AAVSO Alert Notice 506Drs. Matthew W. Muterspaugh and Gregory W. Henry (Tennessee State University) have requested AAVSO observers’ assistance in monitoring the possible Algol-like binary star alpha Com before, during, and after the eclipse they have predicted for mid-to-late January 2015.
The PIs will be using the Fairborn Observatory automated photometric … Read the rest of this article
Dr. Michael David Hicks (Jet Propulsion Laboratory) contacted the AAVSO requesting precision photometry of three solar system objects in support of NASA’s DAWN mission to Vesta. These objects, called “Vestoids”, are near-Earth objects with similar reflectance spectra to Vesta itself, suggesting they may be fragments of … Read the rest of this article
The Sun Now (Visible light)
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The Sun Now (H-Alpha light)
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Aurora Oval
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Aurora Oval
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