M106 and Neighbors
Magnitude: Roughly magnitude 8.4
Size: about 19' x 8'
Distance: 25 million light years
RA: 12h 19m
Dec: 47 degrees 18'
M106 is a bright spiral galaxy located in the constellation Canes
Venatici. Like M63
and M94, it was
discovered by Pierre Mechain in 1781 and later added to Messier's
catalog. Several surrounding galaxies are present in this
field of view. Please click here for more
information about this interesting galaxy.
Date: June 7, 2005
FS-102 at f6 with TOA-130 focal reducer, on the G11 Losmandy
Autoguider: SBIG STV with
Camera: Maxcam CM10 (Finger Lakes Instruments).
12 x 8' each. Total
exposure duration 96 minutes.
Conditions: Temperature 80 degrees F dropping to 65
degrees at end of session (I needed to refocus every 30 minutes); below
transparency; humid; poor seeing; intermittent breeze. Imaging
performed at -20 degrees C throughout.
subs were debloomed with Ron Wodaski's Debloomer software, and then
aligned in Registar. Sigma combined using RC Sigma Reject
MaximDL, followed by DDP
in ImagesPlus (IP). Subsequent
levels and curves adjustments in Photoshop CS (16 bit format).
note: Graphics on this website
may not be reproduced without author permission.
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