(IAAC) Obj: PNG 19.4-13.6, DeHt3, Dengel-Hartl 3 - Inst: 15" f4.5 Obsession

[anonymous at s15272250.onlinehome-server.com]

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

Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 27 Jun 2008
Location of site: 5 km N of Kanchanaburi, Thailand (Lat 14 N, Elev 50m)
Site classification: Exurban
Sky darkness:  <Limiting magnitude>
Seeing:  <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15" f4.5 Obsession
Magnification: 131x, 342x
Filter(s): OIII
Object(s): PNG 19.4-13.6,  DeHt3, Dengel-Hartl 3
Category: Planetary nebula.
Class: 
Constellation: Sgr
Data: mag <14  size 32"
Position: RA 19:17  DEC -18:
Description:
This planetary was discovered very recently in 1980 and is a definite challenge 
for a scope like mine (15")! At 131x with the OIII filter I could only catch 
rare glimpses of the nebula and for several minutes I was not even sure if I 
had really seen it. To confirm my observation, I increased the magnification to 
342x plus OIII filter. Now the faint nebula was visible through averted vision. 
It does not show any detail such as a brighter center. Appears smaller than the 
catalogue-given 32" diameter. Very difficult object.

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