Starry Vistas by Don J. McCrady
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NGC 2174 - The Monkey Head Nebula

NGC 2174 (also known as the Monkey Head Nebula) is a bright nebula near the border of Orion and Gemini, and is colocated with open cluster NGC 2175.


Narrowband

This is a false colour image with red mapped to Sulfur-II, green mapped to Hydrogen-Alpha, and blue mapped to Oxygen-III.

Takahashi Sky 90 at f/4.5
SBIG STL-4020M (remote guide head)
Takahashi EM-200
H-Alpha: 9x20 minutes
Sulfur-II: 9x20 minutes
Oxygen-III: 9x20 minutes
Processed with Maxim/DL, CCDStack, and Photoshop CS4
Noel Carboni's Astronomy Tools


H-Alpha

Click forfull resolution

Takahashi Sky 90 at f/4.5
SBIG STL-4020M (self-guided)
Takahashi EM-200
Hutech LPS filter
H-Alpha: 3 hours (20 minute subexposures)
Processed with Maxim/DL and Photoshop CS3
Noel Carboni's Astronomy Tools