Coma Galaxy Cluster
Magnitude: Varies- NGC 4874
(larger galaxy to left of center) is 12.9; NGC 4884 (larger galaxy
roughly at center) is 12.5
Size: FOV of above image is roughly 1.38 degrees x 56 arcminutes
Distance: 350 million light years
RA: 12h 59m 54s
Dec: +27 degrees 55' 27"
This is popular cluster of springtime
galaxies, located in Coma Berenices, at a distance of 350 million light
years. Most of the "stars" in this image are actually faint
information on the Coma Cluster may be found here.
Date: April 28, 2006.
FS-102 at f6 , on the G11 Losmandy
Autoguider: SBIG STV with
Camera: Maxcam CM10
clear filter; IDAS LPS.
Exposures: 150 minutes, unbinned.
Conditions: Temperature 50 degrees F, dropping to mid
30's by dawn; good
transparency; average seeing.
Post-processing: Debloomed with Ron Wodaski's
Debloomer software, calibrated and aligned in Maxim, combined
using RC Sigma Reject
MaximDL, followed by DDP
in ImagesPlus (IP). Levels,
curves, high-pass sharpening in Photoshop CS (16
note: Graphics on this website
may not be reproduced without author permission.
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