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Would you rcommend this for Astroshots?

  • Keith g
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19 years 3 weeks ago #18985 by Keith g
One question to you deep sky cadets :D

Is this an achromat?? I think it is. I'd love an apo, but it all down to the bucks!

www.dhinds.co.uk/pages/fullProd.php?id=47

Thanks, Keith.

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  • DaveGrennan
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19 years 3 weeks ago #18989 by DaveGrennan
Replied by DaveGrennan on topic Re: Would you rcommend this for Astroshots?
Keith,

This is an achromat, no doubt. If your looking for something a bit better without remortgaging your house then why not consider the 80ED refractor. This is one of those new breed of "semi-apos" which have become so popular of late. Alternatively William Optics have a lovely 80 mm semi apo too.

Links to both;

C80ED
www.dhinds.co.uk/pages/fullProd.php?id=398

WO 80mm semi apo
www.iankingimaging.com/show_products.php...ory=64&offset=10

see the zenithstar 80mm semi apo for £299

Regards and Clear Skies,

Dave.
J41 - Raheny Observatory.
www.webtreatz.com
Equipment List here

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19 years 3 weeks ago #18991 by michaeloconnell
Replied by michaeloconnell on topic Re: Would you rcommend this for Astroshots?
Or perhaps the Megrez 80 Fluorite Triplet...looks the biz...

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19 years 3 weeks ago #18993 by michaeloconnell
Replied by michaeloconnell on topic Re: Would you rcommend this for Astroshots?
BTW, thanks Dave for that link...he's got a great selection of WO gear...just bought a WO 2 speed SCT microfocuser!

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19 years 3 weeks ago #18994 by dave_lillis
Replied by dave_lillis on topic Re: Would you rcommend this for Astroshots?
I'd imagine its an acromat, it certainly could not be a full apo at that price.
IS it good for imaging ??? a good question, what class of object would you have in mind.

I have a 4" F5 refractor and it is fine for imaging deep sky (massive wide field) piggy backed on my LX, but it is out of the question for planets. Now this scope is a 6" F8, I'd imaging you'll need to use a barlow for the planets using a webcam and you will probabily get chromatic abberation to some degree which will give you a colour halo around the planets, meaning more work in photoshop to remove.

As for deep sky, slap on the 300D or DSI and I'd imagine you'll get decent images through it, optically speaking. From the AD I dont see any PEC programmability in the mount, so you will need to get an OAG or piggyback scope or guide through its autoguider port.
With abit of work, Id imagine you could get some good DSOs with it, but I'd bet it wont be straight forward.

To sum up,
For planets, the optics will be the problem, "chromatic abberation"
For deepsky, the mount will be the problem, " tracking ability"

I hope this helps.

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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19 years 3 weeks ago #18995 by dave_lillis
Replied by dave_lillis on topic Re: Would you rcommend this for Astroshots?

BTW, thanks Dave for that link...he's got a great selection of WO gear...just bought a WO 2 speed SCT microfocuser!


Dont you already have a microfocuser ?

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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