Messier 66 (M66) is a spiral galaxy in the Leo constellation. Its alternative designation is NGC 3627. Along with Messier 65 and NGC 3628, it completes the Leo Triplet.

Image taken using the 32-inch Schulman telescope with STX camera on Mt. Lemmon, AZ. Data capture and reduction by Adam Block, University of Arizona. LLRGB processing with DDP by JDS using CCDStack, and Photoshop CS5.

In memory of Jon D. King.

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