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Piggyback DSLR to an Orion 12" DOB?

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#1 smiller

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Posted 09 August 2020 - 07:12 PM

Hi Guys,

 

I use my Orion 12" GOTO Dob for viewing and it tracks pretty well so I ut was figuring it may make a basic tracker for my DSLR for some basic Milky Way shots (i.e. one notch better than no tracking).   I know people piggyback cameras to SCTs and other scopes.  Is there a kit to piggyback it to my DOB?

 

Regards,

 

Steven



#2 Bean614

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Posted 09 August 2020 - 08:28 PM

I did that a few times with my Orion 12 inch GoTo,  and it wasn't too bad!  Don't expect long exposures though, 15-30 seconds max. Less, of course, required on brighter objects like M42, Planets, etc.



#3 17.5Dob

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Posted 09 August 2020 - 09:10 PM

It's an alt/az mount, so you will always be limited by field rotation, vs an EQ mount, but like you said..."It's better than nothing !"



#4 smiller

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Posted 09 August 2020 - 09:11 PM

I did that a few times with my Orion 12 inch GoTo,  and it wasn't too bad!  Don't expect long exposures though, 15-30 seconds max. Less, of course, required on brighter objects like M42, Planets, etc.

Was that piggybacked or actually mounted through the objective?  I've got the ability to shoot through the objective but was wondering about using the regular DSLR lens piggybacked.



#5 Bean614

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Posted 09 August 2020 - 09:55 PM

I used a T3i with a 75-300mm Zoom, piggybacked.  I also used the same camera through the focuser.



#6 spereira

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Posted 10 August 2020 - 06:57 AM

Moving to DSLR ...

 

smp



#7 smiller

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Posted 10 August 2020 - 01:34 PM

I used a T3i with a 75-300mm Zoom, piggybacked.  I also used the same camera through the focuser.

Excellent, would you mind showing the details of your method of attachment.  I fear doing something that is either not solid or risks harm to the DOB.

 

- Steven



#8 Bean614

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Posted 10 August 2020 - 02:59 PM

I no longer have the 12 Dob, but I used a simple Tube Ring, (inside diameter  of approximately 14 inches) which had a fairly common 1/4-20 camera attachment bolt coming out of one side.  Many rings sold today have this feature.




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