Karel Teuwen - M57 (NGC 6720)

M57 (NGC 6720) (Ring Nebula)

in Lyra

Instrument:	40cm corrected Newton@f3.75
Detector:	FLI ML8300 + CFW-5-7
Filters:	Astrodon Gen2 Tru-Balance E-series LRGB + H-Alpha 3nm
Exposures:	Lum : 280 min, Ha : 600 min and RGB 180:180:180 min (all 1x1bin)
Location:	Verclause (France)
Date:	05, 07, 08, 09/06 & 14, 16, 21, 22/06/2016
Comments:	data acquired remotely, H-Alpha 100% blended with the red channel & 20% with the blue channel, full resolution at 130%