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Kp1.0
Solar wind350 km/s
X-rayC1.0
StormG0 (Quiet)
Source: NOAA SWPCAstronomy & Aurora Tonight in Eiras, PT
2026-10-07 · times in Europe/Lisbon · 40.25°N, 8.42°W
Sunrise, Sunset & Twilight
| Event | Time |
|---|---|
| Sunrise | 7:35 AM |
| Sunset | 7:06 PM |
| Day length | 11 h 30 min |
| End of civil twilight | 7:33 PM |
| End of nautical twilight | 8:04 PM |
| End of astronomical twilight | 8:36 PM |
| Night length (sunset to sunrise) | 12 h 31 min |
| Fully dark sky tonight | 9 h 30 min |
| Astronomical twilight starts (morning) | 6:06 AM |
Moon
| Moonrise | 4:00 AM |
| Moonset | 5:31 PM |
| Illumination | 9.6% |
| Phase | Waning Crescent |
| Sublunar point (Moon overhead) | 7.66°N, 120.84°W |
| Sublunar point ground speed | 1,601 km/h |
Moon values are for the moment this page was generated (17:36 UTC). A moonrise or moonset can be missing on a given date.
Planets Tonight
| Planet | Rise | Set | Meridian | Visibility |
|---|---|---|---|---|
| Mercury (mag -0.1) | 9:47 AM | 7:55 PM | 2:51 PM | Not visible tonight: below the horizon (or too low) while the sky is dark. |
| Venus (mag -4.6) | 9:56 AM | 7:26 PM | 2:41 PM | Not visible tonight: below the horizon (or too low) while the sky is dark. |
| Mars (mag 1.1) | 1:46 AM | 4:16 PM | 9:01 AM | Visible about 5 h after dark, highest 58° toward the SE. |
| Jupiter (mag -1.9) | 3:07 AM | 4:57 PM | 10:02 AM | Visible about 3.5 h after dark, highest 44° toward the E. |
| Saturn (mag 0.2) | 7:03 PM | 7:24 AM | 1:16 AM | Visible about 11.5 h after dark, highest 52° toward the S. |
Aurora Tonight
Aurora possible
Eiras is far enough from the equator for aurora. Planetary Kp is 1.0. Seeing it still needs a dark, clear sky.

NOAA SWPC OVATION model. Full aurora forecast
Nearby Locations
- Sao Paulo de Frades2 km away
- Santo Antonio dos Olivais3 km away
- Coimbra5 km away
- Sao Martinho do Bispo6 km away
- Ribeira de Frades7 km away
- Condeixa-a-Nova17 km away
- Figueira da Foz39 km away
- Pombal41 km away
All cities in Coimbra · All regions in Portugal · Astronomy hub
