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Thread: M92

  1. #1
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    Default M92



    I would have used the unexpectedly clear, dark, moonless night for galaxy images, but I have to work today, so I couldn't stay up too late. And the nights are starting later this time of year anyway. So, with a short session, I decided to go for a globular cluster.

    The image actually came out of DSS almost useable as is, which is a first. I just did some minor tweaking on it in Paint.Net.

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    9 frames at 5m0s each, 45m total
    6 darks, no flats
    DSS and Paint.Net
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    DSO AP: Orion 200mm f/4 Newtonian Astrograph; ATIK 383L+; EFW2 filter wheel; Astrodon Ha,LRGB filters; KWIQ/QHY5 guide scope; Planetary AP: Celestron C-11; ZWO ASI120MC; Portable: Celestron C-8 on HEQ5 pro; C-90 on wedge; 20x80 binos; Etc: Canon 350D; Various EPs, etc. Obs: 8' Exploradome; iOptron CEM60 (pier);
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    Nicely done, its always nice when an image needs minimal processing to produce a good shot.

    I'm not sure if its my uncalibrated monitor, but the background looks a touch too dark to me.
    Dave
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    Quote Originally Posted by toolmaker View Post
    I'm not sure if its my uncalibrated monitor, but the background looks a touch too dark to me.
    I was careful not to clip the black with my curves, so I don't think it's that, but I did subtract out the background to darken it up.

    I kind of like the look of a globular cluster on a black background, so there is definitely an esthetic bias creeping in there. Iit is so rare here to get a clear night that is also moonless that blackness is something to celebrate.

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    I totally agree that it is mostly subjective. I think if anything I tend to make overly light backgrounds.

    Having a nice dark background though really makes the object pop.
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    Default

    Quote Originally Posted by toolmaker View Post
    I totally agree that it is mostly subjective. I think if anything I tend to make overly light backgrounds.

    Having a nice dark background though really makes the object pop.
    Hi Keith,

    That's come out well, nice image!

    I totally agree about the dark background, I prefer them. All a matter of personal taste.

    Cheers,

    Justin.

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    Default

    Good shot you can count the stars.. 1.. 2...
    Last night was good.. know what you mean.. was up till 4am and dragging on Saturday can't so that on a work night..
    Ken H. sharing the sky with my 9yr old daughter
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    It looks a little dark to me too, but what do I know I've never seen a black sky before.

    Why don't you leave your setup imaging while you sleep? You'll collect a lot more data that way..
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    Here I was never imagining that the darkness of the sky could be an issue. (I automatically assumed the darker the better). Man you learn a lot of things around here.
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    Very nice image Keith, looks like someone piled a bunch of diamonds in one place... I don't think your background is clipped either, just enough. I prefer a little lighter background personally because I think it adds depth, but everyone has his/her own preferences. Thanks for sharing.

    Best

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    Quote Originally Posted by corpusse View Post
    Why don't you leave your setup imaging while you sleep? You'll collect a lot more data that way..
    You know, that never occurred to me. Good idea. I'll have to give it some thought.

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