M57 - NGC6720 and IC1296

in Lyra

Optic
Celestron C14 / f/11
Mount
Losmandy HDM Titan
Camera
SBIG ST-10E + CFW8 + AO7
Exposure time
LHRGB: 40:12:12:12:12min ( HRGB 2x2 binned )
Processing
Astroart, Photoshop
Date / Time
6th September 2004 / 19:44 - 0:35 UT
Location
Bucklige Welt / Niederoesterreich
Notes
Chip-Temp: -20°C

Optic
Celestron C14 / f/11
Mount
Losmandy HDM Titan
Camera
SBIG ST-10E + CFW8 + AO7
Exposure time
LHRGB: 30:6:10:10:10min ( HRGB 2x2 binned )
Processing
Astroart, Photoshop
Date / Time
17th July 2004 / 21:50 - 1:23 UT
Location
Bucklige Welt / Niederoesterreich
Notes
Weather: bad seeing, Chip-Temp: -15°C

Manfred Schwarz