[Prev][Next][Index][Thread][Search][Objects]

(IAAC) Obj: Abell 39 (PK 47+42.1) - Inst: 17.5" f/4.5 Dobson

To: Internet Amateur Astronomers Catalog <netastrocatalog@atmob.org>
Subject: (IAAC) Obj: Abell 39 (PK 47+42.1) - Inst: 17.5" f/4.5 Dobson
From: apache@atmob.org (Apache User)
Date: Fri, 2 Nov 2001 05:45:52 -0500 (EST)
Cc: dobsonstathis@planet-interkom.de
Delivered-To: netastrocatalog-mh@atmob.org
Delivered-To: netastrocatalog@atmob.org
Reply-To: netastrocatalog-announce@atmob.org
Sender: owner-netastrocatalog@atmob.org

----

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

Observer: Stathis Kafalis
Your skills: Advanced (many years)
Date/time of observation: 2000 May 10
Location of site: 50 km south of Munich/ Germany (Lat 48°, Elev 700)
Site classification: Exurban
Sky darkness: 4 <Bortle Scale (9 worst)>
Seeing: 5 <10-1 Seeing Scale (1 best)>
Moon presence: None - moon not in sky
Instrument: 17.5" f/4.5 Dobson
Magnification: 83 and 132
Filter(s): OIII
Object(s): Abell 39 = PK 47+42.1
Category: Planetary nebula.
Class: Smooth disk w. traces of ring structure
Constellation: Hercules
Data: mag 13.0 (vis)  size 170"
Position: RA 16:28  DEC +27:54
Description:
Without filter nothing to see.
At 132x (15 mm Panoptic) with OIII obvious with averted vision.
Exactly round, big with slightly diffuse edge. 
Sometimes darker in the middle.
--
Optional related URLs: http://www.geocities.com/dobsonstathis
** This observing log automatically submitted via the Web from:
  http://www.visualdeepsky.org/enter-log.html
To stop receiving all 'netastrocatalog' lists, use the Web forms at:
http://www.visualdeepsky.org/subscribe.html

Prev: (IAAC) Obj: Abell 74 (PK 72-17.1) - Inst: 17.5" f/4.5 Dobson
Next: (IAAC) Obj: Abell 33 (PK 238+34.1) - Inst: 10" f/5.4 Travel Dobson
Indices: