Fabry-Perot Interferometer at Palmer, Antarctica

The Palmer station Fabry-Perot interferometer project is funded by the National Science Foundation Office of Polar Programs. The goal is to study the upper atmosphere and ionosphere over the Antarctica Peninsula. Palmer station is an year-around US Antarctica Research station located on the Anvers Island near the Antarctica Peninsula.

Fabry-Perot Interferometer at Boulder, Colorado

On March 16, 2012, a Fabry-Perot Interferometer (FPI) was installed at the NCAR Marshall field site, just to the south-east of Boulder, to observe thermospheric and mesospheric winds.

MLSO Special Observing Campaigns

HAO encourages special observation requests to maximize scientific discovery for the solar and heliospheric community. Visit MLSO's new Special Observing Campaign page to learn more about past observations and how to apply for instrument time for your own scientific needs.

Special MLSO Observing Campaigns

HAO Solar-Stellar Workshop

Graphic of calcium S index data

Dr. Philip Judge, convened the HAO Solar-Stellar Workshop on March 19-20 at the High Altitude Observatory of NCAR in Boulder.

Mk4-STEREO-LASCO Composites

HAO / MLSO is now providing daily composite images of the solar corona as seen from 3 viewing angles: STEREO B, Earth-Sun, and STEREO-A. The STEREO A/B composites consist of SECCHI images from: EUVI (inner corona seen against the solar disk), the MLSO MK4 K-Coronameter (blue), the COR1 Coronagraph (green) and the COR2 Coronagraph (in red). The SOHO/MK4 composite combines EIT (solar disk), MK4 (blue) and LASCO C2 (red). MK4 images are NOT rotated to match the STEREO viewing angles.

Full Res Mk4 Images & Movies Available

The home page of this MLSO website now features full-resolution GIF images and movies for the Mk4 instrument. Clicking on the thumbnail images for this instrument will now give you higher resolution GIF images of the latest data.

CHIP Full Resolution Movies Online

High resolution movies of CHIP data are now available in the data summary pages.

Funding Approved for New Coronagraph

NCAR/ESSL has approved funding for a new coronagraph to replace the aging Mk4 instrument. Keep track of this exciting development on our New Coronagraph page. The Mk4 is still offline while a new camera is being installed and tested. Thank you for your patience.

PICS Narrow-band Limb Images

The PICS instrument is now serving images of the limb taken with a narrow-band H-alpha filter. The new data replaces the broad-band images in the MLSO data portal, and its first date of appearance was May 5th, 2009. The animation to the left shows narrow-band limb images of prominence activity occurring at approximately 21:08 UT on May 8th, 2009.


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