Guides

Aurora & Northern Lights guides

Everything we've learned watching this sky for a living, the science, the timing, and the craft, written plainly, with no filler.

The science

What Is the Kp Index? A Plain-English Guide to Aurora Forecasting

The Kp index explained simply: what it measures, how it predicts the Northern Lights, and why your magnetic latitude matters more than Kp alone.

6 min read →
When to go

The Best Time to See the Northern Lights: Season, Month, and Hour

When to see the Aurora Borealis: the best months, the best hours of the night, why the equinoxes win, and how the moon and darkness shape your odds.

7 min read →
Read the forecast

Will I See the Northern Lights Tonight? How to Read the Forecast

How to know if you will see the Aurora tonight: the five factors that decide it, how to read a forecast, and the mistakes that cost people the night.

6 min read →
For the serious

Bz Explained: The Aurora Signal Most Forecasts Ignore

Bz is the solar wind's magnetic direction and the earliest real-time Aurora signal. What southward Bz means, why it beats Kp for timing, and how to use it.

5 min read →
Read the forecast

How to Read an Aurora Map: The Oval, Kp, and Your Real Odds

Aurora maps show the auroral oval, not a fixed line. How it moves with Kp, why magnetic latitude beats map latitude, and how to read it for your spot.

6 min read →
Photography

How to Photograph the Northern Lights: Settings and Technique

A practical guide to Aurora photography: camera settings (ISO, aperture, shutter), gear, focus, and composition tips for shooting the Northern Lights.

7 min read →
The science

Why Is the Aurora Green? A Guide to Aurora Colors

Why the Aurora is usually green, when it turns red or purple, and why your camera captures colors your eyes cannot. Explained simply.

6 min read →
The science

The NOAA G-Scale Explained: G1 to G5 Geomagnetic Storms

What the NOAA G-scale means, how G1–G5 storms map to Kp, what each level does to satellites and power grids, and what it means for your Aurora odds.

6 min read →
Basics

Aurora vs. Northern Lights: What's the Difference?

Aurora, Aurora Borealis, Northern Lights: are they the same thing? Where the terms come from, and how the southern lights and Aurora Australis fit in.

5 min read →
Basics

Aurora Borealis vs. Aurora Australis: Northern Lights vs. Southern Lights

Aurora Borealis vs Aurora Australis: the same physics, opposite hemispheres. What is actually different, and where and when to see each.

7 min read →
The science

The Equinox Effect: Why Aurora Peaks in March and September

Geomagnetic activity runs 35% higher near the equinoxes. We measured 94 years of the official index: it held in 88. Why the cause is unsettled.

7 min read →
The science

The Solar Cycle: What 11 Years of Sunspots Means for Aurora Chasers

The 11-year solar cycle explained: sunspots, solar maximum vs minimum, where Solar Cycle 25 stands now, and what it means for your Aurora odds this season.

7 min read →
Getting started

Your First Aurora Hunt: A Complete Beginner's Guide

Heading out to see the Aurora for the first time? What to expect, what to wear, how to read the forecast, and the mistakes every beginner makes.

8 min read →
Choosing a forecast

How to Choose an Aurora Forecast App

What separates a good Aurora forecast from a bad one: magnetic-latitude calibration, cloud, darkness, moon and Bz, and honest odds over hype.

7 min read →