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M-31 The Andromeda Galaxy

Jeff Rebarchik – ASTR 2401. M-31 The Andromeda Galaxy. M-31 The Andromeda Galaxy. Why M-31? A Brief History Facts About the Galaxy Observation Record Processing and Images. Why M-31?. Personal Observation History Good Point to Start

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M-31 The Andromeda Galaxy

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  1. Jeff Rebarchik – ASTR 2401 M-31 The Andromeda Galaxy

  2. M-31 The Andromeda Galaxy • Why M-31? • A Brief History • Facts About the Galaxy • Observation Record • Processing and Images

  3. Why M-31? • Personal Observation History • Good Point to Start • General Facts Particular to this Galaxy Make It Interesting

  4. Historical Data • 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

  5. Factual Data (Pretty Cool Stuff) • Look UP (that way) • R.A. 00H 43M 26S, Dec. 41°20’22” • A whole lotta stars • A Sb what?

  6. Interesting…..(Really Cool Stuff) • The gravity of the situation • Dual Core Power!!

  7. Interesting…..(Really Cool Stuff) • Spiral Stuff Solved! • Hubble’s a genius! • That’s no one Galaxy, it’s 15. M-32 M-110

  8. Observations • 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

  9. Image Processing • Getting what you want, not what you see…. + =

  10. Making Color

  11. Final Processing Color Levels Color Curves Selective Color Hue/Saturation Color Balance

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

  13. Inevitable Fate

  14. References • http://en.wikipedia.org/wiki/Andromeda_Galaxy • http://apod.nasa.gov/apod/ap100109.html • http://hea-www.harvard.edu/~fine/Tech/desktop-images.html

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