M 75 · Globular cluster · Sagittarius
M 75, a long night
Celestron RASA 8ZWO ASI2600MC Pro3.8 hBortle 1
Description
Demo picture: ESA/Hubble & NASA, F. Ferraro et al. (ESA/Hubble, CC BY 4.0, https://esahubble.org/images/potw1916a/).
Session
- Total integration
- 3 h 48 min
- Sky darkness
- Bortle 1
- Dates
- 17 Oct 2026 – 18 Oct 20262 nights
- TelescopeCelestron RASA 8
- CameraZWO ASI2600MC Pro
- Optics400 mm f/2 · 203 mm aperture
- MountiOptron CEM70 · Equatorial
| Filter | Exposure | Frames | Total (h:mm) |
|---|---|---|---|
| UV/IR cutbroadband | 30 s | 456 | 3:48 |
Processing
- Tools
- PixInsight, GraXpert, StarXTerminator
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