Hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  IC 1296  ·  M 57  ·  NGC 6720  ·  Ring Nebula
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M57 - Ring Nebula (HRGB), 


M57 - Ring Nebula (HRGB)
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M57 - Ring Nebula (HRGB)

Technical card

Imaging telescopes or lenses: Edge HD 1100

Imaging cameras: QSI 660 WS

Mounts: Software Bisque Paramount MX

Guiding telescopes or lenses: Edge HD 1100

Guiding cameras: QSI 660 WS

Software: ImagesPlus 6.5 MLUnsold Digital Imaging  ·  GIMP  ·  Deep Sky Stacker  ·  Fitswork 4  ·  IrfanView  ·  Regim  ·  Software Bisque The SkyX Professional  ·  Imagenomic LLC Noiseware

Filters: Astrodon 31mm LRGB E Series Gen 2 1.25"

Accessory: Innovations Foresight On-axis guider  ·  Starlight Xpress Lodestar X2

Integration: 0.0 hours

Basic astrometry details

Astrometry.net job: 3814390

RA center: 18h 53' 35"

DEC center: +33° 1' 30"

Pixel scale: 0.464 arcsec/pixel

Orientation: 0.048 degrees

Field radius: 0.222 degrees

Resolution: 2632x2215

Locations: Back Yard - New York, Pittstown, NY, United States

Data source: Backyard


This image is a total re-process of my M57 data from June. This version has much lower saturation in the colors, and better detail in the brighter part of the ring.

I have used H-alpha as luminance for most of the image, except for the galaxy IC 1296, which was blended in from RGB data. The central star of M57 and its foreground companion essentially disappear in H-alpha, so they are not visible in this version.

Total integration: 17.2 hours

H-alpha: 11.5 hours, combination of 600 s and 1200 s subs

RGB: 5.7 hours, 480 s and 600 s subs