NGC 6441 · Globular cluster · Scorpius
Silver Nugget Cluster
William Optics RedCat 51ZWO ASI2600MC Pro7 hBortle 1
Description
Demo picture: ESA/Hubble & NASA, G. Piotto (ESA/Hubble, CC BY 4.0, https://esahubble.org/images/potw2022a/).
Session
- Total integration
- 6 h 57 min
- Sky darkness
- Bortle 1
- Dates
- 18 Oct 2026 – 19 Oct 20262 nights
- TelescopeWilliam Optics RedCat 51
- CameraZWO ASI2600MC Pro
- Optics250 mm f/4.9 · 51 mm aperture
- MountZWO AM5 · Equatorial
| Filter | Exposure | Frames | Total (h:mm) |
|---|---|---|---|
| UV/IR cutbroadband | 180 s | 139 | 6:57 |
Processing
- Tools
- Siril, GraXpert, StarNet, Photoshop
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