Jeff Rebarchik – ASTR 2401.  Why M-31?  A Brief History  Facts About the Galaxy  Observation Record  Processing and Images.

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Presentation transcript:

Jeff Rebarchik – ASTR 2401

 Why M-31?  A Brief History  Facts About the Galaxy  Observation Record  Processing and Images

 Personal Observation History  Good Point to Start  General Facts Particular to this Galaxy Make It Interesting

 First viewed in 964  In 1612, first viewed with a telescope by Simon Marius  Designated M-31 in 1764  First Photographed by Issac Roberts in 1887

 Look UP (that way)  R.A. 00H 43M 26S, Dec. 41°20’22”  A whole lotta stars  A Sb what?

 The gravity of the situation  Dual Core Power!!

 Spiral Stuff Solved!  Hubble’s a genius!  That’s no one Galaxy, it’s 15. M-32 M-110

 Cold nights at the TTU Observatory  Nov.15 and Nov. 22, 2011  5” f/5 Refracting Telescope  STL-1001E CCD Camera  1 Minute exposures  Red, Green, Blue filters

 Getting what you want, not what you see…. + =

Color Levels Color Curves Selective Color Hue/Saturation Color Balance

M-32 M-110 Dust Lanes in Spiral Arms Older, Reddish stars in galactic core Ring Structure and Young, Blue Stars in Outlying Arms

   images.html images.html

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