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Alnitak and friends


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About this observation
Kevin Gurney
Time of observation
21/12/2016 - 20:11
Horesehead and flame nebulae (and others)
Observing location
William Optics Star 71
Atik 460EX mono
Skywatcher AZ-EQ6-GT
HII, B, G, Baader filters
WO 50mm guidescope - side by side
HII 12x 300s; Blue 12 x 300s; Green 12 x 300s. All bin 1x1 -15C
Like This Image

One of the most photogenic parts of the sky... The very best  pictures of this area show structure in the dark nebulosity below the horsehead... I just have a suggestion of this with a vague mottled effect. However, there is some nice structure in the emission nebula (IC434) that is the backdrop to the horsehead. This emerged after some use of the local histogram tool in Pixinsight... but more detail would require  better data, I think, from a good dark sky (not suburban Sheffield).

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