A wide field Ha(HaR)GB image of NGC6888, the Crescent Nebula in Cygnus.

Camera : Starlight Xpress SXV-H9 with Astronomik 13nm Ha and LRGB Type II dichroic filters


Telescope : Takahashi FS-102 at F/6 with focal reducer on a GM2000-FS2


Guiding : ST4 on a Vixen 80/910mm.


Exposure : Ha 6x1200sec. unbinned - RGB 5x300sec. each binned 2x2


Processing : MaxIm (align, combine, stretching) - Photoshop (final enhancing)


Location : from my backyard in Castano Primo (Mi)


Date : August 21, 2004


Note : one of the worst seeing i've ever seen!! I overlapped my previous Crescent image to improve resolution.

Click here to see a higher resolution image