Hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  IC 1296  ·  M 57  ·  NGC 6720  ·  Ring nebula in Lyra
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Ring Nebula, 


            Christopher E. Purdy
Ring Nebula
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Ring Nebula

Technical card

Imaging telescopes or lenses: Meade 10" F10 SCT

Imaging cameras: Canon EOS 650D / Rebel T4i

Mounts: Celestron CG5-ASGT

Software: Nebulosity

Dates:Sept. 12, 2012

Frames: 10x10" (1' 40")

Integration: 1' 40"

Avg. Moon age: 25.81 days

Avg. Moon phase: 14.86%

Basic astrometry details

Astrometry.net job: 104437

RA center: 18h 53' 30"

DEC center: +33° 4' 12"

Pixel scale: 0.302 arcsec/pixel

Orientation: 89.550 degrees

Field radius: 0.245 degrees

Resolution: 620x400

Locations: Promethean Visions Observatory, Fenton, MICHIGAN, United States


Ring nebula - first test of Canon T4i and Meade 10" SCT. Stack of 10X10 second frames


Sky plot

Sky plot


Ring Nebula, 


            Christopher E. Purdy