White Light Corona
(700-950 nm)
Hydrogen Alpha Disk
(656.3 nm)
Helium I Line
(1083 nm)
Calcium II K Line
(393 nm)

CURRENT IMAGES OF THE SUN

The images above represent data from the instruments at the Mauna Loa Solar Observatory.

HAO News

Earth's upper atmosphere cooled due to low levels of solar activity during 2008-2009. See LiveScience, MSNBC, Space, or NASA.

Sunspots don't tell the whole story: A team of HAO scientists
(Sarah Gibson, Giuliana de Toma, Barbara Emery) > more...

Sunspots Revealed by Supercomputers: See NSF 2009 Newletter and UCAR Magazine.

SUNRISE launches on its first attempt: Greg Card, an instrument engineer with NCAR’s HAO...

Short Takes (Monthly Staff Notes): See "Alfvén waves observed" and "WACCM reaches higher."

Staff Highlights

Philip Judge, Physicist and Mixed Metaphoricist, January 28, 2010:
Last year, HAO scientist Phil Judge undertook the role of NCAR's Science Advisor and survived to tell the tale.
> more...

HAO Events

2010 Boulder Solar Day
Friday, March 5, 2010
Center Green 1
Boulder, Colorado

BSA Logo
TREND 2010
June 15-18, 2010
Center Green 1
Boulder, Colorado
TREND 2010 Logo
Ray Roble Symposium
Friday, June 18, 2010
Center Green 1
Boulder, Colorado
Roble Logo