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Big Double Double
(aka HD 178911 and HD 178849)


From the author of   Sizing Up The Universe

21:45 EDT Aug 16, 2018.
Starlight Express Trius SX-H694 on 10" RCOS at f/9.
R=5x3.0 sec, G=5x3.0 sec, B=5x3.0 sec.

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