Aurora Borealis in Eltham
United Kingdom · 51.45°, 0.05° · geomagnetic 53.3° · needs Kp 7
Tonight's aurora forecast for Eltham
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Eltham needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.9. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:36 UTC
Local aurora guide for Eltham
Eltham is at 53.3° geomagnetic latitude. Auroras visible here require a Kp of 7 or higher.
On average, there are 2.7 nights per year with conditions suitable for aurora viewing.
The record span for these observations is from 2016 to 2026.
The best months for aurora viewing in Eltham are September, August, and November.
During June and July, there is no full darkness, which can impact viewing conditions.
Eltham experiences Bortle 8 light pollution. Darker skies, rated Bortle 4, can be found 66 km to the east.
Notable features in the vicinity include Greenwich Park to the north-west, the Royal Greenwich Observatory also to the north-west, and Tripcock Point to the north-east.
Greenwich Park is a park located 4.5 km north-west of Eltham.
The Royal Greenwich Observatory is situated 4.7 km north-west of Eltham.
Tripcock Point, a headland, is 6.4 km north-north-east of Eltham. King George Park is 7.0 km north of Eltham, and Beckton Alps, a hill, is 7.7 km north of Eltham.
There have been 46 verified aurora sightings reported within 300 km of Eltham between 2015 and 2016.
Notable aurora events in the region occurred on March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), January 19, 2026 (Kp 8.67), November 12, 2025 (Kp 7.33), and November 11, 2025 (Kp 8.67).
Sources: Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
Know when it is worth going outside
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Nearby towns
Forecasts for places within reach of Eltham.