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FORUMS Photo Sharing & Discussion Astronomy & Celestial 
Thread started 08 Mar 2010 (Monday) 15:25
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Got lots of stuff...frustrated..tips..i​deas?

 
lloydsjourney
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154 posts
Joined Jul 2007
     
Mar 08, 2010 15:25 |  #1

Ok.....I got bit of equipment to use for astrophotography.

I certainly expect a learning curve.

Any help would be appreciated on how to properly use this together to get some good results. I would love to get Orion Nebula with some nice color.

Here you can see some of what I have been able to get thus far.....
http://lloydsjourney.s​mugmug.com/Moon-to-Skies-to-Sunrise-to (external link)

Equipment....

Camera bodies.... Canon 7d and Canon 50D

Also a Celestron Neximage camera

Lenses: "L" Series 100-400mm and "L" Series 24-70mm

Scope: Celestron NexStar 6SE

Filters: Order there $115 filter kit and extra eye pieces. Including 2x barlow.

Celestron Battery to power the scope.

F10 to F6 reducer.

T-Adpater to fit back of scope and to fit the eyepiece of scope.

I am having trouble with the backlash both sideways and up down.

I tried messing with the settings but am not really sure what I did.

I can get two star to align very well.

Iffy on getting it to track. I think the manual for this thing is lacking.

Heck the filter page tells you every filter does something for everything.... but common how about a suggestion or tow...best to use this filter for this or that for this....lol.

I have since read an equatorial mount would have been best. Can you take the 6se and put it on a equatorial mount?

Any help would be greatly appreciated.

Thanks for your time and consideration.




  
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mtbdudex
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Mar 08, 2010 16:49 |  #2

Is there an astronomy club nearby you could discuss these Q's face-face with?

side discussion:
I looked at your website, I like what you did for this moon composite image
(I can't post the actual image here, just a link to your URL )
http://lloydsjourney.s​mugmug.com …TL7K#748491516_​XWgHB-A-LB (external link)

Is there any reason why you did not put Earth at the center and the moon with it's phases (like you have) around it?
Just curious.


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DonR
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Mar 08, 2010 17:41 |  #3

Add a 2X barlow, and with the NexImage you will have a decent planetary imaging setup, and for lunar closeups. The full moon would barely fit in your DSLR's field of view unless you use the focal reducer. For deep space imaging, the bright objects like M42 will be within your grasp with the .6 focal reducer, but you will need to keep the exposures fairly short (~30 seconds) to prevent field rotation from showing up, so you won't get a lot of detail, and won't see the fainter objects at all.

It looks like from photos of that telescope that it has a dovetail bar, to which the Nexstar mount attaches. If you can remove the telescope from the mount, and any attachment hardware protruding from the dovetail bar, you could mount the telescope on an equatorial mount that uses a Vixen-style dovetail saddle. These are the most common saddles for small to medium sized mounts - all the Orion EQ mounts and most of the Celestron EQ mounts use it, as do many others.

The 6SE has a 1.25" focuser, so there will be some vignetting with your DSLR's, especially when you use the focal reducer. But this isn't a show-stopper, you can still get long exposure images, however shooting flats will be mandatory to eliminate the vignetting in the results.

Don




  
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Got lots of stuff...frustrated..tips..i​deas?
FORUMS Photo Sharing & Discussion Astronomy & Celestial 
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