(IAAC) Obj: NGC 6826 - Inst: 40" f/5 dob


Observation Poster: Mark G.Birkmann <deepsky@usmo.com>

Observer: Mark G.Birkmann
Your skills: Intermediate (some years)
Date/time of observation: 9-13-2001  7:20 UT (2:20 am CDT)
Location of site: New Haven, Missouri (Lat ~38, Elev ~700 feet)
Site classification: Rural
Sky darkness: 4 some high thin clouds <1-10 Scale (10 best)>
Seeing: 4 <1-10 Seeing Scale (10 best)>
Moon presence: Minor - crescent or far from object
Instrument: 40" f/5 dob
Magnification: 165x,  204x, 408x, 746x
Filter(s): Orion Ultrablock
Object(s): NGC 6826
Category: Planetary nebula.
Class: 3a+2
Constellation: Cygnus
Data: mag 9.8p  size central star mag 10.4, size 25"
Position: RA 19h:44m 48.2s  DEC +50:31' 30"
This pn was blue green at all powers.  The best view was at 408x.  At
this power the pn was noted to be slightly elongated with distinct,
sharp edges.  The pn was uniformly illuminated except for two slightly
brighter knots of nebulosity located on roughly the east and west
sides.  The center of the western knot appeared nearly stellar at
times.  The western knot did not appear to be directly in line with
the eastern knot and central star but was located slightly to the
north of this line.  The orion ultrablock appeared to give a hint of a
small outer halo but I couldn't say for sure.  At the time of this
observation NGC 6826 was about 38 degrees above the horizon, the
temp. was 58 degrees F., and the humidity was 88 percent. A drawing
can be seen at http://members.fortunecity.com/faintfuzzy/drawings.htm
Optional related URLs: http://www.fortunecity.com/greenfield/twyford/637/drawings.htm
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