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(IAAC) Obj: NGC 2237-38-39 (Rosette Nebula), NGC 2244 - Inst: 120mm f/8.3 refractor

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Observation Poster: Diego Gonzalez <digonzalz@gmail.com>

Observer: Diego Gonzalez
Your skills: Beginner (< one year)
Date/time of observation: 8/01/2005 0:06 UT
Location of site: Asturias, Spain (Lat 43ºN, Elev 300m)
Site classification: Rural
Sky darkness: 6.1 <Limiting magnitude>
Seeing: 4 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 120mm f/8.3 refractor
Magnification: 31x, 50x, 80x
Filter(s): Astronomik UHC
Object(s): NGC 2237-38-39 (Rosette Nebula), NGC 2244
Category: Emission nebula.
Class: 
Constellation: Mon
Data: mag   size 80' x 60'
Position: RA 6:32  DEC +5:03
Description:
The cluster is visible with naked eye to the east of Epsilon Mon. With the 
telescope at 31x I can see 23 stars in the cluster, but the group of the 
brightest are located on a rectangle elongated SE to NW. 

Observing without filter at 31x I can barely see some very faint nebulosity 
north of the cluster. Using the UHC filter the nebula is best seen: there is a
big arc of about 60-80º to the north of the cluster and a much smaller 
nebulous zone to the south. An amazing sight!

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