Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  NGC 5477  ·  Pinwheel galaxy
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M101 The Pinwheel Galaxy HaLRGB, Derek Mellor
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M101 The Pinwheel Galaxy HaLRGB

Getting plate-solving status, please wait...
M101 The Pinwheel Galaxy HaLRGB, Derek Mellor
Powered byPixInsight

M101 The Pinwheel Galaxy HaLRGB

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Description

Another image from last year. I never processed this to my satisfaction so I never posted the result. Recently I have been trying a combination of Pixinsight and StarTools to process my galaxy images. I like the nice controlled star profiles and colors from StarTools and I like the masked galaxy stretching I can easily achieve in Pixinsight. In addition I created a synthetic L from Ha,L,R,G and B using Pixinsight and combined the synthetic L, Ha,R,G and B masters in StarTools prior to any stretching.

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M101 The Pinwheel Galaxy HaLRGB, Derek Mellor