Re: (IAAC)Object:- Cat's eye Nebula 20" Dob-Newt
At 11:14 10/09/97 -0400, you wrote:
>Very intriguing post, NJM! I enjoyed the fact that you posted both a finding
>technique for beginners, and some real details for those who might want to
>the Cat's Eye another look. BTW, apropos an earlier thread, how did you find
>the UHC filter changed the appearance of this weird planetary? I'd expect some
>intriguing differences in emission patterns from "normal" planetaries!
>Clear skies all!
Sorry meant to put that in. The UHC showed less than the unfiltered view. I
am afraid that I didn't record any visual differences but will try that on a
future occasion. I will also try my direct vision prism on it which might be
interesting too. I will let you know when I do.
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Bonnyton House, Ayrshire,Scotland, UK. lat 55 24'56" N long 4 26' 00" W
Altitude 150 m.