Bode’s Cigar

We had another great night of observing at Norton Cemetery on May 12th. Early thin clouds gave way to improved seeing and transparency as the night progressed, with great views of Jupiter. Sometime I’ll experiment with planetary imaging but I’m not set up for it yet.

Rather, I took some four-minute exposures of M81&M82 (Bodes nebula and the Cigar Galaxy) and got five shots that were decent enough to stack:

M81&M82

Canon 40D Parameter Notes
Shot through CPC-800 F6.3 F6.3 Focal Reducer
ISO 1600
Exposure 240s Auto-guiding to a few arc-seconds accuracy.
Exposures 5 sub-frames

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