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This exact night

Every photo record in the book carries a date and a time; the GFZ archive carries a Kp value for every three hours since 1932. Here they meet for the first time: each row is the real Kp of the three-hour slot the frame was made in — and the day's eight values.

What a row is: a record of a frame the book made at that place and time. The gallery pairs caption records to images by location, so a row means "a frame made here, then", not "this exact displayed photograph". Rows marked EXIF were read from the file itself.

Records
73
28 nights · 18 EXIF
Median Kp
2.33
in the 3-hour slot of the frame
Under a storm
11
frames at G1 or above (Kp 5−+)
Highest
Kp 7 · G3
Lilleeid · March 22, 2026
frametimeplaceKpthe day's 8body · lens · settings
February 9, 2013day's max Kp 1.67 · open in the calendar → · replay that night’s sky →
14:13SEJokkmokkSwedenKp 0.0Pentax K-30 · 55mm, f/7.1 · 55mm · f/3.5 · 1/640 s · ISO 1600
February 10, 2013day's max Kp 2 · open in the calendar → · replay that night’s sky →
21:19SEPorjusSwedenKp 2.0Pentax K-30 · 18mm, f/3.5 · 55mm · f/3.5 · 30 s · ISO 1600
21:19SEPorjusSwedenEXIFKp 2.0Pentax K-30 · Pentax DA 18-55mm · 55mm · f/3.5 · 30 s · ISO 1600
February 12, 2013day's max Kp 2.67 · open in the calendar → · replay that night’s sky →
21:53SEAbiskoSwedenKp 1.7Pentax K-30 · 18mm, f/3.5 · 55mm · f/3.5 · 30 s · ISO 3200
February 27, 2014day's max Kp 5.33 · open in the calendar → · replay that night’s sky →
15:51ISBlack BeachIcelandKp 4.0Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 1/200 s · ISO 100
15:56ISBlack BeachIcelandKp 4.0Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 1/200 s · ISO 100
21:58ISSkaftafellIcelandKp 5.3G1Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 20 s · ISO 800
22:11ISSkaftafellIcelandKp 5.3G1Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 10 s · ISO 1600
22:45ISSkaftafellIcelandKp 5.3G1Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 800
22:46ISSkaftafellIcelandKp 5.3G1Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 10 s · ISO 1600
22:47ISSkaftafellIcelandKp 5.3G1Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 10 s · ISO 1600
22:48ISSkaftafellIcelandKp 5.3G1Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 10 s · ISO 1600
22:50ISSkaftafellIcelandKp 5.3G1Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 20 s · ISO 800
23:24ISSkaftafellIcelandKp 5.3G1Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 1600
23:24ISVatnajökullIcelandEXIFKp 5.3G1Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 1600
February 28, 2014day's max Kp 4 · open in the calendar → · replay that night’s sky →
13:51ISVatnajökullIcelandKp 1.3Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 1/320 s · ISO 100
14:30ISVatnajökullIcelandKp 1.3Pentax K-x · 50mm, f/5.6 · 50mm · f/1.7 · 1/640 s · ISO 10
17:51ISJökulsárlónIcelandKp 2.0Pentax K-x · 50mm, f/5.6 · 50mm · f/1.7 · 1/320 s · ISO 100
March 1, 2014day's max Kp 2.67 · open in the calendar → · replay that night’s sky →
23:13ISBlue LagoonIcelandKp 2.7Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 20 s · ISO 800
23:13ISBlue LagoonIcelandEXIFKp 2.7Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 20 s · ISO 800
March 4, 2015day's max Kp 3.33 · open in the calendar → · replay that night’s sky →
22:06NOLygenfjordNorwayKp 2.7Pentax K-3 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 800
22:07NOLygenfjordNorwayKp 2.7Pentax K-3 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 800
March 5, 2015day's max Kp 3.33 · open in the calendar → · replay that night’s sky →
00:06NOLygenfjordNorwayKp 2.7Pentax K-3 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 10 s · ISO 800
00:06NOLygenfjordNorwayKp 2.7Pentax K-3 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 10 s · ISO 800
00:06NOLyngenfjordNorwayEXIFKp 2.7Pentax K-3 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 10 s · ISO 800
March 8, 2016day's max Kp 2.33 · open in the calendar → · replay that night’s sky →
20:06NOAltaNorwayKp 2.3Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 30 s · ISO 1600
20:48NOAltaNorwayKp 1.3Pentax K-3 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 1600
20:48NORusseluftNorwayEXIFKp 1.3Pentax K-3 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 1600
21:15NOAltaNorwayKp 1.3Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 10 s · ISO 1600
21:28NOAltaNorwayKp 1.3Pentax K-30 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 1600
March 24, 2017day's max Kp 2.33 · open in the calendar → · replay that night’s sky →
22:46NOElgsnesNorwayKp 0.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 10 s · ISO 1600
23:43NOElgsnesNorwayKp 0.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 1600
23:43NOElgsnesNorwayEXIFKp 0.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 1600
March 28, 2017day's max Kp 5.33 · open in the calendar → · replay that night’s sky →
23:28NOValbergNorwayKp 3.0Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 8 s · ISO 1600
23:29NOValbergNorwayKp 3.0Pentax K-3 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 1600
23:29NOValbergNorwayEXIFKp 3.0Pentax K-3 · Samyang 14mm f/2.8 · 14mm · f/2.8 · 8 s · ISO 1600
March 31, 2017day's max Kp 4.33 · open in the calendar → · replay that night’s sky →
00:18NOHenningsværNorwayKp 4.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 800
00:18NOHenningsværNorwayEXIFKp 4.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 800
02:10NOLofotenNorway · regionKp 4.7G1Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 800
February 23, 2018day's max Kp 4.33 · open in the calendar → · replay that night’s sky →
23:21NOSenjaNorway · regionKp 2.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 10 s · ISO 1600
23:21NOBergsbotnNorwayEXIFKp 2.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 10 s · ISO 1600
February 26, 2018day's max Kp 3 · open in the calendar → · replay that night’s sky →
21:53NOSenjaNorway · regionKp 0.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 13 s · ISO 1600
21:54NOSenjaNorway · regionKp 0.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 13 s · ISO 1600
21:54NOStraumsnesNorwayEXIFKp 0.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 13 s · ISO 1600
March 1, 2018day's max Kp 2.67 · open in the calendar → · replay that night’s sky →
16:51NOReineNorwayKp 0.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 15 s · ISO 400
March 2, 2018day's max Kp 2.67 · open in the calendar → · replay that night’s sky →
15:46NOLofotenNorway · regionKp 0.3Pentax K-3 · Sigma 18-300mm f/3.5 · 300mm · f/3.5 · 1/160 s · ISO 100
March 3, 2018day's max Kp 2.67 · open in the calendar → · replay that night’s sky →
07:35NOReineNorwayKp 1.0Pentax K-3 · Sigma 18-300mm f/3.5 · 300mm · f/3.5 · 1/160 s · ISO 100
09:18NOReineNorwayKp 1.0Pentax K-3 · Sigma 18-300mm f/3.5 · 300mm · f/3.5 · 1/160 s · ISO 100
23:09NOReineNorwayKp 2.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 8 s · ISO 1600
23:09NOReineNorwayEXIFKp 2.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 8 s · ISO 1600
23:12NOReineNorwayKp 2.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 10 s · ISO 1600
March 4, 2018day's max Kp 2.67 · open in the calendar → · replay that night’s sky →
00:12NOReineNorwayKp 2.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 8 s · ISO 1600
00:15NOReineNorwayKp 2.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 8 s · ISO 1600
00:23NOReineNorwayKp 2.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 8 s · ISO 1600
00:24NOReineNorwayKp 2.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 6 s · ISO 1600
12:29NOReineNorwayKp 0.7Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 6 s · ISO 1600
March 21, 2019day's max Kp 1 · open in the calendar → · replay that night’s sky →
23:18NOGimsøyaNorway · regionKp 0.0Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 20 s · ISO 800
March 24, 2019day's max Kp 2 · open in the calendar → · replay that night’s sky →
16:15NOBjørnsandNorwayKp 0.0Pentax K-3 · Sigma 18-300mm f/3.5 · 300mm · f/3.5 · 10 s · ISO 100
16:30NOBjørnsandNorwayKp 0.0Pentax K-3 · Sigma 18-300mm f/3.5 · 300mm · f/3.5 · 1/100 s · ISO 100
March 26, 2019day's max Kp 2.33 · open in the calendar → · replay that night’s sky →
00:02NOUnstadNorwayKp 2.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 1600
00:15NOUnstadNorwayKp 2.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 1600
00:44NOUnstadNorwayKp 2.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 3200
01:41NOUnstadNorwayKp 2.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 3200
01:41NOUnstadNorwayEXIFKp 2.3Pentax K-3 · Rokinon 10mm f/2.8 · 10mm · f/2.8 · 30 s · ISO 3200
12:28NOLeknesNorway · regionKp 0.3Pentax K-3 · Sigma 18-300mm f/3.5 · 300mm · f/3.5 · 1/1250 s · ISO 100
13:35NOStagsandenNorwayKp 0.7Pentax K-3 · Sigma 18-300mm f/3.5 · 300mm · f/3.5 · 13 s · ISO 100
15:55NOReineNorwayKp 0.7Pentax K-3 · Sigma 18-300mm f/3.5 · 300mm · f/3.5 · 25 s · ISO 100
February 10, 2023day's max Kp 4 · open in the calendar → · replay that night’s sky →
17:32NOHamnøyNorwayEXIFKp 2.0Pentax K-3 · Samyang 10mm f/2.8 · 10mm · f/22 · 3 s · ISO 100
March 31, 2024day's max Kp 3.67 · open in the calendar → · replay that night’s sky →
21:11NOStorvatnetNorwayEXIFKp 1.0Pentax K-3 · Samyang 10mm f/2.8 · 10mm · f/2.8 · 13 s · ISO 1600
April 4, 2024day's max Kp 3.33 · open in the calendar → · replay that night’s sky →
20:57NORambergNorwayEXIFKp 3.0Pentax K-3 · Samyang 10mm f/2.8 · 10mm · f/3.2 · 8 s · ISO 1600
April 5, 2024day's max Kp 3.33 · open in the calendar → · replay that night’s sky →
23:48NOSørvågenNorwayEXIFKp 2.3Pentax K-3 · Samyang 10mm f/2.8 · 10mm · f/2.8 · 8 s · ISO 1600
March 23, 2025day's max Kp 4 · open in the calendar → · replay that night’s sky →
20:01NOSkagsandenNorwayEXIFKp 2.0Pentax K-3 · Samyang 10mm f/2.8 · 10mm · f/2.8 · 10 s · ISO 1600
March 22, 2026day's max Kp 7 · open in the calendar → · replay that night’s sky →
18:41NOLilleeidNorwayEXIFKp 7.0G3iPhone 17 Pro Max · — · 7mm · f/1.8 · 1/2 s · ISO 2500

Kp: GFZ German Research Centre for Geosciences definitive record (CC BY 4.0), 3-hour values; each frame's local clock is converted to UTC through the country's time zone (DST included) and that slot is read. Records: the book's caption records (InDesign) and the book spots' EXIF. Kp is a global index — it says what the planet's geomagnetic state was in that slot, not what the sky did over that exact spot.

● 27 February 2014 — The Night It Broke →● Gallery — the frames →● What it was shot on →● Storm days across cycles →