(IAAC) Obj: NGC 6871, M 28 - Inst: Brennweite 12.5 inch F/1 homemade Dobsonian

**anonymous@sedna.atmob.org**

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Observation Poster: Steven H. Yaskell <steven.yaskell@wtnord.net>

Observer: Steven H. Yaskell
Your skills: Advanced (many years)
Date/time of observation: Sep. 15, 2006 2050 UT
Location of site: Stockholm, Sweden (Lat 59:33, Elev 61m/200ft)
Site classification: Suburban
Sky darkness: 3-4? <Bortle Scale (9 worst)>
Seeing: 8 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: Brennweite 12.5 inch F/1 homemade Dobsonian
Magnification: X25
Filter(s): Deep Sky
Object(s): NGC 6871, M 28
Category: Open cluster.
Class: 
Constellation: Cygnus
Data: mag   size 
Position: RA 20.05:9  DEC +35:46.xx
Description:
Straight up at the top of the sky at my location, Gamma Cygni getting ready 
to hide over my balcony awning. 

Alight on the "whipping starfish" asterism between M 28 and NGC 6871. 
Tipping SE on a rectilinear path a few degrees I spot NGC 6891 at X25.
The Deep Sky filter shows a lot of background glow in the "leaping 
fish" asterism 6871 creates, about half a degree long in a Celestron
40mm Kellner lens. The fish' "head" aims south, the tail, north. 20 min 
rectilinear on the arc tipping NW, dipping down, you see M 28.
Beautiful on this night.
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