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  1. #1
    DakotaWoll's Avatar
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    Default Good Equatorial Telescope (and Mount)?



    I'm looking to get into astrophotography, and an Altitude-Azimuth mount just won't cut it (and I don't feel like putting one on a wedge for a reason to be discussed). Because I am completely new to equatorial telescopes and their mounts, my question to you is what telescope (and mount) is both a great visual telescope (10-11" of aperture, the reason I don't want to put one on a wedge) but also a good mount for astrophotography? I really like the pricing on the Celestron Advanced Series C11-SGT, although I would absolutely kill for a Celestron 11" Edge HD (they just cost so much!). Thanks for the advice.

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  2. #2
    MadCrawdad's Avatar
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    Default

    Where's the anti-wedge discussion that was promised?

    They do make wedges for larger scopes. http://www.milburnwedge.com/dlx-milburn-wedge.php
    Mike

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  3. #3
    DakotaWoll's Avatar
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    Default

    Oh! I got side-tracked! Well, I don't really like the idea of mounting a 10-11" aperture telescope (such as my 10" LX200 GPS) on a wedge. Not only would I worry about the stability like I have been advised about over and over, but it would be very difficult for me to put the LX200 on a wedge all by myself in the first place, which would sort of destroy the purpose of me switching from the Orion XT12G to the Meade 10" LX200 GPS in the first place
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  4. #4
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    Default

    I'll admit that I've not yet gotten a wedge for my LX200, but I really don't think it would be much harder to put it onto a wedge than it is to put it on the tripod as I already do.

    But then, I really do think I'd rather have a nice big OTA on a regular GEM for AP purposes anyway. I just think I'd like the polar alignment issues a bit more with that configuration than with the forked equatorial mount - may be more of a preference issue than a very real one..

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    Default

    First I would recommend that you start with visual observing for about 1 year and INVESTIGATE everything that is required to do astro-photography.

    Second, you do NOT need a large aperture scope to do great astrophotography. In fact my recommendation would be an 80mm - 100mm APO refractor on an Atlas EQ-G mount (or similar Skywatcher EQ6 mount).

    You will need a DSLR digital camera preferably Canon or Nikon, and or a regular CCD camera preferably one with internal cooling. Add to this either a camera with TWO CCD chips (one is used to guide) or a second telescope and a second camera to use for guiding.

    Clear skies to you.
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  6. #6
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    Default

    I've done visual for a little over a year, and I have certainly done my research as to what equipment and programs (and how much cash) is needed to do astrophotography. As for aperture, the only reason I want to go large is because whatever telescope I use for astrophotography will also double as my visual observing telescope, so the larger aperture is sort of needed, as I love DSOs! As for the cameras, my dad has some of the best DSLRs on the market as he is a photography nut! And said he might help me buy a Mallincam because he loves the video aspect and all the live color, and the Mallincam might take some decent pictures if I don't feel like using super long exposures with a DSLR and such.

    As of right now, I'm considering buying a CGEM mount and an OTA seperately. It seems like it makes sense economically speaking.
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    Default

    Are you aware that Meade makes the field derotator for the LX200? It's not cheap, but as you're against using a wedge, it's a probably a cheaper intro into astrophotography than buying a whole new rig.

    [ame=http://www.amazon.com/Meade-Field-Rotator-LX200-models/dp/B0001DZB96]Amazon.com: Meade #1220 Field De-Rotator for LX200 and LX400/MAX models: Camera & Photo[/ame]
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  8. #8
    OleCuss's Avatar
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    Default

    I think that DakotaWoll might also be envying the fact that if she gets something like the EdgeHD in the proper configuration that she can hyper the thing. She can end up with 11 inches working at f/2 into something like a Mallincam!

    Very little time to take a really nice photo - and alignment is not as critical as it might be with a slower and smaller system. And being really fast means that she can get in more photos and visual in one night.

    But I'd contend that much the same could be done with the LX200. I'll eventually get a 0.3 focal reducer for mine and will be able to operate at f/3.3 for 10 inches of fast photography if I should so choose.

    If I should ever do AP I'll probably get a rig similar to what DakotaWoll is thinking of.

    Flip side of that is that a really good Apochromat with patience and skill would probably give a better photo. But I don't do AP so I could easily be wrong about that.
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  9. #9
    DakotaWoll's Avatar
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    I keep hearing weird things about field de-rotators, and it sort of worries me.

    By the way, I am a guy
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  10. #10
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    Default

    Kind of hard to help you if you nix all the suggestions. You may be over complicating the problem, so you can't see the answer.
    Lee

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