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Re: ATM Refractor

On Thu, 24 Oct 96 08:26:57 EST, you wrote:

>
>Klaus-Peter wrote :
>
>> a fine 10" f/6 newtonian ...
>> and sometimes I had the impression to glimpse 
>> the cassini division already
>
I cannot say that I saw cassini, but on a night with exceptionally
seeing two days ago, I clearly saw the shadow of the ring and the
planet respectively and Thetys and Dione at x300 with my 6" F7.1. I
could also clearly make out  cloud belts in the atmosphere. All this
with the truly disastrous coating I have on my mirror.

Even with the little experience I aquired over the last 6 month
observing with my scope, it seems to me that the air around us limits
observations far more than a somewhat smaller aperture.

Berthold

                        -------------------
Mag. Art. Berthold Hamburger - Cellist
InterNet: behambu@ibm.net - IPhone: ESPHAMBU
Homepage: http://www.geocities.com/Athens/4430