QUESTION HELP needed on a Celestron Cassegrain

What will you lose on the planets with the DOB? The dob, assuming it is decent
optically will be better than the smaller sct. You will have to push though.

Clear Skies
Richard

Gordon Gekko IDCC on the Nasdaq wrote:
If you were particularly interested in planetary observing or deep sky
astrophotography, I'd have recommended the C-8. Visually, it's weak on deep
sky compared to the 10".

Regards,
Etok



Thanks Etok, but will I lose a lot with the planets if i go with the
Dob

Where would you lose them? g

The problem with a Dob is tracking the planets. I have a 10" Dob, and
have no trouble tracking Mars at 200x and higher.

The major discriminator comes when I want to change EPs or add filters:
Mars generally has moved out of the FOV and I have to reacquire it
(really not that bad with a well aligned 9x50 finder).

The other is if you want to do photography. A stable driven mount is
best (though some have gotten shots with a Dob, it is not easy).

Phil

Gordon Gekko IDCC on the Nasdaq wrote:
If you were particularly interested in planetary observing or deep sky
astrophotography, I'd have recommended the C-8. Visually, it's weak on deep
sky compared to the 10".

Regards,
Etok



Thanks Etok, but will I lose a lot with the planets if i go with the
Dob

Where would you lose them? g

The problem with a Dob is tracking the planets. I have a 10" Dob, and
have no trouble tracking Mars at 200x and higher.

The major discriminator comes when I want to change EPs or add filters:
Mars generally has moved out of the FOV and I have to reacquire it
(really not that bad with a well aligned 9x50 finder).

The other is if you want to do photography. A stable driven mount is
best (though some have gotten shots with a Dob, it is not easy).

Phil

If you were particularly interested in planetary observing or deep sky
astrophotography, I'd have recommended the C-8. Visually, it's weak on deep
sky compared to the 10".

Regards,
Etok


Thanks Etok, but will I lose a lot with the planets if i go with the
Dob, because I do want the better deep sky, but i am also into the
planets and don't want to lose too much

Also the Dob is 650 while the other is 1299

"Gordon Gekko IDCC on the Nasdaq" wrote in message
om...
Ok, I am shopping for a new telescope, one possibility is the 10''
Orion dobsonian reflector, my budget is 1,000.

But now I see at astronomics.com a scope normally costing 2400 on sale
for 1200, i would stretch the budget if you guys think this particular
scope is a big improvement on the Orion 10'' dob, i am particulary
interested in deep sky


Celestron - C8S-GT Advanced Series 8" f/10 computerized go-to
Schmidt-Cassegrain

That is the scope, this is the web address


http://www.astronomics.com/main/prod...e%5Fid=1&vid=4

Thanks again for your help

Wonderful deal, but if you are a visual observer (that is, you are not an
astrophotographer) then the best deep sky performance will come from the
larger (and faster) aperture dob. You said you were particularly interested
in deep sky, and that's what I'm recommending.
I own a C-8 and have owned a 10" newt of similar performance to the Orion.
No question, the newt (dob) blows the C-8 out of the parking lot visually.
If you were particularly interested in planetary observing or deep sky
astrophotography, I'd have recommended the C-8. Visually, it's weak on deep
sky compared to the 10".

Regards,
Etok



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On 21 Aug 2003 18:12:27 -0700, (Gordon Gekko IDCC
on the Nasdaq) wrote:

Ok, I am shopping for a new telescope, one possibility is the 10''
Orion dobsonian reflector, my budget is 1,000.

But now I see at astronomics.com a scope normally costing 2400 on sale
for 1200, i would stretch the budget if you guys think this particular
scope is a big improvement on the Orion 10'' dob, i am particulary
interested in deep sky


Celestron - C8S-GT Advanced Series 8" f/10 computerized go-to
Schmidt-Cassegrain

That is the scope, this is the web address

http://www.astronomics.com/main/prod...e%5Fid=1&vid=4

Thanks again for your help

Normally costing!
-Rich

On 21 Aug 2003 18:12:27 -0700, (Gordon Gekko IDCC
on the Nasdaq) wrote:

Ok, I am shopping for a new telescope, one possibility is the 10''
Orion dobsonian reflector, my budget is 1,000.

But now I see at astronomics.com a scope normally costing 2400 on sale
for 1200, i would stretch the budget if you guys think this particular
scope is a big improvement on the Orion 10'' dob, i am particulary
interested in deep sky


Celestron - C8S-GT Advanced Series 8" f/10 computerized go-to
Schmidt-Cassegrain

That is the scope, this is the web address

http://www.astronomics.com/main/prod...e%5Fid=1&vid=4

Thanks again for your help

Normally costing!
-Rich