Sh2 188, a dim planetary in Cassiopeia

Location of photo
Hof, Norway
Date/Time of photo
Nov 24/25 2017
Homebuilt 10-inch Newtonian f/4 and mount in dome. Cam.:SXVR-H9 guided off-axis with DSI Pro2. Exp.:Ha 2x120m, SII 2x60m, OIII 2x60m,all bin 2x2. HST-palette.
The nebula is moving rapidly through the interstellar medium,making a shock-front with a faint tail of material stretching away. Dist. 711 ly.
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