M51 wide field 6/3/2013, StarGale

M51 wide field 6/3/2013

Equipment

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Acquisition details

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Description

M51 wide field taken with unmodified Canon 350D unguided with PEC off on G11/G2 mount.

The polar alignment was a bit off, the stars in the subexposures drifted downward (RA drift) at a rate of about 1 pixel per minute. The horizontal motion (DEC drift) held pretty steady. The stars looked fairly round, probably because of soft focus.

Comments

Histogram

M51 wide field 6/3/2013, StarGale