IC 2118 Witch Head Nebula RASA Ha + OSC (Brandon Tackett)

Celestial hemisphere: Southern · Constellation: Eridanus (Eri) · Contains: IC 2118 · LBN 959 · NGC 1797 · NGC 1799 · NGC 1909 · PK205-26.1 · Witch Head nebula · the Witch Head Nebula

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IC 2118 Witch Head Nebula RASA Ha + OSC

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IC 2118 Witch Head Nebula RASA Ha + OSC

This is a faint reflection nebula thought to be a possible super nova remnant or large gas cloud that is illuminated by the bright star Rigel. Rigel is the right lower foot star in the Orion Constellation. The nebula is located approximately 900 light years away.

After completing my OSC color, I wanted to to try to draw out the faint hydrogen alpha present on the right portion of the image. I used the hydrogen alpha data as a luminance data at 30% and then added in the Ha red using NBRGBcombo in pixinsight. The added data definitely gives the image a lot of more dynamic color.

I am curious if this hydrogen gas cloud is part of the great molecular cloud in Orion or may be part of the larger super nova remenant of Barnard's Loop. I was not able to find the distinction with a quick search.

Celestron RASA
N.I.N.A. Users
Central USA

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Status	Advanced success
Started	...
Astrometry.net job	4311343
PixInsight job	DJU3Z31SZ6V3H8J4Y7XARVEP59HS4GGQ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h05m04s.75
RA (top/left)	05h01m51s.22
RA (top/right)	05h01m27s.21
RA (bottom/right)	05h08m18s.88
RA (bottom/left)	05h08m41s.11

Dec (center)	-07°05′05″.9
Dec (top/left)	-05°55′45″.0
Dec (top/right)	-08°10′08″.4
Dec (bottom/right)	-08°14′12″.2
Dec (bottom/left)	-06°00′00″.9

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IC 2118 Witch Head Nebula RASA Ha + OSC

IC 2118 Witch Head Nebula RASA Ha + OSC

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IC 2118 Witch Head Nebula RASA Ha + OSC

IC 2118 Witch Head Nebula RASA Ha + OSC

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