● The live edition
The book ended in 2019.
The tools didn't.
More than a dozen interactive tools and live space-weather, layered onto the original book — gathered here by what you'd reach for them for.
14 tools● live dataEN · TR
What changed since 2019
Every addition and correction since the book — the storms, the new science, the gear — newest first, each linking to where it lives.
+ 67 additions× 9 corrections
July 2026+The Kp archive · every month since 1932 as its own page — a calendar heatmap, storm nights and G-scale highlights (GFZ definitive record)The Kp Archive →July 2026+Tonight's colours · the aurora palette by Kp — which colour, and whyForecast →July 2026+One timeline, two ranges · 48 hours ↔ 28 days in a single stripForecast →July 2026+Substorm nowcast · the sky's 'it's breaking now' moment — the alert engine's missing halfForecast →July 2026+Eye vs. camera · what the sky actually looks like, side by sideForecast →July 2026+Ground truth · the model's claim beside what people actually reportedForecast →July 2026+Tonight's question · the book answering the sky that is actually outsideForecast →July 2026+'As of' on every live number · how old each reading is, per productThe live edition →July 2026+Aurora Paintbox · a sky-painting game for kidsPlay · Kids →July 2026+Live cover scenes · hover a Live Edition card and the cover repaints with that tool's preview — tonight's real dataCover →July 2026+Live Sightings · where the aurora is being seen right now — community photos from the last 24 hours, by time and placeLive Sightings →July 2026+Storm watch · a bulletin + corner dial on the cover whenever NOAA forecasts a G-class storm within 48 hoursCover →July 2026+90 spots in the Night Planner · the book's 21 up front, the rest of the world by region — southern hemisphere includedNight Planner →July 2026+90 spots on the Atlas · the book's 21 + 70 forecast watch-points worldwide, with a North/South hemisphere switch and a forecast layerLocation Atlas →July 2026+A map for every spot · where it sits on the aurora oval (replacing the stand-in photo) + a live-forecast linkLocation Atlas →June 2026+Live tonight line on the cover · Kp + status, pink in a stormThe live edition →June 2026+Share tonight · a shareable card that previews the live verdictForecast →June 2026+'You are here' marker on the world mapForecast →June 2026+Aurora by location · 70 spots, both hemispheres · geomagnetic threshold + cloud/moon/darkness verdictForecast →June 2026+Live OVATION oval · both poles, from NOAA dataForecast →June 2026+World map · tonight's status for all 70 spots, click to jumpForecast →June 2026+Camera Cheat Sheet · a printable settings card (PDF)Ch. 04 · How to photograph →June 2026+Aurora Chase Checklist · printable (PDF)Night Planner →June 2026+Solar-wind dashboard · live speed, density, BzForecast →June 2026+Tonight, where you are · a verdict for your spotNight Planner →June 2026+Darkness & Moon Calendar · the best weeksNight Planner →June 2026+Exposure Calculator · suggested camera settingsCh. 04 · How to photograph →June 2026+Aurora Simulator · the curtain by Kp and BzScience diagrams →June 2026+Expeditions · 11 journeys, year by yearThe live edition →June 2026+Behind the wheel · the driving recordCh. 05 · Transport →June 2026+Hunt mode · the red-light field screenThe live edition →June 2026+Drive now · nearest spots ranked tonightNight Planner →June 2026+27-day Kp outlook + live camerasForecast →June 2026+Aurora quiz · ten questionsScience diagrams →June 2026+Command-palette search (⌘K)The live edition →June 2026+Settings decoded · in photo detailGallery →2026+Per-night planning · live toolsCh. 02 · The ideal time →Dec 2019○Original · the book edition.