The Soap Bubble Nebula, or PN G75.5+1.7, is a planetary nebula in the constellation Cygnus, near the Crescent Nebula (NGC 6888).
It was discovered by amateur astronomer Dave Jurasevich using a 160 mm refractor telescope who imaged the nebula on June 19, 2007 and on July 6, 2008.
The nebula was later independently noted and reported to the International Astronomical Union by Keith. B. Quattrocchi and Mel Helm who imaged PN G75.5+1.7 on July 17, 2008.
The Apparent dimensions is 4' 20" (WIKI)

Imaged over 10 nights in June-September 2016

O3-Ha-O3 mapped as RGB
RGB for the star colors

Ha - 112X600sec
O3 - 40X600 sec each
RGB - 30 min each

Total about 26 HRS

All images at Bih 2 = 0.89" per pixel

C14 equipped with Starizona SCT corrector (operating at F7.2)
ASA DDM60 - no guiding :)
Imaged from my home in Gan-Yavne ISRAEL