Sh2-188

by Willem Jan Drijfhout

Objects in field: LBN 633, Sh2-188, PK128-04.1

Equipment: Planewave CDK14, Moravian Instruments C3-61000 PRO

Integration: 24h 10m

Most of the Sharpless II objects are emission nebulae. Sh2-188 however is a planetary nebula. And one with a very asymmetrical shape. It is very faint. Even with 24h of data it was quite a challenge to separate the nebula well enough from the background. Some of the images were shot during full moon which with hindsight was probably not the best idea. Also it was a bit late in the year, meaning…