The Bubble Nebula, NGC 7635 in Cassiopeia: a shell of gas 7 light-years across blown by one huge star, about 8,000 light-years away. I’ve avoided faint nebulae like this on the Celestron Origin because of walking noise but not any longer.
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The Bubble Nebula
NGC 7635, in Cassiopeia · Celestron Origin — 2 h 20 m in one night, October 15, 2026
The Bubble Nebula (NGC 7635) · Celestron Origin, UV/IR-cut · ©2026 Peter F. Wingard · @see_theShow
One star, one bubble
Acquisition
- Telescope
- Celestron Origin — RASA 6″, 335 mm, f/2.2
- Camera
- Origin built-in colour camera — ISO 500
- Filter
- UV/IR-cut
- Integration
- 281 × 30s = 2 h 20 m
- Dates
- October 15, 2026 (one night)
- Location
- My backyard site at The Star Farm in Camden, South Carolina — Bortle 4.5
- Processing
- Stacked in Siril, processed in PixInsight