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M51 in Ha, OIII and Blue, this is a full false colour image of M51, the red areas are star creating and emmission Hydrogen alpha areas, the rreen are rich in OIII emmissions.

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File information
Album name:CSuddell / Messier Objects
Rating (4 votes):33333
Link-words:Messier / Galaxy
Image date, time and location:April 2005
Telescope aperture and focal ratio:Meade LX90 at F3.3 with 50x1sec blue, 20x20sec OIII and 20x30sec Ha stacked in AIP4WIN, aligned in Stalla Magic and RGB stacked in Registax and finished in Photoshop.
Filesize:61 KiB
Date added:May 07, 2005
Dimensions:400 x 325 pixels
Displayed:272 times
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