SolarHam.com launched on March 15, 2006 with the purpose of providing real time Space Weather news and data from various sources, all in one location for easy navigation.
To calculate the R12 index for July 2020, add half of the January 2020 value plus the sum of the February through December 2020 values plus half of the January 2021 value and then by dividing that sum by twelve.
Observatoř NASA Solar Dynamics Observatory zveřejnila fotografii, na níž je vidět, jak se ve sluneční atmosféře tvoří mohutná koronální díra, která vyvrhuje proud rychle... Článek Koronální díra „30x větší než Země“ vrhá sluneční plazmu…
SolarHam.com is a website all about the Sun and how it affects Earth. It is also an Amateur (Ham) Radio website. All of your solar and aurora needs in one pl...
Experience the cosmos with this planetarium-like platform. Explore interactive sky maps, detailed constellation and deep-sky object descriptions, plan your observations, and record them in an observation log—perfect for all levels of visual…