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G1Peak 18 September 1997 at 00:00 UTC

Northern Lights on 18 September 1997 (Kp 5): Where They Were Visible

Kp reached 5. At that level the edge of the auroral oval reaches about 56.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 52.0°. Activity stayed at storm level (Kp 5 or more) for 6 hours.

03579 G1 G3 Wed 17 Sept 00:00 UTC · Kp 0.67 Wed 17 Sept 03:00 UTC · Kp 1.33 Wed 17 Sept 06:00 UTC · Kp 0.67 Wed 17 Sept 09:00 UTC · Kp 1.33 Wed 17 Sept 12:00 UTC · Kp 2.00 Wed 17 Sept 15:00 UTC · Kp 2.67 Wed 17 Sept 18:00 UTC · Kp 3.00 Wed 17 Sept 21:00 UTC · Kp 3.67 Thu 18 Sept 00:00 UTC · Kp 5.00 Thu 18 Sept 03:00 UTC · Kp 5.00 Thu 18 Sept 06:00 UTC · Kp 3.33 Thu 18 Sept 09:00 UTC · Kp 2.33 Thu 18 Sept 12:00 UTC · Kp 2.67 Thu 18 Sept 15:00 UTC · Kp 3.00 Thu 18 Sept 18:00 UTC · Kp 1.67 Thu 18 Sept 21:00 UTC · Kp 2.00 Fri 19 Sept 00:00 UTC · Kp 0.33 Fri 19 Sept 03:00 UTC · Kp 0.00 Wed 17 SeptThu 18 SeptFri 19 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

1,357 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 368 Seattle, Milwaukee, Minneapolis, Saint Paul Yakima
Canada 359 Toronto, Montreal, Calgary, Ottawa Hamilton
Sweden 145 Stockholm, Gothenburg, Malmö, Uppsala Oxie
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
United Kingdom 103 Glasgow, Edinburgh, Aberdeen, Dundee Ashington
Norway 77 Oslo, Bergen, Trondheim, Stavanger Mandal
Denmark 75 Copenhagen, Aarhus, Aalborg, Frederiksberg Esbjerg
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 18 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Lithuania 18 Klaipeda City Municipality, Šiauliai, Panevėžys, Mažeikiai Utena
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Ireland 1 Letterkenny Letterkenny
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

2,365 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.

← 3 September 1997 · 21 September 1997 →