M81 M82+Holmberg IX+IFN image

M81 M82+Holmberg IX+IFN


Acquisition Details
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Description

14.666 hours of M81 & M82 with the luminance filter. Location: DownUnder Observatory, Fremont MI Date of Shoot 21st, 30th, 31st January, 1st, 13th February 2012 22 x 40 minute sub exposures. Camera: QHY9M monochrome CCD www.astrofactors.com StarlightXpress Color Filter Wheel Scope: Thomas M. Back TMB 130SS F7 Refractor www.astronomics.com/main/product.asp/catalog_name/Astrono... Williams Optics WO68 Field Flattener. Autoguided using QHY5 autoguider, StarlightXpress Ultra Slim Off Axis guider Paramount GT-1100S German Equatorial Mount (with MKS 4000) Image Aquisition software Maxim DL5 Stacking software Deep sky Stacker Registered with Registar Post Processed with Photoshop CS4