19 Sept 2025
Dataset consists of 4 different images of the limb of the Sun from Sept 14 2025 using the new Solar Spectrum 0.3A etalon in series with my Lunt 40mm etalon. All show prominences and other details in good seeing. There are 4 TIFFs from autostakkert as well as 4 individual finished JPGs
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 450 | 30m | 4 |