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Keeping track of aurora forecasts, notifications, and community reports.

Did you see the Northern Lights (Aurora Borealis) visibility from last week if you were on that area? If you missed it and want to know more then there are some places where you can get reliable information: 1. Aurora Forecast Websites: Websites like the Space Weather Prediction Center (SWPC), Aurora Service, and the University of Alaska Fairbanks Geophysical Institute provide forecasts and updates on Aurora Borealis activity and visibility in different regions. 2. Mobile Apps: There are several mobile apps available for both iOS and Android devices that offer real-time updates, notifications, and forecasts for the Northern Lights. Examples include My Aurora Forecast & Alerts, Aurora Alerts, and Aurora Watch. 3. Social Media: Platforms like Twitter, Instagram, and Facebook have dedicated Aurora Borealis enthusiast groups, pages, and accounts that share updates, photos, and sightings. Following these accounts can keep you informed about recent Northern Lights activity. 4. Astronomy
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Evidence of new magnetic transitions in late-type dwarfs from Gaia DR2

Since the second Gaia data release on the 25th April 2018, astrophysicists have had at their disposal an unprecedented wealth of information not only on distances and motions of stars in the galaxy, but also on many other stellar parameters that came along by exploiting the instrumentation aboard the satellite and the unique characteristics of the mission. Multiple observations of the same star, required to derive its distance and motion, also produced parameters related to stellar variability. Data for stars with spots on the surface similar to those on our Sun, in particular, provide information on their rotation period and on their surface magnetic fields. Stellar spots generated by magnetic fields at the surface modulate the stellar brightness as it rotates, making it possible to derive the star's rotation period and to provide an indication of its magnetic activity. The large number of stars observed made it possible to produce, with just the first 22 months of Gaia observations, the largest dataset on rotation to date, with rotation period and modulation amplitude of some 150,000 solar-like stars.

from Astronomy News - Space News, Exploration News, Earth Science News, Earth Science http://bit.ly/2K82PxH
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