(IAAC) Obj: SH 2-240, Simeis 147 - Inst: 15" f4.5 Obsession

**anonymous@s15272250.onlinehome-server.com**

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Observation Poster: Armin Hermann <burmeseinn@yahoo.com>

Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 13 Dec 2003
Location of site: Sangkhlaburi/Thailand (Lat +15, Elev 200m)
Site classification: Exurban
Sky darkness: 6 <Limiting magnitude>
Seeing: 8 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15"  f4.5  Obsession
Magnification: 78x
Filter(s): OIII
Object(s): SH 2-240, Simeis 147
Category: Supernova remnant.
Class: 
Constellation: Tau
Data: mag -  size -
Position: RA :  DEC +28:
Description:
Faint supernova remnant in Tau. At 78x with OIII and averted vision I could make 
out the southern parts of the Nebula as very faint but fairly easily visible streaks. 
Without the OIII I could not detect any trace of SH240. The nebula is almost too 
extended for my lowest magnification of 78x. Sh240 definitely needs very clear 
skies. I did not look out for the northern arcs of the SN remnant.

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