Friday, September 4, 2026

Combined images of the Soap Bubble nebula (PN G75.5+1.7)

I combined images of the Soap Bubble nebula (PN G75.5+1.7) from this summer and 2023. In 2023, 5 hours of HOO were captured by AstroDMX Capture through a William Optics 81mm ED APO refractor with an SV605MC camera. Recently 1 hour of HOO were captured through the same scope with a QHY Minicam8 mono camera/filter wheel combo. To combine, the images were processed in PixInsight, Picture Window Pro, SASPro and Gimp 3. The Soap bubble is very clear. 

It is strange to think that this nebula was only discovered in 2007 by amateur astronomer Dave Jurasevich using an Astro-Physics 160 mm EDF air-spaced triplet apochromatic refractor. He imaged the nebula on June 19, 2007 at f/7.7 and again on July 6, 2008 at f/5.7.


Steve Wainwright

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