Corona

About the Mauna Loa Solar Observatory

The Mauna Loa Solar Observatory (MLSO) occupies part of the NOAA Mauna Loa research site located on the flank of Mauna Loa at an elevation of 3440 meters on the island of Hawaii. It is operated by the High Altitude Observatory, a division of the National Center for Atmospheric Research, which is located in Boulder, Colorado.

A Rare Transit of Venus

Graphic image of individual frames from the movie showing Venus' transit

A coronagraph instrument at the Mauna Loa Solar Observatory on Hawai’i is used by a team of two scientists to record the rare transit of Venus across the Sun's corona.

Boon Chye Low

Dr. Boon Chye Low joined HAO in 1981 and retired as Senior Scientist in 2014. His research centered on the corona & solar wind and their coupling to the solar lower-atmosphere and interior.

A new facility for airborne solar astronomy: NASA’s WB-57 at the 2017 total solar eclipse

Fully processed image of the corona generated by stacking many co-aligned, calibrated images
Tuesday, April 14, 2020

NASA's WB-57 High Altitude Research Program provides a deployable, mobile, stratospheric platform for scientic research.

Mk I K-Coronameter Instrument

Mission Lifetime: 1956 to 1978

The Sun: A Pictorial Introduction

The slides in this collection were written By P. Charbonneau and O.R. White–April 18, 1995.

Rosa Wallace receives the 2017 Chambliss Medal

Rosa Wallace

Rosa Wallace received the 2017 Chambliss Astronomy Achievement Student Award, which recognizes exemplary research by undergraduate and graduate students who present posters at meetings of the American Astronomical Society (AAS).

Catalogue of MLSO/MK4 White Light Cavities

Determining the state of the corona prior to coronal mass ejections (CMEs) is crucial to understanding and ultimately predicting solar eruptions. A common and compelling feature of CMEs is their three-part morphology as seen in white light observations of a bright expanding loop, followed by a relatively dark cavity, and lastly a bright core associated with an erupting prominence/filament.

Here is a catalogue providing detailed analysis of 98 white light cavities observed by MLSO's Mk4 coronameter:

Giuliana de Toma

Giuliana de Toma is a Project Scientist in the High Altitude Observatory of NCAR specializing in solar cycle variability and its influence on the corona and heliosphere.

Steve Tomczyk

Dr. Steven Tomczyk is a Senior Scientist in the High Altitude Observatory at the National Center for Atmospheric Research. He has spent his career developing instrumentation for the remote sensing of magnetic and velocity fields on the Sun. 

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