Welcome to Boulder Solar Alliance (BSA)

Boulder is fortunate to have one of the greatest concentrations of solar physics institutes in the world. To encourage communication among researchers from these institutes, we have formed the BSA with representation from:

Mark Rast

Mark Rast has been an HAO affiliate scientist since 2006. He was an ASP postdoc from 1993 to 1995, and an HAO scientist from 1998 to 2005.

End of an era: The Mauna Loa K-coronometer is decommissioned

Mk3 Installed at MLSO

The Mauna Loa Solar Observatory (MLSO) K-coronameter (Mk4), was decommissioned on August 2, 2013, to be replaced by the new COSMO K-coronagraph.

Sunrise II Pre-launch Update

Sunrise II Gondola Photograph

On June 8, 2009 the Sunrise balloon-borne telescope was successfully launched from the Esrange Space Center in Kiruna, Sweden aboard the HAO-developed gondola.

Synoptic Network Workshop Overview

Synoptic Workshop

The High Altitude Observatory recently partnered with the National Solar Observatory to hold a 3-day workshop to discuss and gather community input on science requirements, capabilities and instrumentation for a next-generation synoptic network of solar observing instruments.

A New Coronagraph for Mauna Loa

NCAR's High Altitude Observatory (HAO) will be installing a new white light coronagraph at the Mauna Loa Solar Observatory (MLSO) in Hawaii in August of this year (2013).

The Eclipse Megamovie Project

Eclipse team in Palm Cove, Queensland

A team, of HAO scientists and other collaborators that included Joan Burkepile, Scott McIntosh, Paul Cally, and Lucia Kleint, met in Palm Cove, Queensland to witness the first total solar eclipse over Australia since 4 December 2002.


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