jeff rebarchik astr 2401 n.
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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
M-31 The Andromeda Galaxy
  • Why M-31?
  • A Brief History
  • Facts About the Galaxy
  • Observation Record
  • Processing and Images
why m 31
Why M-31?
  • Personal Observation History
  • Good Point to Start
  • General Facts Particular to this Galaxy Make It Interesting
historical data
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
factual data pretty cool stuff
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?
interesting really cool stuff
Interesting…..(Really Cool Stuff)
  • The gravity of the situation
  • Dual Core Power!!
interesting really cool stuff1
Interesting…..(Really Cool Stuff)
  • Spiral Stuff Solved!
    • Hubble’s a genius!
  • That’s no one Galaxy, it’s 15.

M-32

M-110

observations
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
image processing
Image Processing
  • Getting what you want, not what you see….

+

=

final processing
Final Processing

Color Levels

Color Curves

Selective Color

Hue/Saturation

Color Balance

slide13

Older, Reddish stars in galactic core

M-32

Ring Structure and Young, Blue Stars in Outlying Arms

M-110

Dust Lanes in Spiral Arms

references
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