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Thread: What the heck - it's been a while

  1. #1
    pederv's Avatar
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    Default What the heck - it's been a while



    I've had my guiding setup for almost 2 months and I think I've only had it out 4 times including last Thursday night. Thursday night was the first time that I didn't have any tracking errors so I'm feeling pretty confident that I'm starting to get the hang of it. Thanks to the ability to track more accuratly I'm finding that on an average night the LP is limiting my exposures to 2 minutes at ISO800, this is with keeping the histograph just below 0 on the exposure meter. Before using the guiding setup most of my exposures were for 30 seconds at ISO800 but sometimes I would go to 1 minute at ISO800, in either case only about 25% of my shots were usable due to PE.
    Now that almost 100% of my shots are usable I'm starting to take post processing more seriously. I'm finding that uping the value of brightness in the RAW/FITS tab, in DSS, helps with the resulting stacked image - to a point.
    It's been a while since I put up any images so I'll put up what I've been able to tease out of the data that I got last Thursday. I still need to get a coma corrector, it's on my list.

    M31
    45 - lights 2 minutes at ISO800
    12 - darks
    30 - flats
    30 - bias

    M45
    30 - lights 2 minutes at ISO800
    4 - lights 3 minutes at ISO800
    12 - darks
    30 - flats
    30 - bias

    Both with the 5D MkII at prime.
    Attached Images Attached Images
    Name - Verne / Call sign - KF7UHL
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  2. #2
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    Default Re: What the heck - it's been a while

    awesome! what is the light pollution botle level at your imaging site?
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    Default Re: What the heck - it's been a while

    Quote Originally Posted by AstroMatt View Post
    awesome! what is the light pollution botle level at your imaging site?
    I think I'm just inside the red/orange border, so in the 5-6 range.
    Name - Verne / Call sign - KF7UHL
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    Default Re: What the heck - it's been a while

    M45 looks magical.
    Bill

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    Default Re: What the heck - it's been a while

    I can't wait to be at your level!
    Andromeda is simply spectacular, and the Pleiades are dreamy.

    I'm sure you inspire many of us (not just me) to keep plugging at it!

    Thanks!
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    Default Re: What the heck - it's been a while

    Very, very nice! Great images both. I hope my M31 is half as good as yours, sitting outside at the moment with the 80mm set up so I can fit it all in the FOV (no f/r for the 90mm). The conditions here in CT are awesome...best we've had for a while, so I'm hopeful I can capture some images similar to yours, Thanks for posting, well done..,

    Cheers,

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    Default Re: What the heck - it's been a while

    The best of all good luck to you astronewb!
    Hope the pics come out just right.
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    Default Re: What the heck - it's been a while

    Quote Originally Posted by Voyager3 View Post
    The best of all good luck to you astronewb!
    Hope the pics come out just right.
    Hmnn...everything looks perfect, skies, graph..something's got to go wrong....lol. Thanks a bunch V'ger..

    Best,

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    Default Re: What the heck - it's been a while

    Thanks everybody.
    I'm just happy that I'm starting to see more blue stars around the outer dust lanes of M31 and getting more of the nebula in M45. They are big improvements over my first attempts from a year and a half ago (M31 M45) but I've got a ways to go.
    I was afraid my PE was so bad that the guiding system would have difficulty keeping up, it's nice to be limited by the brightness of the sky rather than my mount. I'd like to give a spot about 30 or 40 miles north of me, near Lake Stevens, another visit. I think some of my afocal M31's have more contrast and that's where I shot them from. It's in the middle of an orange zone (5). If I do end up going up Hart's Pass someday, I'd like to make the most out of the time there.
    Name - Verne / Call sign - KF7UHL
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    pederv's Avatar
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    Default Re: What the heck - it's been a while

    Good luck Paul.
    Name - Verne / Call sign - KF7UHL
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