NGC 7635 · Emission nebula · Cassiopeia
Bubble Nebula, from the backyard
Sky-Watcher Esprit 100EDZWO ASI2600MM Pro20.8 hBortle 4–5
Description
Demo picture: NASA, ESA, Hubble Heritage Team (ESA/Hubble, CC BY 4.0, https://esahubble.org/images/heic1608a/).
Session
- Total integration
- 20 h 50 min
- Sky darkness
- Bortle 4–5
- Dates
- 25 Oct 2026 – 27 Oct 20263 nights
- TelescopeSky-Watcher Esprit 100ED
- CameraZWO ASI2600MM Pro
- Optics550 mm f/5.5 · 100 mm aperture
- MountSky-Watcher EQ6-R Pro · Equatorial
| Filter | Exposure | Frames | Total (h:mm) |
|---|---|---|---|
| Chroma Hα and OIII 5 nmnarrowband | 600 s | 125 | 20:50 |
Processing
- Tools
- PixInsight, BlurXTerminator, NoiseXTerminator, StarXTerminator
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