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I See Stars...

Discussion in 'Other Genres' started by MajorMagee, Mar 2, 2011.

  1. MajorMagee

    MajorMagee Mu-43 All-Pro

    Feb 24, 2011
    Dayton, OH
    P3020580smcropped.
    The Nebula In Orion's Sword.

    The stars are streaked from the 6 sec exposure at 500mm (2 x 250mm) without any sky tracking.

    With the naked eye this patch of sky only looks like a line of three dim stars.
     
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  2. jimr.pdx

    jimr.pdx Mu-43 Veteran

    342
    Dec 5, 2010
    near Longview ~1hr from PDX
    Jim R
    Darn good try - thanks for posting!

    For a few bucks, make a barn-door mount (google it) and you'll be set. I took shots up to 2 minutes using one (that was my time limit before before boredom set in :smile:) but got some great comet images that way. Still, 250mm might be challenging even that way!
     
  3. MajorMagee

    MajorMagee Mu-43 All-Pro

    Feb 24, 2011
    Dayton, OH
    I've got a telescope with a tracking mount. I just don't have the adapter to mount the camera to it.

    What I was really trying to test was if the M4/3 sensor could pull up the colors of the Nebula that you can't make out by eye. At ISO 3200 this image started off pretty noisy, but I thought it cleaned up reasonably well.
     
  4. MajorMagee

    MajorMagee Mu-43 All-Pro

    Feb 24, 2011
    Dayton, OH
    Here are a couple of shots at 100mm (2 x 50mm) to give the other shot some context. These were taken earlier in the evening on another night so the sword is more nearly vertical than in the shot above.

    100mmf1-81-4secISO500P2130203sm.
    The lower part of the Orion Constellation with natural levels of brightness about equal to night adapted eyesight.

    100mmf1-830secISO100P2130205sm.
    The same area of the sky with a 30 sec long exposure showing many more stars and their colors.
     
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