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G1Peak 27 September 2020 at 21:00 UTC

Northern Lights on 27 September 2020 (Kp 5.3): Where They Were Visible

Kp reached 5.3. At that level the edge of the auroral oval reaches about 55.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 51.3°. Activity stayed at storm level (Kp 5 or more) for 12 hours.

03579 G1 G3 Sat 26 Sept 18:00 UTC · Kp 2.00 Sat 26 Sept 21:00 UTC · Kp 3.33 Sun 27 Sept 00:00 UTC · Kp 2.33 Sun 27 Sept 03:00 UTC · Kp 4.00 Sun 27 Sept 06:00 UTC · Kp 1.67 Sun 27 Sept 09:00 UTC · Kp 1.67 Sun 27 Sept 12:00 UTC · Kp 1.67 Sun 27 Sept 15:00 UTC · Kp 2.67 Sun 27 Sept 18:00 UTC · Kp 4.67 Sun 27 Sept 21:00 UTC · Kp 5.33 Mon 28 Sept 00:00 UTC · Kp 4.67 Mon 28 Sept 03:00 UTC · Kp 4.67 Mon 28 Sept 06:00 UTC · Kp 4.00 Mon 28 Sept 09:00 UTC · Kp 3.33 Mon 28 Sept 12:00 UTC · Kp 3.67 Mon 28 Sept 15:00 UTC · Kp 4.00 Mon 28 Sept 18:00 UTC · Kp 4.67 Mon 28 Sept 21:00 UTC · Kp 5.00 Tue 29 Sept 00:00 UTC · Kp 4.00 Tue 29 Sept 03:00 UTC · Kp 3.33 Sun 27 SeptMon 28 SeptTue 29 Sept
Kp 0–3 Kp 4 Kp 5–6 (G1–G2) Kp 7+ (G3+) Times in UTC; faded bars are forecasts.

Three-hourly Kp from GFZ, one day either side of the storm.

Where the aurora could be seen

3,282 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
Canada 631 Montreal, Calgary, Ottawa, Edmonton Clarenville-Shoal Harbour
United States 506 Minneapolis, Saint Paul, Anchorage, Spokane Billings
Sweden 474 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Finland 454 Helsinki, Espoon keskus, Tampere urban area, Vantaa Hanko
United Kingdom 419 Glasgow, Edinburgh, Belfast, Newcastle upon Tyne Middlesbrough
Norway 276 Oslo, Bergen, Trondheim, Stavanger Mandal
Denmark 255 Copenhagen, Aarhus, Odense, Aalborg Nakskov
Latvia 76 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Estonia 65 Tallinn, Tartu, Narva, Pärnu Võru
Lithuania 54 Kaunas, Klaipeda City Municipality, Šiauliai, Panevėžys Garliava
Iceland 37 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Greenland 14 Nuuk, Sisimiut, Ilulissat, Qaqortoq Nanortalik
Faroe Islands 11 Tórshavn, Klaksvík, Hoyvík, Argir Argir
Ireland 6 Letterkenny, Sligo, Buncrana, Ballybofey Sligo
Germany 2 Westerland, Glücksburg Glücksburg
Kazakhstan 1 Petropavl Petropavl
Svalbard & Jan Mayen 1 Longyearbyen Longyearbyen
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

4,461 more towns could have caught a faint red or green glow low on the horizon with a phone or camera.

Whether the aurora was actually seen also depended on the weather. Use this as a guide to where it was possible.

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