The Ring Nebula (M57)

Posted by Bill Snyder
on Tuesday, November 01, 2011

by Bill Snyder

Scope              Planewave 17in

CCD                 Apogee U16

Mount              Paramount ME

Filters              Astrodon Ha 5nm  OIII 3nm

Exposures      Ha10hrs   30x20min       OIII9hrs  27x20min

Location:        Sierra Nevada Mountains CA.Heavens Mirror Observatory SRO

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