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


            William Maxwell
The Ring Nebula-M57
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The Ring Nebula-M57

Technical card

Imaging telescopes or lenses: Meade Starfinder 8

Imaging cameras: QHYCCD 163m  ·  Canon T1i Full Spectrum

Mounts: Losmandy GM-8

Guiding telescopes or lenses: MEADE 50mm Finder Guidescope

Guiding cameras: ZWO ASI120MM

Software: Open Guiding PHD2 Guiding  ·  Astro Pixel Processor  ·  Adobe Photoshop CS4 Photoshop CS4

Accessory: Baader MPCC coma corrector

Dates:June 3, 2019May 15, 2020

54x180" ISO1600
65x30" (gain: 150.00)

Integration: 3.2 hours

Darks: ~200

Bias: ~200

Avg. Moon age: 11.53 days

Avg. Moon phase: 20.60%

Bortle Dark-Sky Scale: 4.00

Basic astrometry details

Astrometry.net job: 3520710

RA center: 18h 53' 36"

DEC center: +33° 1' 48"

Pixel scale: 0.639 arcsec/pixel

Orientation: 142.028 degrees

Field radius: 0.537 degrees

Resolution: 4713x3798

Data source: Backyard


Mono from QHY and color from DSLR taken last year


Sky plot

Sky plot


The Ring Nebula-M57, 


            William Maxwell

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