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Astrophotography of Star Clusters

M4 globular cluster

M4 globular cluster

Date: June 5, 2005

Telescope: Celestron NexStar 8 GPS Alt/Az f/3.3

Camera: Meade DSI color I

Exposure: 22 60-sec subframes (22 min total) unguided

Comments: Comma in lower left corner from camera not tight in visual back.

Astronomy and Birding Photography