M42 Arm Coloration

Emission Nebula in Orion

Uploaded 2/20/02

Few deepsky objects are as intensely colored as the Great Orion Nebula. This is one of the "arms" of the nebula, showing a wide range of subtle colorations. The intent of this image was to record the well documented Lavender color of the eastern arm, and its structural details. This color is produced by the ratio of Halpha, OIII and Hbeta lines in its spectrum.

Instrument:  12.5" f/5 Home made Newtonian
Platform:  Astrophysics 1200 QMD
CCD Camera:  SBIG ST7E w/Enhanced Cooling
Exposure:  RGB = 20:20:36 
Filters:  RGB Tricolor
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing FMHW = 2.5 arcsec, Transparency 8/10
Outside Temperature:  0 C
CCD Temperature:  -35 C
Processing:  Maxim DL, Photoshop, AIP4WIN, PW Pro.




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