(IAAC) Obj: NGC 6891 - Inst: 30" f/4, dob

Observer: Mark Birkmann
Your skills: Intermediate (some years)
Date/time of observation: 7/9/99, 6:50 UT
Location of site: New Haven, Missouri (Lat N 38, Elev ~700')
Site classification: Rural
Sky darkness: 5 <1-10 Scale (10 best)>
Seeing: 5 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 30" f/4, dob
Magnification: 150x-540x
Object(s): NGC 6891
Category: Planetary nebula.
Class: 2a+2b
Constellation: delphinus
Data: mag 11.7p  size 15"
Position: RA 20h:15m 8.9s  DEC +12:42' 15"
This small pn was green/gray at low power, gray at high power, the mag 12.4
central star was suspected, the outer halo was about twice the diameter of the
slightly brighter central area.
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