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NGC 6306/NGC 6307
Penryn, California
June 2007
M 250 @ f 9.3 (ag, ST-4)
ST-10XME LRGB 10 minute subs

NGC 6306 at lower right is classified as SBa-b/P with a surface brightness of mag. 14.  NGC 6307 is at upper left and is classified as SBO-a R with a surface brightness of mag 14.3.

NGC 6307 shows extensive star forming activity with disparate radial velocities within the galaxy (Kazarian,, 1977).