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Contains:  Helix nebula, NGC 7293
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NGC 7293 - Helix Nebula

Technical card

Imaging telescopes or lenses:GSO RC 8"

Imaging cameras:ZWO ASI1600MMC

Mounts:Skywatcher AZ-EQ6 GT AZ EQ6- GT

Guiding telescopes or lenses:GSO RC 8"

Guiding cameras:ZWO ASI120MM

Software:Photoshop CCPixInsight Pisinsight 1.8

Filters:Astronomik 6nm SIIAstronomik 6nm OIIIAstrodon LRGB

Astrnomik 6nm HA: 158x300" (gain: 250.00) -20C bin 2x2
Astronomik 6nm OIII: 152x300" (gain: 249.99) bin 2x2
Astronomik 6nm SII: 168x300" (gain: 250.00) bin 2x2
Astrodon LRGB: 180x60" (gain: 250.00) bin 2x2

Integration: 42.8 hours

Bortle Dark-Sky Scale: 7.00

Basic astrometry details job: 1751188

RA center: 22h 29' 38"

DEC center: -20° 50' 9"

Pixel scale: 0.949 arcsec/pixel

Orientation: 117.272 degrees

Field radius: 0.385 degrees

Resolution: 2328x1760

Locations: Backyard, Sydney, NSW, Australia


This is my version of the helix shot with an RC8.

It's a narrow band image in the standard hubble pallet with RGB stars.

As always any C&C are appreciated.



George Varouhakis

Sky plot

Sky plot


NGC 7293 - Helix Nebula, 


            George Varouhakis