Soap Bubble Nebula (PN G75.5+1.7) · ATR2600C · 2025-09-13

The Soap Bubble Nebula (PN G75.5+1.7, also cataloged as Ju 1) is a faint planetary nebula in the constellation Cygnus, sitting near the much brighter Crescent Nebula (NGC 6888), with which it is often framed in the same wide-field shot. It takes its name from its remarkably symmetrical, spherical shape and spans about 260 arcseconds. Despite being relatively large on the sky, it went undiscovered until 2007-2008, when amateur astronomers Dave Jurasevich, and independently Keith Quattrocchi and Mel Helm, first imaged it - a testament to how faint it is against the surrounding diffuse nebulosity of the Cygnus Milky Way. Because it's so faint, Hα or O III narrowband filters and long integration are essentially required to bring out its delicate bubble-shaped shell.

[Source: Wikipedia, en.wikipedia.org/wiki/Soap_Bubble_Nebula]

Sky Location

The chart above shows where this image sits on the night sky. The yellow outline is its field of view, with the picture itself drawn at its true orientation; north is up and east is left. Click the chart to zoom in, and use "open full resolution" for the full-size chart.

Image Details

PixInsight Processing

1. Image Integration (x2)
2. Channel Combination
3. PixelMath (x2)
4. SCNR
5. HDR Multiscale Transform

The Soap Bubble Nebula (PN G75.5+1.7, also cataloged as Ju 1) is a faint planetary nebula in the constellation Cygnus, sitting near the much brighter Crescent Nebula (NGC 6888), with which it is often framed in the same wide-field shot. It takes its name from its remarkably symmetrical, spherical shape and spans about 260 arcseconds. Despite being relatively large on the sky, it went undiscovered until 2007-2008, when amateur astronomers Dave Jurasevich, and independently Keith Quattrocchi and Mel Helm, first imaged it - a testament to how faint it is against the surrounding diffuse nebulosity of the Cygnus Milky Way. Because it's so faint, Hα or O III narrowband filters and long integration are essentially required to bring out its delicate bubble-shaped shell.

[Source: Wikipedia, en.wikipedia.org/wiki/Soap_Bubble_Nebula]

Sky Location

The chart above shows where this image sits on the night sky. The yellow outline is its field of view, with the picture itself drawn at its true orientation; north is up and east is left. Click the chart to zoom in, and use "open full resolution" for the full-size chart.

Image Details

PixInsight Processing

1. Image Integration (x3)
2. Channel Combination
3. PixelMath
4. SCNR