Blue Mountain Vista Observatory New RInggold PA
M106 or NGC 4258 is a magnificent spiral galaxy in Canes Venatici. It is about 22
million light years away. It has apparent dimensions of 19x8 arc minutes and a visual
brightness of 8.4 magnitude. NGC 4248 is the smaller galaxy to the right at mag 12.6
and 3 arc minutes in size. Many other small galaxies can also be seen in this rich field.
Date: Mar 28, 29, 30 2011
Location: New Ringgold PA
Optics: Hyperion 12.5 inch f/9 2532mm focal length
Mount: Paramount ME
Camera/Filters: SBIG STL 11000 camera Baader filters
Exposure: Luminance: 40x10 minutes unbinned, R:35x7 min G:26x6 min B:31x6 min,
all binned 2x2. The total time was 16.5 hours
Processing: Image acquisition using CCD Autopilot. Initial processing was done using
Maxim DL with subsequent processing using Photoshop.