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Contains:  Helix nebula, NGC 7293
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Helix Nebula (NGC 7293) @ DSW's Four Hour Bi-Color, 


            Miles Zhou
Helix Nebula (NGC 7293) @ DSW's Four Hour Bi-Color
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Helix Nebula (NGC 7293) @ DSW's Four Hour Bi-Color

Technical card

Imaging telescopes or lenses:RCOS 14.5"

Imaging cameras:SBIG STX 16803


Software:Adobe Lightroom CCPixInsight for Mac

Filters:Astrodon 5nm HalphaAstrodon O-iii

Dates:Jan. 17, 2017

Frames: 8x1800"

Integration: 4.0 hours

Avg. Moon age: 19.92 days

Avg. Moon phase: 72.86%

Basic astrometry details job: 1905450

RA center: 22h 29' 45"

DEC center: -20° 49' 1"

Pixel scale: 0.550 arcsec/pixel

Orientation: 286.204 degrees

Field radius: 0.339 degrees

Resolution: 3479x2765

Locations: Deep Sky West, Rowe, New Mexico, United States


The Helix Nebula, also known as NGC 7293, is a large planetary nebula in the constellation of Aquarius. It is perhaps the nearest planetary nebula to our Solar System. The popular name Helix Nebula refers to the nebula's appearance on photographs. The Helix has been referred to as the "Eye of God" on the Internet, since about 2003.

This is a four hour H Alpha and Oiii bi-color version.



Miles Zhou
License: None (All rights reserved)

Sky plot

Sky plot


Helix Nebula (NGC 7293) @ DSW's Four Hour Bi-Color, 


            Miles Zhou

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