Astrophotography of Galaxies
NGC 253, Silver Dollar Galaxy using an AT66ED
Date: December 3, 2008
Telescope: Astro-Tech 66ED f/4.8 piggybacked on Orion 120ED on CG5 mount
Camera: Starlight Xpress SXV-H9C
Exposure: 20 2-min subframes (40 min total) guided with Meade DSI pro and Orion 120ED using PHD guiding.
Comments: Williams Optics 0.8x focal reducer, Baader UV/IR cut filter