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Astrophotography of Star Clusters

M45, the Pleiades, the Seven Sisters, using an AT66ED

M45, AT66ED

Date: November 30, 2008

Telescope: Astro-Tech 66ED piggybacked on Orion 120ED on a polar aligned CG5 mount

Camera: Starlight Xpress SXV-H9C

Exposure: 16 5-min subframes (80 min total) guided with Meade DSI pro and Orion 120ED using PHD guiding.

Comments: Baader UV/IR cut filter, notice the lower nose level with the longer exposure.

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