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Amateur Astronomy Picture of the Day - October 05 2011

Elephant’s Trunk LRGB combination (Ha + RGB)

This is a variatIon of an existing RGB picture, combined with another Ha picture used as luminance.

The Elephant’s Trunk Nebula is a concentratIon of interstellar gas and dust and Ionized gas regIon located in the constellatIon Cepheus about 2,400 light years away from Earth. The piece of the Nebula shown here is the dark, dense globule IC 1396A; it is commonly called the Elephant Trunk Nebula because of its appearance at visible wavelengths, where it is a dark patch with a bright, sinuous rim.

Telescope: GSO Reflector 200mm f/4
Reducer/corrector: Baader MPCC
Filter RGB: IDAS LPS 2”
Filter Ha: Baader Ha 7nm
Mount: Vixen GPD2 Autostar Meade
Camera: Canon 350D no filter
Exposure RGB: 5x600s@800iso
Exposure Ha: 12x300@800iso
Guiding camera: Meade DSI Pro
Guiding software: K3CCDTools

Submitted by: moladso

Location: Soria (Spain)

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