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ASTRO: First light for GSO 6" RC (M33)



 
 
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Old September 3rd 09, 06:14 PM posted to alt.binaries.pictures.astro
Rick Johnson[_2_]
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Default ASTRO: First light for GSO 6" RC (M33)

Stefan Lilge wrote:
Recently I couldn't resist to buy a GSO 6" Ritchey Chretien at a special
price.
I have some tilt in the system with stars being progressively off focus on
the right side of the picture, but once I get this sorted out I guess I will
habe a nice little imaging scope. It works amazingly well with the "William
Optics X0.8 flattener II" that I recently got for my Skywatcher ED
refractors, which gives a focal lenth of 1100mm (f/7.2).
The focuser can be adjusted, so I guess I will be able to get rid of the
tilt.
"First light" was M33 as it fits the FOV rather nicely with the QHY8 camera.
This is only a "quick and dirty" processing as work is killing me, no time
for "serious stuff".

Taken from the middle of Berlin with a GSO 6" RC at f/7.2 on a G11 mount,
QHY8 camera, 39x10 minutes.

The picture can also be found at
http://ccd-astronomy.de/temp3/tempM33-39x10cropsm.jpg

Stefan


Great "first light". Hope work lets up for more.

I think GSO makes the Astro Tech scope John recently bought. Seems they
are living up to the hype for them. Thought I saw they came with a
field flattener though a zero power one. I may be confusing it with
another I read about.

I don't see the tilt you mention so it shouldn't be hard to remove.

What is it with getting a new scope? Usually its weather that turns bad
not heavy work load. Anything to keep you away from the new "toy".

Does the back use standard SCT threads so all those add ons would fit it?

Rick
 




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