Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 106  ·  NGC 4248  ·  NGC 4258
M 106, 


            Tom Harrison
M 106
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Technical card

Imaging telescopes or lenses: RCOS 12.5" Truss

Imaging cameras: SBIG STL6303e

Mounts: Paramount ME

Guiding telescopes or lenses: RCOS 12.5" Truss

Guiding cameras: SBIG STL6303e

Software: Maxim DL

Filters: Astrodon Tru-Balance Generation 2

Accessory: PIR  ·  Off-Axis Guider Homeyer

Dates:Feb. 19, 2009

Frames: 114x600" (19h)

Integration: 19h

Avg. Moon age: 24.45 days

Avg. Moon phase: 26.49%

Basic astrometry details

Astrometry.net job: 588005

RA center: 12h19m00s.2

DEC center: +47°1752

Orientation: -132.313 degrees

Field radius: 0.317 degrees

Resolution: 168x168

Locations: Texas, None; Fort Davis, None


M106 exhibits prominent lanes of dust stretching all the way to the core. It has active bright star forming regions highlighted by knots of hot young blue star fields. It apprears that it has undergone a gravitational disturbanace from an encounter with another passing galaxy in the not too distant past, having its faint outer arms stretched out in enlongated arcs. It is also considered an active Seyfert galaxy with a large and voratious black hole at its center devouring gas, dust and stars.

Object: M106

Constellation: Canes Venatici

Distance: Circa 22 Million Light-Years

Magnitude: 8.3

Date: February 2009

Place: Fort Davis, TX

Exposure Details: LRGB:630:180:150:180 unbinned

Processing: MaxIm DL, RegiStar, CCDStack, Photoshop CS3, etc.

Optics: 12.5" RCOS Truss

Focal Length: 2808

Mount: Paramount ME

Camera: STL6303E

Focuser: RCOS

Guiding: Off-Axis with SBIG Guide Camera

Filters: Tru-Balance LRGB 2" GenI



  • M 106, 


            Tom Harrison
  • Final
    M 106, 


            Tom Harrison

Sky plot

Sky plot


M 106, 


            Tom Harrison