M57 Ring Nebula

Posted by Umair Asim
on Friday, July 17, 2009
Equipment: OTA: Celestron C14 Mount: Losmandy Titan Camera; SBIG ST9XE Filter Wheel: CFW10 Filters: Custom Scientific and Hutech LPS Guiding: AO8, Internal guiding Exposure: Luminance: 60 minutes Red: 30 minutes Green: 30 minutes Blue: 60 minutes 10 minutes sub-exposures Acquisition & Processing: CCDSoft, Maxim DL, Photoshop CS4
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