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(IAAC) Obj: NGC 6764 - Inst: 10" f/4.7 Dobsonian
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: NGC 6764 - Inst: 10" f/4.7 Dobsonian
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From: anonymous@sedna.atmob.org
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Date: 14 Sep 2004 11:12:40 -0000
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Delivered-To: 9-netastrocatalog-obs@visualdeepsky.org
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Observation Poster: Brent Reary <gmbreary@rollanet.org>
Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 09/13/04 02:45 UT
Location of site: Rolla, MO USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 6.0 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 10" f/4.7 Dobsonian
Magnification: 80x, 133x, 267x
Filter(s): None
Object(s): NGC 6764
Category: External galaxy.
Class:
Constellation: Cyg
Data: mag 11.9 size 2.3' X 1.4'
Position: RA 19:08 DEC +50:56
Description:
A faint, uniform, elongated halo, aligned NE-SW. It brightens to a bright,
during moments of steady seeing, nearly stellar core. Located 2' W of a
~10th magnitude field star. This star is the third from the N end of a
line of 11 ~10-11 magnitude stars aligned N-S, covering a span of ~20' and
shaped like an inverted question mark. The galaxy was visible with averted
vision at 80x and it bore magnification well without showing any additional
detail. Best seen at 133x-267x.
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