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NGC 3718

Amy Meadows. NGC 3718. History. Discovered by William Herschel in April 1789 Located in the Big Dipper . “ What a strange galaxy. There is not much information about this galaxy in the astronomical literature . ” - http://www.noao.edu/outreach/aop/observers/n3718.html. NGC 3718 Facts.

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NGC 3718

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  1. Amy Meadows NGC 3718

  2. History • Discovered by William Herschel in April 1789 • Located in the Big Dipper “What a strange galaxy. There is not much information about this galaxy in the astronomical literature.” -http://www.noao.edu/outreach/aop/observers/n3718.html

  3. NGC 3718 Facts • Magnitude: 11.5 • RA: 11h 32m 35.57s • Dec: +53˚ 03’ 59” • Barrel Spiral Galaxy (S-shaped) • Known as “peculiar” or “warped” • 52,000,000 light-years away from Earth • It is believed the galaxy interacting gravitationally with it is NGC 3729 • ~150,000 light-years apart

  4. Hickson Group 56 • 400 million light-years away from us • Group of 5 galaxies • 4 of them interacting

  5. Reason for Choosing • Originally wanted to do ESO 510-13 http://lempel.pagesperso-orange.fr/bizarre_une_galaxie_gauche_uk.htm

  6. Telescope • 20” Cassegrain • STL SBIG Large Format Camera • 5- 3 min darks • 10- 3 min red, green, blue filter • 15- 3 min unfiltered

  7. CCD Soft • Reduce • Align • Combine

  8. + RED GREEN BLUE + + = UNFILTERED

  9. Photoshop GradiantXTerminator Levels Curves Color balance Hue/Saturation

  10. Bibliography • http://www.stargazer-observatory.com/ngc3718.html • http://lempel.pagesperso-orange.fr/bizarre_une_galaxie_gauche_uk.htm • http://www.kopernik.org/images/archive/n3718.htm • http://www.astronomersdoitinthedark.com/index.php?c=123&p=373

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