23 hours of M33 image

23 hours of M33


Acquisition Details
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Description

Total Exposure time 23.75 hours Date of Shoot 2nd thru 7th and 9th October 2011, 4th November 2012 Location: DownUnder Observatory, Fremont MI Camera: QHY9M monochrome CCD cooled to -30C Exposures: All exposures un binned (1x1) RED 12x15 min GREEN 16x15 min BLUE 16x15 min LUM 13x15 min H-Alpha 25x20 min StarlightXpress Color Filter Wheel Optics: TMB92SS F5.5 Refractor and TMB 130SS F7 Refractor using Williams Optics 68mm Field Flattener. Autoguided using QHY5 autoguider, StarlightXpress Ultra Slim Off Axis guider Mount: Paramount GT-1100S MKS 4000 German Equatorial Mount Image Acquisition software Maxim DL5 Stacking software CCDStack Registered with Registar Post Processed with Photoshop CS5. Clear Skies Terry