M 22 · Globular cluster · Sagittarius
M 22
Celestron EdgeHD 8 with 0.7× reducerZWO ASI294MC Pro7.9 hBortle 3–4
Description
Demo picture: ESO/VVVX survey (ESO, CC BY 4.0, https://www.eso.org/public/images/eso2413d/).
Session
- Total integration
- 7 h 51 min
- Sky darkness
- Bortle 3–4
- Dates
- 17 Sept 2026 – 19 Sept 20263 nights
- TelescopeCelestron EdgeHD 8 with 0.7× reducer
- CameraZWO ASI294MC Pro
- Optics1422 mm f/7 · 203 mm aperture
- MountCelestron CGX · Equatorial
| Filter | Exposure | Frames | Total (h:mm) |
|---|---|---|---|
| UV/IR cutbroadband | 180 s | 157 | 7:51 |
Processing
- Tools
- PixInsight, BlurXTerminator
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