Celestial hemisphere:  Southern  ·  Constellation: Ophiuchus (Oph)  ·  Contains:  HD151392  ·  M 12  ·  NGC 6218
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M12, Simon
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M12

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M12, Simon
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M12

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Description

I decided to have a go at processing the other one of the two globulars based on my personal widefield image from the other night, using Jim Misti's data once more. In procesing this I stumbled across a variation on my method I had not particularly used before.

I have often tried to bring out everything that is within the luminance image in order that the details in the overall image can emerge most fully. However, in so doing I have always found when combining it with the RGB, I often lose some of the star colour. Maybe this is just so with this particular image, but I suspect not. So I tamed back the luminance, and behold much of the star colour was retained from the RGB. I then tweaked it a little afterwards. I think this is an improvement anyway... It was 16 x 1 minutes in luminance and 6 x 1 minutes each in R, G and B. Image acquisition Jim Misti. Thanks everyone.

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M12, Simon