Quote:
Originally Posted by RB
Very nicely done Matt.
I'd perhaps lower the black point on the histogram to increase contrast and really make the colours pop.
Focus slighly out but only just.
I suspect the flare is from your longer exposure subs, perhaps you can mask out the flare using the shorter subs.
I'm assuming you were imaging at F10?
Glad you used ISO 400, better result on M42 than using ISO 800 with the same exposures.

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Thanks Andrew.
Having another look at the image the next day definitely shows what you have missed the day before. Focus isn't the best as I have said before. I'm still using the course focuser on the C8 which makes focusing quite difficult sometimes. I agree the background does need to be slightly darker as well.
This was taken at F/6.3.
Apart from that, I think what really helped this image was using ICNR Darks instead of taking seperate darks for each different exposure at the end of the session.
Thanks.