s.kranz1@comcast.net Sep 13, 2005
--- In guide-user@yahoogroups.com, Bill J Gray <pluto@p...> wrote:
> Hi Patrick,
>
> Errrmm... didn't see any planetary nebula image; can you elaborate?
>
> Are you sure there's a planetary there, rather than an image flaw?
> Its absence in any database is somewhat suspicious. (New planetaries
> _are_ getting discovered, but I think we're at the point where they
> look essentially stellar; spectroscopy is required to ID them as actual
> planetary nebulae.)
>
> -- Bill
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