Object: Diffuse nebula (Emission) NGC 6813 Constell: VUL RA: 19h 40.3m Decl: +27° 18' Epoch: 2000 Mag: Size: 3' Type: E Observer: Jere Kahanpää Obs. place: Helsinki, Finland Date/Time: 17./18.9.1996, 23.30 Telescope: C 200/2000 Magn: 160x Filter: O-III Field: 19' NE Lim.mag: 5.5m Background sky: 3-4 Seeing: 3 Weather: +6 °C, no Moon. OK Brightness: 5a Alt: Description: Faint but easy with O-III + averted vision. Almost round, brightest parts on the NE edge. Diameter about 1.5'