Aurora Compass vs Aurora Map

Aurora Compass is a free aurora and space weather forecast app with no ads or paywalls. With it, you'll get all the data you need to catch the northern or southern lights in a layout that’s simple for beginners, yet detailed for experienced aurora chasers. The main features include: • Aurora alert notifications with cloudiness filter • Near real-time geomagnetic activity from over 110 magnetometers • Aurora forecast map with observation sharing tool • Current and forecasted aurora probability in your location • Solar image animation with x-ray chart and solar regions • WSA-Enlil solar wind forecast animation • Darkness tool to see when it'll be dark • Moon rise, set and phase information • Cloudiness forecast • Solar wind charts • Kp forecasts • Color theme for people with red-green colorblindness

Observing auroras requires not only paying attention to the probability. Cloud cover, light pollution, sun height, moon height can also affect the visibility of auroras. The Aurora Map App fully considers the impact of these factors in the map and forecast part, making it a comprehensive aurora forecast assistant. The aurora map is divided into the following five parts: I、 Map: 1. Use four layers on the map to view the probability of auroras. The four layers are aurora, solar altitude, light pollution, and cloud coverage 2. Move the map to view the probability of auroras appearing above and on the horizon in various places II、 Nowcast 1. X-rays and solar flares 2. Proton flux 3. Solar wind 4. Aurora minute forecast III、 Forecast 1. Hourly Kp index and weather forecast 2. 27 day Kp index outlook IV、 Image 1. Aurora forecast map for North America tonight and tomorrow night 2. Real time image of the sun V、 Setting 【 Pro 】 1. Cloud overlay layer 2. Check the probability of auroras at the horizon of 100-1000km 3. Coronal Mass Ejections 4. 72 hour weather forecast combined with Kp index, daily and monthly forecast 5. widget available Purchase rules: [Monthly Pro]: Purchase monthly membership for $1.99 per month, with automatic monthly renewal. [Annual Pro] Purchase an annual membership for $12.99 and renew automatically each year. [Lifetime Pro] $29.99 Purchase once for lifetime use. Purchase Notice: 1. The account will be automatically renewed and corresponding fees will be deducted one day before expiration. 2. If you need to cancel the renewal, please cancel it in your personal App Store account at least 1 day in advance. 3. After purchase, users can manage or disable automatic renewal in their personal account settings. Terms of Service : https://www.astronomyobserver.net/h5/auroramap/user Privacy Policy: https://www.astronomyobserver.net/h5/auroramap/privacy