Hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  IC 1296  ·  M 57  ·  NGC 6720  ·  Ring Nebula
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Lord of the Rings, 


            Damien Cannane
Lord of the Rings
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Lord of the Rings

Technical card

Imaging telescopes or lenses: Celestron RASA 8"

Imaging cameras: ZWO ASI183MC Pro

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: Orion Mini 50mm Guide Scope

Guiding cameras: ZWO ASI224MC

Software: Pleiades Astrophoto PixInisight  ·  ZWO ASIAIR PRO ASIAIR PRO  ·  Photoshop CC  ·  Astra Image  ·  Deepsky Stacker Deep Sky Stacker (DSS)

Filters: Astronomik L-2 UV-IR Block

Accessory: ASIair Pro

Dates:April 24, 2021

Frames:Astronomik L-2 UV-IR Block: 87x40" (58') (gain: 111.00)

Integration: 58'

Avg. Moon age: 11.72 days

Avg. Moon phase: 89.85%

Bortle Dark-Sky Scale: 6.00

Basic astrometry details

Astrometry.net job: 4549114

RA center: 18h 53' 35"

DEC center: +33° 1' 15"

Pixel scale: 0.828 arcsec/pixel

Orientation: 270.197 degrees

Field radius: 0.142 degrees

Resolution: 874x874

Locations: My Back Yard, Copley, OH, United States

Data source: Backyard


Probably the most famous of planetary nebulae, M57 presents a challenge at 400mm focal length, but I'm very pleased with the amount of detail captured here. I didn't use a tri-band filter here; this is just straight OSC under a nearly full moon.