Group Challenge : "Makarians Chain" (Galaxy cluster in Virgo)  
Markarian' s Chain Mosaic

Markarian' s Chain Mosaic(Austin Kreisler)

Acquisition Date : 4/24/2009
Camera : Canon 20D (Hutech modified); Baader MPCC; 2" Hutech IDAS LPS Filter
Camera Settings : 8 tile mosaic, each tile 5 x 180 seconds at ISO 1600
Telescope : Meade SN-8 (f/4); guided with Orion SSAG on Orion ST80A using PHD
Mount : Atlas EQ-G + EQMOD
Adapter / Prime / Afocal / Other : Prime
Processing Package / Processing Applied : Captured and Processed with MaxIm DL/DSLR 4.61
Web Site : http://home.windstream.net/ajk/MarkariansChain-20090424.html
NOTES : I wanted to get both M87 and M88 into the image, which meant this needed to be a mosaic.

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