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Astrophotography of Star Clusters



Double Cluster in Perseus, NGC 869, 884, AT66ED, Canon 40D

Double Cluster in Perseus, NGC 869, 884


Date: March 13, 2010

Telescope: Astro-Tech 66ED f/4.8 piggybacked on Orion 120ED on a polar aligned CG5 mount

Camera: Canon EOS 40D

Exposure: 9 30-sec subframes (4.5 min total) ISO 1600 guided with Meade DSI pro and Orion 120ED using PHD guiding.

Comments: Williams Optics 0.8x focal reducer.




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