M57 - NGC6720

in Lyra

M57 - NGC 6720

Optic
Officina Stellare RC360AS + Reducer f/6 (f=2160mm)
Mount
Losmandy HGM Titan
Camera
SBIG ST-10XE + CFW10 + AO8
Exposure time
4h: Ha: 8x15min, OIII 8x15min
Processing
PixInsight 1.7
Date / Time
29th August 2011
Location
Bucklige Welt / Niederoesterreich
Notes
chip temp. -20°C

astrophotos © by manfred schwarz