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NGC 7293 - HELIX NEBULA

AQUARIUS

 (ra: 22:29,6/ dec -20:48)

 

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Joint work performed by Ezequiel Bellocchio and Sergio Eguivar from BA Suburbs


 

DATA

TYPE: Planetary Nebula

VISUAL MAGNITUDE: 7.3

SIZE: 16x 28 arc minutes /

DISTANCE 450 light years

 

OBJECT DESCRIPTION

NGC 7253 is a quite close Planetary Nebula and also one of the mayor in its apparent size. At that distance it may well be the closest planetary nebula offering a dramatic view of the final evolution stage of a Solar type star. Unfortunately it is not an easy object to observe. This is because the light spans over an important area. The nebula itself is 2.5 light year across. Even the Herschelís could not catalogue this object. The name know as Helix is because its shape appearance in the photographs

 

IMAGE INFORMATION

SCOPE:LX 200 10" ARC f6.3

CAMERA:SXVF H9

GUIDING: Takahashi 90II LodeStar Camera

IMAGE ADQUISITION: AstroArt - August 9th 2008

FILTERS: Astronomik Type II, Ha 6nm, IDAS LPS2 / Atik Filter Wheel

SKY CONDITIONS: regular to bad

EXPOSURES: LHaRGB (16,24,16,16,16) Subs 240 secs

PROCESSING: Calibrated flats only. Sigma Median Combination,Deconvolution RL in ImagesPlus 2.75. Photoshop CS2