NGC 7636, the Bubble nebula and the open cluster NGC 7654
The November 01st, 2006 at Savigny le Temple (Seine et Marne, France). Televue TV-76 refractor with focal reducer (f/5). Audine3200e CCD camera, Lumicon H-alpha pass filter and Astronomik R filter (28 nm FWHM). Total exposure: 120min under urban sky. North is up.
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