Sara Wager Astrophotography
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NGC281 - The Pacman nebula

Picture
​Details.
M: Mesu 200
T: TMB 152/1200 
C: QSI690  3nm Chroma narrowband filters

20x1800s in each filter (Ha, OIII and SII)

The total exposure is 30 hours.

NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm. This nebulosity is also associated with open cluster IC 1590, several Bok globules and the multiple star, B 1. A recent distance from radio parallaxes of water masers at 22 GHz made during 2014 is estimated it lies 9200 light years. from the Earth Colloquially, NGC 281 is also known as the Pacman Nebula for its resemblance to the video game character.

E. E. Barnard discovered this nebula in August 1883, who described it as "a large faint nebula, very diffuse." 
© Sara Wager 2020
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  • Recent images
  • Images Gallery
    • Interesting images
  • About me
    • Star People article
  • My Blog
  • Latest Dual rig adventure
  • Astro Pixel Processor tutorials
  • Asteroids and me.....
    • How to find asteroids
    • How to create an asteroid time lapse
  • My observatory
    • The observatory rebuild
    • Equipment
    • Light pollution and astro darkness
  • My guide to image capture
    • Real world comparison - Kodak / Sony chip
    • Dual imaging set up
    • Creating an inset in Photoshop
    • Artistic one channel processing
    • Rubbish in, Rubbish out - you decide
    • Image process tutorials
    • Start / finish - Processing is THE key
    • Building a mosaic >
      • SGPro - Creating a mosaic in software
    • The difference in RGB and Ha light
    • The benefits of extra subs in graphics
    • Narrowband information
    • To bin or not to bin...
  • Equipment reviews
    • PrimaLuceLab Eagle S
    • All things ODK 10
    • PrimaLuceLab PLUS mounting system
    • Avalon linear guide settings
    • Starting out with the Avalon StarGO - Fitting and connecting to a PC
    • Avalon StarGO - Setting a custom park
    • Mallincam All Sky
    • Aviosys IP Power 9258 4 port
    • Avalon M-Tre mount
  • My published images
  • Links
    • Other Astrophotographers
  • Useful books
  • Write in my Guestbook
    • Contact me