object: NGC 6820 & NGC 6823 description: open cluster & emissionsnebula date: 09-12/13-2004 optic: Takahashi FS78 f/8 exposure: R/RGB (2.5h/1h/1h/1h) Astonomik-II Filter camera: ST-10xme @ 1bin resolution 1530x1020 (514 kB)