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(IAAC) Obj: NGC 6742 (Abell 50) - Inst: 24" f/4.1 Ultralight Dobson



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Observation Poster: Stathis Kafalis <dobsonstathis@planet-interkom.de>

Observer: Stathis Kafalis
Your skills: Advanced (many years)
Date/time of observation: 2001 June 24
Location of site: German Albs (Lat 48, Elev 1450 m)
Site classification: Exurban
Sky darkness: 6 (hazy clouds) <Bortle Scale (9 worst)>
Seeing: 4 <10-1 Seeing Scale (1 best)>
Moon presence: Minor - crescent or far from object
Instrument: 24" f/4.1 Ultralight Dobson
Magnification: 280
Filter(s): 
Object(s): NGC 6742 (Abell 50)
Category: Planetary nebula.
Class: Stellar
Constellation: Draco
Data: mag 13.4 (p)  size 30"
Position: RA 18:59  DEC 48:28
Description:
Despite Moon and bad transparency immediately seen at 79x (32 mm WF)
3' NW of SAO 47978 (~9 mag).
Best sight at 280x without filter: Exactly round and homogeneous.
Sometimes hole in the center? (not sure). Faint star involved at Western edge. 

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