Object: Planetary nebula IC 4593 Constell: HER RA: 16h 12.2m Decl: +12° 04' Epoch: 2000 Mag: 10.7m (v) Size: 12.5''x10'' Type: 2(2) Observer: Jere Kahanpää Obs. place: Jyväskylä, Finland Date/Time: 13./14.4.1993, 00.32 Telescope: N 202/1219 Magn: 390x Filter: Meade LPR Field: NE Lim.mag: 5.3m Background sky: 4 Seeing: 1-2 Weather: Brightness: 1 Alt: Description: 70x: Almost stellar. The color (bluish) separates it easily from the white field stars. At 390x it is clearly non- stellar with a nice well-defined disk. The edges of the disk seemed to be slightly brighter. There is a brightening on the NW edge which reaches almost to the mag 11.2 central star.