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Contains:  NGC 2403
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NGC 2403 HaLRGB Image, 


            Eric Coles (coles44)
NGC 2403 HaLRGB Image

NGC 2403 HaLRGB Image

Technical card

Resolution: 3759x2516

Dates:Feb. 5, 2016Feb. 6, 2016Feb. 7, 2016Feb. 8, 2016Feb. 9, 2016Feb. 10, 2016Feb. 11, 2016

Astrodon Blue Tru-Balance E-Series Gen 2: 10x1800" bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 10x1800" bin 1x1
Astrodon H-alpha 3 nm: 12x1800" bin 1x1
Astrodon Luminance Tru-Balance E-Series Gen 2: 42x1800" bin 1x1
Astrodon Red Tru-Balance E-Series Gen 2: 15x1800" bin 1x1

Integration: 44.5 hours

Avg. Moon age: 16.78 days

Avg. Moon phase: 5.18% job: 963585

RA center: 114.241 degrees

DEC center: 65.586 degrees

Pixel scale: 0.507 arcsec/pixel

Orientation: -0.089 degrees

Field radius: 0.319 degrees

Locations: Sierra Remote Observatories, Shaver Lake, California, United States


Astronomy Image Of the Day (APOD), February 19, 2016

Magnificent island universe NGC 2403 stands within the boundaries of the long-necked constellation Camelopardalis. Some 10 million light-years distant and about 50,000 light-years across, the spiral galaxy also seems to have more than its fair share of giant star forming HII regions, marked by the telltale reddish glow of atomic hydrogen gas. The giant HII regions are energized by clusters of hot, massive stars that explode as bright supernovae at the end of their short and furious lives. A member of the M81 group of galaxies, NGC 2403 closely resembles another galaxy with an abundance of star forming regions that lies within our own local galaxy group, M33 the Triangulum Galaxy. Spiky in appearance, bright stars in this colorful galaxy portrait of NGC 2403 are in the foreground, within our own Milky Way.



Eric Coles (coles44)
License: Attribution-NonCommercial-NoDerivs Creative Commons


  • NGC 2403 HaLRGB Image, 


            Eric Coles (coles44)
  • Final
    NGC 2403 HaLRGB Image, 


            Eric Coles (coles44)

Sky plot

Sky plot


NGC 2403 HaLRGB Image, 


            Eric Coles (coles44)