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Thread: Celestron Edge 8.0 vs Edge 9.25

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    Question Celestron Edge 8.0 vs Edge 9.25



    It looks like some of my old gear might be sold freeing up some cash for getting a new SCT. I've been thinking about getting the 9.25 Edge, but wonder if the 8.0 Edge would work just as well. Mostly want it for photographing DSO's (assuming I get my guiding skills perfected enough to work at F10.). I already have a refractor for wide angle shots, so the Hyperstar or focal reducers aren't really that much of a concern here, because if I want wide angle, my Explore Scientific 102 apo is the scope of choice.

    I recently changed from the CG-5 to the Atlas EQ G and it is on a pier, so I think it's pretty stable. I'd really love to get an 11 inch EDGE, since I see a couple good deals on them, but I don't think I can handle a 28 lb scope and that might be a bit much for my mount.

    I'm just not sure whether the extra $1000 is worth it for the 9.25 Edge.

    Any advice would be appreciated. It looks like clear skies starting tomorrow for the next week or so, so I don't think I'll order anything too soon.

    Thanks.
    Karen

    Explore Scientific 102mm APO, Hotech Field Flattener, AT .8 Reducer, Celestron Edge 9.25, Atlas EQ-G mount, Canon 60Da, Sky Shed Pod, Permanant Pier. -- Software: Astrotortilla, BYEOS, PixInsight, DSS, Photoshop CS4, Lightroom 3, Registax, Stellarium/Scope


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    Default Re: Celestron Edge 8.0 vs Edge 9.25

    Quote Originally Posted by kszakonyi View Post
    It looks like some of my old gear might be sold freeing up some cash for getting a new SCT. I've been thinking about getting the 9.25 Edge, but wonder if the 8.0 Edge would work just as well. Mostly want it for photographing DSO's (assuming I get my guiding skills perfected enough to work at F10.). I already have a refractor for wide angle shots, so the Hyperstar or focal reducers aren't really that much of a concern here, because if I want wide angle, my Explore Scientific 102 apo is the scope of choice.

    I recently changed from the CG-5 to the Atlas EQ G and it is on a pier, so I think it's pretty stable. I'd really love to get an 11 inch EDGE, since I see a couple good deals on them, but I don't think I can handle a 28 lb scope and that might be a bit much for my mount.

    I'm just not sure whether the extra $1000 is worth it for the 9.25 Edge.

    Any advice would be appreciated. It looks like clear skies starting tomorrow for the next week or so, so I don't think I'll order anything too soon.

    Thanks.
    I went through this choice the end of December, 2012... I looked long and hard at the different EdgeHD models, I wanted a scope with as much reach/focal length as I could afford to replace an older Celestron pre-EdgeHD SCT, I have a Losmandy G11/Gemini-2 mount I spent the past year upgrading with new drive motors and gearboxes, and converting to the Gemini-2 controller to get the TCPIP/Ethernet interface.

    I ended up choosing the EdgeHD 11" after debating for a months studying the specifications of the 8", the 9.25", and the 11"...

    I knew from the outset the EdgeHD 14" was out due to its size and what I could afford to spend.

    I quickly eliminated the EdgeHD 8" as I have a good friend with an EdgeHD 8" and he advised me that while it is a great scope and works well for him, the 8" is not as friendly to astro imaging due to differences in camera adapter hardware and size of inner tube and accessories, and in his own words, if he were to make the choice again, he would go for the EdgeHD 9.25" or 11" And as I have a ES127 ED/APO, I wanted the most focal length I felt I could manage.

    By the middle of January, 2013, I was convinced the 9.25" was what I was going to purchase but was hesitating as the lure of the EdgeHD 11" with its 2800mm fl was hard to pass up for what I wanted it for and I read on the forums of satisfied 11" owners and saw many great images produced with the HD 11" but as a small man (5'9") in his 70's. I was apprehensive of the size and weight of the EdgeHD 11"...

    And then someone sent me this link:
    c14 is a small scope (Part II - Smart Easy Way for Girly Men) - YouTube

    That was the answer to my concerns and I purchased the EdgeHD 11" and now with it in hand, I am pleased with my decision...

    My recommendation to you would be either the EdgeHD 9.25" or the EdgeHD 11" however the final decision is one only you can make based on your intended use and needs...
    Schodack Astro likes this.
    Thanks, Mitch - K1FH
    And sidekick Shadow, the precocious one
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    kszakonyi (06-08-2013)

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    Default

    Thanks Mitch. That video was great. Very clever. From what I've read the Atlas EQ GSA weak point is the tripod, so maybe that 11 inch edge isn't such a far fetched idea. At the very least it sounds like the 8 inch edge might be out of the running.

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    Default Re: Celestron Edge 8.0 vs Edge 9.25

    Quote Originally Posted by kszakonyi View Post
    Thanks Mitch. That video was great. Very clever. From what I've read the Atlas EQ GSA weak point is the tripod, so maybe that 11 inch edge isn't such a far fetched idea. At the very least it sounds like the 8 inch edge might be out of the running.
    Karen,
    Something I forgot to include in my previous post that should give you a laugh...

    I have an RV trailer that uses a pair of 30lb. propane tanks mounted on the tongue and I keep a spare set of tanks to exchange when one set is empty. It so happens an empty 30 lb. propane tank is 12" dia., 26" high, and weights 26lbs-27lbs...

    Part of my decision making process was to take an empty 30 lb. propane tank and see how much trouble I'd have lifting it to the height if the clamp on the mount... It was doable without much too trouble...

    However the final deciding factor was seeing the YouTube video, that was the convincing push that I needed...
    Thanks, Mitch - K1FH
    And sidekick Shadow, the precocious one
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