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RE: (IAAC) Obj: NGC 2244 - Inst: 200mm Newtonian F5
Kim,
The Rosette Nebula itself is actually several NGC numbers (including NGC 2237,
2238, 2239 and 2246), and is a large EMISSION nebula located 3000-5000
light-years away. The stellar winds from the open cluster of stars known as NGC
2244 has cleared a hole in the nebula's center.
see http://www.seds.org/messier/xtra/ngc/n2244.html and
http://antwrp.gsfc.nasa.gov/apod/ap000111.html and
http://antwrp.gsfc.nasa.gov/apod/ap020317.html for more info.
\Paul
-----Original Message-----
From: apache@atmob.org [mailto:apache@atmob.org]
Sent: Tuesday, April 09, 2002 7:21 AM
To: Internet Amateur Astronomers Catalog
Subject: (IAAC) Obj: NGC 2244 - Inst: 200mm Newtonian F5
----
Observation Poster: Kim Gowney <kapeji@sniffout.com>
Observer: Kim Gowney
Your skills: Intermediate (some years)
Date/time of observation: 7 April 2002
Location of site: Sutton, West Wales (Lat 51 48 N, Elev 05 03 W)
Site classification: Rural
Sky darkness: 8 <1-10 Scale (10 best)>
Seeing: 5 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 200mm Newtonian F5
Magnification: 32X 100X 200X
Filter(s): OIII H-Beta
Object(s): NGC 2244
Category: Reflection nebula.
Class: II 3 r n:b
Constellation: Mon
Data: mag 4.8 size 24.0'
Position: RA 06:31 DEC +04:57
Description:
The Rossette Nebula, the central group of bright stars that seem to light this
photographically impressive nebula are very close and bright, the nebula itself
is bright enough for some structural details to be seen, mainly the darker area
around the cluster itself, OIII Filter seemed to improve the view a little but
H-Beta did not.
--
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