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ngc 6445
I looked at 22 planetary nebulae last night with a 16" scope at 200 times.
The GC NGC 6440 and the PN NGC 6445 make a nice pair.
They are mags 9.3 and 11.2 respectively and only 22' apart.
The PN is 2.1 deg from the OC M23 in pa 241.
The wikisky.org image below shows the PN top and GC.
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