erosika.dev  ·  ☾ ??%  ·  ☉ 9.42°N 27.32°W  ·  2026-08-27T13:49:16Z  ·    ·  
10/III+∟10 workspaces / 3 layout modes + 1 hidden door  ·  jd 2461280.0759  ·  kp —  ·  ☾ ??%  ·  ☉ in ?? ??°  ·  gh x
∟ geomagnetic field — planetary k index0–9noaa planetary k index, 3-hour bins
reading the field…
∟ solar windl1measured at l1, 1.5 million km upstream
reading the wind…
∟ x-ray fluxgoesgoes satellites, long band 0.1–0.8nm
reading the sun…
∟ the sun todaysdonasa solar dynamics observatory, latest stills

the sun right now in three layers — photographs about 15 minutes old, sunspots visible on the left frame.

the sun's visible surface with sunspots, sdo hmi
surface · hmi visible
the sun's chromosphere at 304 ångström, sdo aia
chromosphere · aia 304å
the sun's corona at 193 ångström, sdo aia
corona · aia 193å

nasa sdo · solar dynamics observatory

∟ conditionslive
composing conditions…
∟ aurora forecastovationnoaa ovation model, next 30–90 minutes

modelled probability of visible aurora over the next 30–90 minutes — it rises with the kp above.

noaa swpc · ovation model · northern hemisphere · still frame

ovation aurora forecast map, northern hemisphere
∟ about
every window is one real instrument:

∟ k index — geomagnetic disturbance
∟ solar wind — plasma read at l1
∟ x-ray flux — goes flare watch
∟ sun · aurora — sdo stills · ovation
sources: noaa swpc · goes · nasa sdo.
refreshed every 15 min; a dead feed
reads 'unreachable', never fake data.