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Contains:  The star Sulafat (γLyr), The star Sheliak (βLyr), The star ν2Lyr, The star ν1Lyr, Part of the constellation Lyra (Lyr)
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M57 Multi-Instrument, 


            Tim Stone
M57 Multi-Instrument

M57 Multi-Instrument

Technical card

Resolution: 4048x4048

Dates:June 4, 2013June 5, 2014

Astrodon E-series 2 L: 2x900" -10C bin 2x2
Astrodon E-series 2 L: 18x300" -30C bin 1x1
Astrodon E-series B: 2x300" -10C bin 3x3
Astrodon E-series B: 2x300" -30C bin 1x1
Astrodon E-series G: 2x300" -10C bin 3x3
Astrodon E-series G: 6x300" -30C bin 1x1
Astrodon E-series R: 2x300" -10C bin 3x3
Astrodon E-series R: 6x300" -30C bin 1x1

Integration: 3.7 hours

Avg. Moon age: 16.40 days

Avg. Moon phase: 30.96% job: 295076

RA center: 18h 54' 21"

DEC center: +33° 31' 30"

Orientation: 179.146 degrees

Field radius: 1.636

Locations: Sugar Grove Observatory, Funks Grove, IL, United States; Prairie Sky Observatory, Funk's Grove, IL, United States


No, it's not a typo. The data for this image was acquired exactly one year and one day apart. The CDK17 was used to acquire the data for M57 on June 4, 2013, and the CCA250 is the source of the wide field data June 5, 2014..

Image acquired at Prairie Sky Observatory and Sugar Grove Observatory, facilities of Twin City Amateur Astronomers (



Tim Stone
License: None (All rights reserved)


  • M57 Multi-Instrument, 


            Tim Stone
  • Final
    M57 Multi-Instrument, 


            Tim Stone

Sky plot

Sky plot


M57 Multi-Instrument, 


            Tim Stone