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Messier 99
NGC 4254

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DESCRIPTION
M99 was discovered on March 15, 1781 by Messier's colleague and friend, Pierre Méchain, together with the nearby situated M98 and M100. Charles Messier measured its position and included it in his catalog on April 13, 1781, immediately before finishing the third, final published edition.


Constellation: Coma Berenices - Distance: 60 Million Light Years
RA: 12h 18.8m - DEC: +14d 25m - Magnitude: 9.9 - Apparent Size: 5.4' x 4.8'
Date Taken: 04-09-05 and 05-11-05
Telescope: Celestron 9.25 SCT @ f/10.4 (.55" pixel scale)
Camera: SBIG ST10XME
Filters: Astrodon True Balance LRGB
Guider: Self Guided
Rotator: Optec Pyxis
Mount: AP900GTO

Aquired with TheSky6 > CCDSoft5 > CCDAutoPilot2
Lum Data: Calibrated, Registered and Combined with CCDStack Beta
RGB Data: Calibrated, Registered and Combined with Mira Pro
Deconvolution: CCDStack Beta
Post Processing: PixInsight and Photoshop CS