Two old favourites - M82 and M97

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smerral
Posts: 46
Joined: Thu Nov 07, 2013 6:23 pm

Two old favourites - M82 and M97

Post by smerral » Tue Dec 10, 2013 8:51 pm

Last night I had first light DSO imaging with the ZWO ASI120MM. I had the C8 at f 2.5 (using the 0.5 reducer at the end of a barlow tube). Naturally I wanted a fairly bright object to begin with. M51 was at a low elevation so I tried M82. This is 60x10 sec subs. Gain was set at 51, gamma 50. I also took 20 darks but I found that I got a better result using the darks to create a bad pixel map in Nebulosity which I could then use to calibrate. I have added the colour data from a previous shot using the Atik Titan (I haven't got around to using filters yet).

Image

Next I tried M97. Again 60x10secs. Colour from the Atik.

Image

Knobby
Posts: 89
Joined: Tue Nov 12, 2013 7:52 pm

Re: Two old favourites - M82 and M97

Post by Knobby » Tue Dec 10, 2013 10:43 pm

Nice

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Sam
Posts: 2799
Joined: Thu Feb 21, 2013 2:51 am

Re: Two old favourites - M82 and M97

Post by Sam » Sun Dec 15, 2013 1:54 pm

Really nice images!
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SuZhou China

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