Milkyway:
M92 in Hercules 23rd of August 2011
C8 at F10, SBIG ST-4000XCM -20C 2h30min (18x600sec). Poor conditions drifting thin clouds, relatively brigth sky.
Light travel time: 26700 years.
Processing: CCDSoft, AstroArt 5.0 cal. and DDE, gradient removal, PSE 9 adjustments.
