope

The Heart Nebula can be a challenging object due to its low surface brightness, especially in my neighborhood where I image under Bortle 8/9...