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A couple humble attempts
Last post 07-05-2009 10:18 PM by WABarry. 4 replies.
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  • 07-03-2009 07:12 PM

    • ajohnson
    • Joined on 05-14-2008
    • Riverside, CA
    • Posts 112

    A couple humble attempts

    The sky looked reasonably clear last night, at least as well as you can expect for a red zone, so I decided to give the moon & m57 an attempt

    1/400 sec, iso 100, 6.3 focal reducer in.  Resized for posting

    Here's a 1:1 crop of part of it

     I then took the focal reducer out and did another:

    1/100 sec, iso 100

    and a 1:1 crop

     

    I moved on to M57.  I didn't have alot of hope for this.  Prior attempts were totally wiped out by light pollution and/or hazy overcast.  I shot 20 30 sec subs & took 4 dark frames in the middle somewhere.  I'd intended to take quite a few more, but I discovered I really need a dew shield or zapper.  Or something.  My alignment was also not great, so I had some drift.  I ended up dumping 3 of the 20 frames and ran everything through DSS, then tinkered with the levels in photoshop a bit.

    full frame resized here

    and a 1:1 crop for detail

    It's not great, but it came out better than I expected, so I'm happy with it.

    Signature
    Aaron Johnson
    8" Coulter Optical Dob,
    4.5" Orion Starblast on (unfinished) roboscoped clone CG5 mount
    4.5"DS-2114 (on goto DS mount, soon to be looking for a new home),
    C-11A XLT on Atlas EQ-G mount
    Canon EOS 40d


  • 07-04-2009 05:58 AM In reply to

    • SDB777
    • Joined on 06-03-2009
    • Cabot, AR USA
    • Posts 81

    Re: A couple humble attempts

    I really like the shots on the moon without the reducer in place!  Shows very good detail.

    Thanks for sharing your hard work.

     

     

     

    Scott (can't be easy) B

  • 07-04-2009 10:36 AM In reply to

    Re: A couple humble attempts

    There is a thread within this forum area for us to post our humble attempts, however I don't think these images qualify to be included in that thread or the humble attempts category. These are plenty good enough to stand on their own, too good for the Humble attempts thread. FYI, Personally I prefer the normal full frame ring nebula image. Cropping and resizing to enlarge that much looses to much in the way of sharpness and contrast.
    Signature
    Have A Nice ...
    Tim Kerr
    Healthy mind - healthy body - healthy earth.
    Ad astra
    Ad eundum quo nemo ante iit
    Jacksonville, NC.

    Equipment:
    Orion XT10 Classic, Celestron C6 R-GT w/updated CG5 GT mount, C80ED
    Canon EOS 350D, Canon EOS 50D, Meade DSI II Color CCD, Phillips SPC900NC
  • 07-04-2009 05:40 PM In reply to

    • ajohnson
    • Joined on 05-14-2008
    • Riverside, CA
    • Posts 112

    Re: A couple humble attempts

    Thanks for the kind words, both of you.  I'm still surprised m57 came out as well as it did.  I do agree that the full frame version looks better, but I'd say that's because you can't tell how poor the image really is.  The close up 1:1 pixel version tells the truth.  I may try reprocessing the series, however I think what's next on my agenda is getting it hooked up to my laptop for guided, longer exposures.  And a dew shield or zapper :)

    Signature
    Aaron Johnson
    8" Coulter Optical Dob,
    4.5" Orion Starblast on (unfinished) roboscoped clone CG5 mount
    4.5"DS-2114 (on goto DS mount, soon to be looking for a new home),
    C-11A XLT on Atlas EQ-G mount
    Canon EOS 40d


  • 07-05-2009 10:18 PM In reply to

    • WABarry
    • Joined on 02-07-2008
    • Vancouver, WA
    • Posts 505

    Re: A couple humble attempts

    These are not that humble.   Nothing wrong with your moon shots, and the M57 shots are very natural looking.   I wish mine were as good.   Keep up the good work.

    Signature
    12 inch classic Dobsonian
    Orion 130mm ST f/5 reflector
    Celestron NexStar 4" Mak-Cass
    Orion 80mm short tube refractor
    Celestron CG5 GoTo mount
    ToUcam pro II 840k
    Orion Starshoot II color
    Orion 9x63 binoculars
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