NGC 4565

NGC 4565
All Images Copyright Steve Cannistra

Please click here for a medium sized view (40%)
Please click here for a larger sized view (60%)
Please click here for a very large sized view (80%)

Magnitude:  10.19
Size: 14'
Distance: 30 million light years
RA: 12h 36m 33.5s
Dec: 25 degrees 57' 16"
PA: plus 22 degrees

NGC 4565 is
located in the constellation Coma Berenices (Bernice's Hair) and is perhaps the most famous example of an edge-on spiral galaxy.   It is a relatively bright, needle-like structure when viewed visually in 8-10" scopes, although the intricate central dust lane can be best appreciated on photographs.  Lord Rosse described this galaxy in 1855 as "a beautiful object, very well seen in the finding eyepiece; the whole nebula is much broader at the nucleus than elsewhere, narrowing off suddenly, and the nucleus projects into dark space" (Burnham's Celestial Handbook, Volume 2, page 688, Dover Publishing, 1977).  Massive dust lanes that bisect spiral galaxies into top and bottom halves such as this are quite common and can be seen in NGC891, NGC3628, as well as in the Great Rift of our own Milky Way galaxy.  There are many other galaxies present in this FOV, best seen in the links to the larger images above.  More information about NGC 4565 may be found here.

Photographic Details:
Date:  April 1 and 2, 2010
Scope:  Vixen VC200L at f6.4 on the Takahashi NJP Mount
Autoguider:  SBIG ST-402
Camera:  ST8300 -20C

Astronomik Clear (unblocked) filter
Exposures:  Clear 96 x 5' = 480'.  Total exposure 8 hours
Post-processing:  Calibrated in Maxim, aligned and stacked using DeepSkyStacker, followed by DDP in ImagesPlus (IP).  Further processing in Photoshop CS4. 

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