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(IAAC) Obj: NGC 6309 - Inst: 120mm f/8.3 refractor
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: NGC 6309 - Inst: 120mm f/8.3 refractor
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From: anonymous@sedna.atmob.org
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Date: 19 Jul 2005 15:39:57 -0000
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Observation Poster: Diego González <digonzalz@gmail.com>
Observer: Diego González
Your skills: Intermediate (some years)
Date/time of observation: 10-Jul-2005 23:36 UT
Location of site: Asturias, Spain (Lat 43ºN, Elev 300m)
Site classification: Exurban
Sky darkness: 5.3 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 120mm f/8.3 refractor
Magnification: 31x, 50x, 80x, 100x, 167x
Filter(s): Astronomik UHC
Object(s): NGC 6309
Category: Planetary nebula.
Class:
Constellation: Oph
Data: mag 11.5 size 16"
Position: RA 17:14 DEC -12:55
Description:
This planetary nebula can be found to he north of Eta Oph. Very dim but visible as
a star at 50x. The UHC filter makes it brighter and easier to see. With 167x I can
see an elongated disk with a confusing appearance due to a faint star next to the
edge of the nebula. I can't see details or color.
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