MLSO Honors the Sun at AstroDay West

Radio dish

On October 6th, the MLSO staff participated in AstroDay 2018, an educational outreach event coordinated by the Mauna Kea Observatories. 3,000 people attended. This was the second occurrence of this event, located in Kailua-Kona, on the west side of Hawaii Island.

Characterization of Cameras for the COSMO K-Coronagraph

Digital image sensors
Thursday, October 11, 2018

Digital image sensors are ubiquitous in astronomical instrumentation and it is well known that they suffer from issues that must be corrected for data to be scientifically useful.


Sun-like activity cycle of HD 81809 binary system in calcium HK emission
Wednesday, October 10, 2018

HD 81809 has one of the highest-quality activity cycles from the sample of stars synoptically observed in the Mount Wilson Observatory HK Project.

A Numerical Investigation on the Thermospheric Sodium Layer

Time and altitude distribution
Tuesday, October 2, 2018

The extension of the neutral atomic Na layer into thermosphere (up to 170 km) was observed in low and high latitudes.

Retrieving Global Wilson Currents from Electrified Clouds using Satellite Passive Microwave Observations

Global total TRMM current
Wednesday, October 3, 2018

Peterson et al. (2015) developed an algorithm for estimating the electric field vector at any point above an electrified cloud from passive microwave observations. 

Kevin Pham

Dr. Kevin Pham is a Postdoctoral Fellow in the High Altitude Observatory of the National Center for Atmospheric Research specializing in the magnetosphere and radiation belt precipitation.

Jing Liu

Jing Liu is a project scientist in the High Altitude Observatory at NCAR.

Outreach and Observing at Mauna Loa in Hawaii

Lisa Waters demonstrating magnetic fields and effects on the sun

Educational outreach is an important and rewarding part of an observer’s job at the Mauna Loa Solar Observatory (MLSO) site located on the flanks of Mauna Loa Mountain at an elevation of 3440 meters in the U.S. state of Hawai’i.


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