Corsair.gr

M57, Ring planetary nebula
Sky-Watcher Star Adventurer mount - No guiding - Canon EOS 600D unmod-EFS 55-250 IS lens
65 stacked images x 10sec-darks-flats-bias, processed in DSS,resized, croped
Exposure time [h] : 11:14
F-Number : 5.6
ISO speed ratings : 1600
Focal length [mm] : 250
Δίρφυς Χαλκίδας

Created on

Monday 1 August 2016

Posted on

Sunday 4 September 2016

Tags

m57, nebula, planetary, ring, δακτυλιδι, μ57, νεφελωμα, πλανητικό

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