At a distance of some 300 Million light years, NGC 6872 in Pavo appears quite small on the sky
but at over 500,000 light years in diameter, it is the second largest spiral galaxy known.

Read more here: http://www.spacetelescope.org/images/potw1437a/

Orion Optics AG12 F3.8
Starlightxpress SXVF-H694, SX USB CFW, SX OAG unit + Atlas Focuser
LRGB = 12.5hrs 1hr 1hr 1hr = 15.5hrs total exposure (bin 1X1) New Deep-Sky RGB Astronomik filters
-20C chip temp, flats used but no dark frames.
Focal length 1120mm
Image scale 0.84"/pix
Guide Camera: Starlightxpress Lodestar

Comments
Taken over nights, clear, no moon, reasonably good seeing

Equipment setup:

http://www.pbase.com/strongmanmike2002/image/151108788/original

Some links to equipment used to take this image:

Orion Optics UK

http://www.orionoptics.co.uk/

StarlightXpress CCD Cameras and imaging equipment

http://www.sxccd.com/products

Finger Lakes Instrumentation CCD cameras:

http://www.flicamera.com/

Astro Shop (Aus)

http://www.astroshop.com.au/

Astro-Elecronic FS2 scope GOTO controller:

http://www.astro-electronic.de/

Gerd Neumann and Astronomik filters:

http://www.astronomik.com/en/home

http://www.gerdneumann.net/

MSB Software & Astroart 5

http://www.msb-astroart.com/

Catseye Collimation

http://www.catseyecollimation.com/

STAR Atlas:PRO planetarium software:

http://www.staratlaspro.com/