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M33 or NGC 598 - Located in
Triangulum Constellation Face on Spiral GX - Type SA(s) cd II-III - 2.77 LY distant Discovered by Giovanni Batista Hodierna-circa 1654 Rediscovered by Charles Messier-1784 3rd largest GX in Local Group - Visual mag. 6.27 Black hole discovered in 2007 by Chandra: Size 15.7x Sun Total LRGB integration time=360 minutes (24x15min) LRGB each 6X15min, Bin 1X1, full frame Vixen R200SS @ F/4.0 using Vixen field flattener SBIG ST2000XM, CFW8, Bin 1X1 Image scale+1.91 arc sec/pixel, FOV 38.1X50.8 arc min Mount-Mountain Instruments MI-250 Reduced & Calibrated w/CCDStack - PS CS2 processed Flint Hill Observatory - 2/10/09 (My first ever astro image) Larger Version
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Whirlpool Galaxy-M51-NGC 5149 31 million LY distant in constellation Canes Venatici. Discovered 1774 by Charles Messier. Smaller companion galaxy, NGC 5195, discovered 1781 by Pierre Mechain. M51 determined to have spiral structure by Lord Rosse in 1845. Total LRGB&Ha integration time
= 285 minutes: Bin 1X1, Half frame |
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Thor's Helmet - NGC 2359 Planetary Nebula in constellation Canis Major 15,000 Light years distant and 30 Light years across Has a hot blue giant (Wolf Rayet) star near center of bubble Total integration time =
135 minutes: Bin 2X2 Full frame |
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