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Contains:  M 106, NGC 4258, NGC 4248, NGC 4232, NGC 4231
Getting plate-solving status, please wait...


            Frank Colosimo


Technical card

Resolution: 3955x2616

Dates:March 30, 2011

Frames: 132x449"

Integration: 16.5 hours

Avg. Moon age: 25.85 days

Avg. Moon phase: 14.53% job: 2388245

RA center: 184.692 degrees

DEC center: 47.361 degrees

Pixel scale: 0.733 arcsec/pixel

Orientation: 339.641 degrees

Field radius: 0.483 degrees

Locations: Blue Mountain Vista Observatories, New Ringgold, Pennsylvania, United States

Data source: Backyard


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.

Imaging data:
Date: Mar 28, 29, 30 2011 Processed in Nov 2018
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
Guiding: Self-guided
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.



Frank Colosimo
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot




            Frank Colosimo

In these public groups

Cloudy Nights
Northeast Imagers