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Kp2.7
Solar wind346 km/s
X-rayB9.1
StormG0 (Quiet)
Source: NOAA SWPC

Astronomy & Aurora Tonight in Grytviken, GS

2026-10-07 · times in Atlantic/South_Georgia · 54.28°S, 36.51°W

Sunrise, Sunset & Twilight

EventTime
Sunrise5:37 AM
Sunset6:51 PM
Day length13 h 15 min
End of civil twilight7:28 PM
End of nautical twilight8:13 PM
End of astronomical twilight9:02 PM
Night length (sunset to sunrise)10 h 43 min
Fully dark sky tonight6 h 21 min
Astronomical twilight starts (morning)3:23 AM

Moon

Moonrise4:38 AM
Moonset3:14 PM
Illumination9.2%
PhaseWaning Crescent
Sublunar point (Moon overhead)7.18°N, 147.30°W
Sublunar point ground speed1,603 km/h

Moon values are for the moment this page was generated (19:25 UTC). A moonrise or moonset can be missing on a given date.

Planets Tonight

PlanetRiseSetMeridianVisibility
Mercury (mag -0.1)6:00 AM9:29 PM1:43 PMVisible about 1.5 h after dark, highest 16° toward the W.
Venus (mag -4.6)5:18 AM9:47 PM1:33 PMVisible about 1.8 h after dark, highest 18° toward the W.
Mars (mag 1.1)3:51 AM11:56 AM7:53 AMVisible about 0.3 h after dark, highest 6° toward the NE.
Jupiter (mag -1.9)4:19 AM1:30 PM8:54 AMNot visible tonight: below the horizon (or too low) while the sky is dark.
Saturn (mag 0.2)6:11 PM6:00 AM12:08 AMVisible about 9.5 h after dark, highest 34° toward the N.

Aurora Tonight

Aurora possible

Grytviken is far enough from the equator for aurora. Planetary Kp is 2.7. Seeing it still needs a dark, clear sky.

NOAA OVATION aurora forecast map

NOAA SWPC OVATION model. Full aurora forecast

Nearby Locations

All cities in 00 · All regions in South Georgia and the South Sandwich Islands · Astronomy hub