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    Default Novice Seeks Advice Astrophotography with Celestron Travel Scope 70mm 21035?



    Hi folks.

    I've just bought my first ever scope. It's a Celestron Travel Scope 70mm (21035). What extras would be best to help boost the images that I'm getting? Do I need a moon filter and what would I need to get so that I might use the scope to take photographs with? Any help would be greatly aprreciated as I know very little and most sites have so much information that it leaves my head spinning.

    Kind regards,

    Mick.
    Last edited by admin; 02-09-2012 at 01:14 AM. Reason: added descriptive title

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    Hi Mick,
    welcome!

    what camera are you using? Are you using the HD video feature on it? Are you stacking the results?

    Do you have any example images? would be a good idea to post them to get feedback how to improve them,

    clear skies
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  3. #3
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    This is a small 70mm rich field refractor at F5 and 400mm -- it is made for wide field viewing of the night Also the focuser is plastic -- so you will not be able to hang any weight off of it. (maybe just a light web cam.

    Try some 10 sec 20 sec and 30 second images --- and see what is the longest you can take before you get star trails. Then take 20 - 30 of them and stack them.

    The only accessories I would recommend are a red light flashlight, a moon filter, and a small star chart like the Sky and Telescope pocket star atlas. I cannot tell what size eyepieces this scope can use-- 1.25 inch?

    Clear skies to you.
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    First thing I will suggest is to get another tripod! I bought that same scope as it was very inexpensive and I figured it would be a good grab-n-go scope which it is, but the supplied tripod is so flimsy that you'll soon get a headache trying to keep it steady when viewing. As for eyepieces it takes the standard 1.25" style, the two supplied EPs are OK but if you can upgrade to one or two better units that will help as well. One nice bit is that it has a t-thread on the end of the focuser drawtube (where the diagonal fits on) so all you will need if you are using a DSLR is an adapter for your particular brand of camera. You can do decent moon photos with the scope, here's one I took thru mine:


    and if you can get it on a tracking mount you can do deep space object imaging although since it is an achromat design you'll get a good bit of false color around bright stars as you can see in this image of M42:


    As far as the moon filter goes, it would be good for visual but for imaging you can just increase the shutter speed as needed. Hope to see some results from yours soon!
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