Active Region #1476 erupted violently late yesterday, unleashing an M5-class solar flare. The massive flare was very energetic, but did not produce any significant coronal mass ejection, or CME. If…

Active Region 1476 With Solar Cycle #24 in full swing, one of the largest sunspots observed in decades has rotated around to the Earth-facing side of the Sun – increasing…

Have just completed the Arduino project “Twitter Feed Reader” from Rob Faludi‘s book, “Building Wireless Sensor Networks”. The project uses a Digi Connectport internet gateway and an Xbee radio to…

Venus and Jupiter put on a nice show tonight, at the height of the planetary conjunction. Although they are over 450 miles apart, they are visually much closer as they…