Core of M31 - Frank Marks (frank)

Description

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One 4 minutes exposure using a StarLight Xpress MX5-C CCD camera mounted at F4 focus on a Orion RS200 8" reflector by Vixen . This unit was mounted Orion GP equatorial mount by Vixen with Vixen SkySensor 2000 goto controller. Unguided. I used Maxim/DL CCD software from Diffraction Limited.