NGC 4258 (M106) 19' X 8'


Image is a combination of 15 images, each of 60 seconds. This used 2x2 binning. Each of the images was corrected with a dark frame and a flat field. The images taken with a Alta-U16MD7D9 attached to an OGS 20” F/8.1 telescope.

An STV was atttached to a Televue 85 for guiding.

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Last updated: February 22, 2015