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M81


astro mick

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M81.

Taken a couple of nights ago.

Scope is an ED80,working at F6.3.

HX916 ccd camera.

L=9X600 secs.

R/G=6X600 secs.

B=9X600 secs.

Darks and Flats applied.

Processed mainly in Photo-Shop.

All images were unbinned.

Thanks for looking.

Mick.

post-4425-0-29828700-1389483092_thumb.jp

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"Not Bad"

I think its great,for me anyway.

Imaging at F7.5 is out of the question,with our skies,too slow.

Thanks for the comment though.

Hi,

That is a very good image considering quality of the  seeing-sky at the moment. You seem to have quite a bit more data there that could be teased out. I agree with you 100%  with regards to our slow sky conditions and I take my hats off to you for managing the LRGB sequence, last night I managed 55 minutes of data from 6 pm till 1.30 am and for the 2nd time in the past few days I had to dump the data due to poor standard. The idea of a super fast astrograph despite their troublesome nature is becoming more and more attractive,  I am imaging at around F5 through APO EDs at the moment.

Regards,

A.G

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