Planetary nebulae M57 - 12 June 2007

This planetary nebulae is probably best known. Ring is good object for observing.

Technical information:
Optics:Celestron Schmidt-Cassegrain 356/3910 +
Celestron Reducer/Corrector f/6,3
Exposure:4x60s
Date & time:11. 6. 2007 at 23:02 UTC
Location:observatory Vartovka
Atmosphere:clear sky
Pointation:unpointed
Mount:CGE 1400
Software:Photoshop
ISO/ASA:800
Camera:Canon 350D





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