Bubble Nebula in mono Ha

This competition is now closed

November 20, 2011 at 2:43 pm

Tom Richardson

Smethwick Birmingham

Skywatcher 80ED f/7.5, Heq5 mount, Atik 16ic mono ccd, Baader 7nm Ha filter.

Bubble Nebula in Mono Ha only.

20 X 300 seconds.

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