(IAAC) Obj: NGC 3115 - Inst: 10" F/5.6 Dob

anonymous at sedna.atmob.org anonymous at sedna.atmob.org
Sun Apr 10 23:28:01 EDT 2005


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Observation Poster: Brian Carter <nairbretrac at hotmail.com>

Observer: Brian Carter
Your skills: Intermediate (some years)
Date/time of observation: 9/10/05
Location of site: Charlie Elliot, near Atlanta GA (Lat , Elev )
Site classification: Exurban
Sky darkness: 5.5 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 10" F/5.6 Dob
Magnification: 53x, 100x, 135x, 200x and Barlow
Filter(s): 
Object(s): NGC 3115
Category: Planetary nebula.
Class: PN
Constellation: Hyd
Data: mag 9  size 20.8'
Position: RA 10:20.8  DEC -18:38
Description:
Jupiter Nebula PN in Hydra - Mag 9 - RA 10 : 24.8 D -18 : 38  In the 27mm 
Panoptic at 52x seen as a greenish orb about the size of Jupiter.  Forms a 
right triangle with two other stars, one red, one blue, probably around 10-11 
magnitudes.  With an O-III filter it glows vividly neon green, shows a faint 
outer haze.  Barlowing the 10.5mm pentax for 270x gives the best view 
tonight.  There are two parts, a bright inner ring, not circular, more oval 
and flattened with cloudy peripheral circular layer.  Only occasionally can I 
see the inner star.

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