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Re: (IAAC) Obj: NGC 6826 - Blinking Planetary - Inst: 10" Starsplitter Newtonian
I guess like any other faint extended object, Patrick, different aspects of the
Blinking will be more or less apparent under different circumstances. In this
case, it actually sounds like your previous logs with the 4.5" were showing you
the elongated INNER region of the planetary, whereas in your most recent log
with the 10", you started to see the OUTER halo - several minutes wide - which
ever-so-faintly surrounds the commonly seen inner part of the nebula?
In both cases though, Patrick, these were pretty astute observations! And of
course, I'm going to guess that observing at 8400' would allow you to exercise
that visual acuity to its utmost, too! :)
Clear skies, and PLEASE keep 'em coming!
Lew
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