Aurora Borealis in Stenløse

Denmark · 55.77°, 12.20° · geomagnetic 55.5° · needs Kp 7

Tonight's aurora forecast for Stenløse

6%

Peak chance of a visible display tonight, from the same model the Revon app runs. Stenløse needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.8. Short of the threshold, which is what most nights look like here.

Tonight Tue 08 Sep
6%
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06

Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Stenløse

Stenløse is located at 55.5° geomagnetic latitude. Auroras are typically visible at this latitude when the geomagnetic activity reaches Kp 7.

On average, there are about 2.5 nights per year with conditions suitable for aurora viewing in this region. The historical record spans from 2016 to 2026.

The best months for aurora viewing in Stenløse are September, November, and August. These months offer a good balance of darkness and potential aurora activity.

During May, June, and July, Stenløse experiences periods without full darkness, which can significantly reduce the visibility of auroras.

Stenløse has a Bortle scale rating of 7, indicating significant light pollution. Areas with lower Bortle ratings offer darker skies.

Darker sky areas can be found nearby, including a Bortle 4 zone 28 km west near Holbæk Municipality and a Bortle 5 zone 26 km north near Gribskov Municipality.

The local terrain includes hills such as Skyhøj and Stenesknold, lakes like Buresø and Bastrup Sø, and an island named Hyldeholm, which may affect viewing angles.

Skyhøj, a hill located 5.6 km north-north-west of Stenløse, is one of the local terrain features.

Stenesknold, another hill, is situated 6.2 km north of Stenløse.

The area also includes Buresø lake (6.5 km north-north-east), Bastrup Sø lake (7.1 km north-east), and Hyldeholm island (8.9 km west-north-west).

There are 6 verified aurora reports within 300 km of Stenløse between January 1, 2015, and December 31, 2016.

The historical record indicates potential viewing nights based on Kp index values. Qualifying nights include 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 location dataset · 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

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Nearby towns

Forecasts for places within reach of Stenløse.