Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)
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Sh2-224 HOO with Sii in Red, Randall Schleier
Sh2-224 HOO with Sii in Red
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Sh2-224 HOO with Sii in Red

Getting plate-solving status, please wait...
Sh2-224 HOO with Sii in Red, Randall Schleier
Sh2-224 HOO with Sii in Red
Powered byPixInsight

Sh2-224 HOO with Sii in Red

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Description

Two nights narrowband on SH2-224. The first night I captured only Ha and Oiii. The second night I added Sii to the mix to see if it would bring out more detail. The emissions were in the same areas as the Ha so I don't think it added much.

I combined the Ha and Sii for the red channel using APP. The color mix is essentially APP HOO 1. The signals are faint in this dense star field. I used GHS to stretch the starless nebula and then did a very light stretch on the stars using HistogramTransformation before combining them.

Randall

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Sh2-224 HOO with Sii in Red, Randall Schleier