NGC 2174 in Hydrogen Alpha

NGC 2174 in Hydrogen Alpha
All Images Copyright Steve Cannistra

Please click here or on image for a higher resolution view.

Magnitude:  ?
Size: FOV of this image is about 1 degree.
Distance: 6,400 light years
RA: 6h 09m 23.6s
Dec: 20 degrees 39' 33"

NGC 2174 is a region of hydrogen alpha emission located in the upper portion of Orion, near the boundary between Orion and Gemini.  It is located near IC433 in this widefield view, and can also be seen in this widefield view of the Orion region, both taken by Peter Erdman.  The darker dust lanes within this nebula, as well as its relatively compact size, give it a superficial resemblance to NGC 281.  Please click here for a great color rendition of this region taken by Brian Lula.

Photographic Details:

Date:  February 19, 2005
Takahashi Sky 90 at f4.5 with field flattener/focal reducer, on the G11 Losmandy Mount.
Autoguider:  SBIG STV with e-finder.
Camera:  SXV-H9
Astronomik Ha filter (13 nm bandpass).
Exposures:  36 x 5' each, binned 1 x 1, 3 hours total.
Conditions:  Temperature 18 degrees F; above average transparency; poor seeing; intermittent mild breeze.
No dark, bias, or flat frames used.  Auto aligned in MaximDL; Sigma combined using RC Sigma Reject plug in, followed by DDP in ImagesPlus (IP).  Subsequent levels and curves adjustments in Photoshop CS (16 bit format).  Final sharpening using a combination of high pass filtering followed by unsharp mask in PS.

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