Bubble Nebula (NGC 7635)
Twenty hours of exposure for one bubble of gas.
What you get
- Format
- JPEG
- Resolution
- 4 466 × 2 922 px (13 MPx)
- Aspect ratio
- 1,53:1
- File size
- 9.3 MB
- Recommended print size
- 37 × 24 cm at 300 DPI – viewed up close
56 × 37 cm at 200 DPI – framed on a wall
Larger prints are possible but will look softer up close. - Suitable for
- For printing for personal use, or as a desktop or TV background.
- Licence
- Personal, non-commercial use. You may not resell, share or use the file commercially. Terms
- Watermark
- No watermark. If the image carries the author’s signature, so does the file.
- Delivery
- Download link right after payment – on the order page and by e-mail. Valid 7 days, 5 downloads.
About the object
The Bubble (NGC 7635) in Cassiopeia lies roughly 7,000 light years away. It was inflated by the stellar wind of a single massive star pushing the surrounding gas outwards; the bubble is around 7 light years across.
How the image was made
- Captured
- 27 November 2025 (start, several nights)
- Total exposure
- 20 h 00 min (240 × 300 s)
- Camera
- ZWO ASI2400MC Pro
- Focal length
- 2 861 mm
- Mount
- Celestron (ovládač CGEM/CGX)
- Location
- Banská Bystrica, Slovakia (home observatory)
- Calibration & stacking
- Siril 1.4.0
- Processing
- Adobe Lightroom 9.0 (Windows)
Data from the original file’s metadata or from the author.