NGC 7293 - HELIX NEBULA

AQUARIUS

 (ra: 22:29,6/ dec -20:48)

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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 Herschel’s could not catalogue this object. The name know as Helix is because its shape appearance in the photographs

IMAGE INFORMATION

SCOPE:Orion ED 80 f7.5 Refractor

MOUNT Vixen GPDX. Sky Sensor 2000

CAMERA:SXV M7

GUIDING: Synta 70/300 SXV Guide Head

IMAGE ADQUISITION: AstroArt

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

SKY CONDITIONS: visual magnitud 4. Half Moon at 34 degrees. Object too low in the west and  running out of time.

EXPOSURES: LHaRGB (40,32,16,16,16) Subs 300 secs

PROCESSING: Calibrated darks, flats & bias in ImagesPlus 2.75. Photoshop CS