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SES-14 communications satellite
January 30, 2018

The NASA Global-scale Observations of the Limb and Disk (GOLD) mission was launched into orbit on January 25, 2018 as a commercially hosted payload on the SES-14 communications satellite. The satellite was launched on an Ariane 5 rocket from the Guiana Space Centre in Kourou, French Guiana. There were anxious moments following lift-off when mission control lost contact with the satellite.

January 23, 2018

The McIntosh Archive project gets double notice: it's the subject of a recent highlight by EOS spotlight, which profiles a feature article for the journal Space Weather by Webb et al. and again it is presented in graphic form, by HAO's Don Kolinski, appearing on the cover of Space Weather—the McIntosh Archive "snake" stackplot of Solar Cycle 23.

Publication Highlights

 WACCM-X simulations image
February 14, 2018

H.Liu et al...A comprehensive numerical model, the Whole Atmosphere Community Climate Model with thermosphere and ionosphere extension (WACCM-X), has been improved, in order to simulate the entire atmosphere and ionosphere, from the Earth’s surface to ~700 km altitude.

Temperature differences between the eclipse and baseline simulations
February 7, 2018

Joseph McInerney and others, use a computer model called the Whole Atmosphere Community Climate Model - eXtended (WACCM-X v. 2.0) to investigate what happens to the atmosphere from the surface of Earth up to space during the “Great American Eclipse” of 21 August 2017.

Comparisons of hmF2
February 7, 2018

The Whole Atmosphere Community Climate Model with thermosphere and ionosphere extension (WACCM-X) is a numerical model of the

MLSO Latest Images

CoMP Coronal Intensity

The COronal Multi-channel Polarimeter (CoMP) observes the Fe-XIII emission line at 1074.7 nm to measure the coronal magnetic field and obtain plasma density and motion in the low corona from ~1.03 to 1.5 solar radii.


K-Cor White Light Corona

Designed to study the formation and dynamics of coronal mass ejections and the evolution of the density structure of the low corona, K-Cor records the polarization brightness (pB).


K-Cor (radially graded filter)

K-Cor image with a normalized radially graded filter (nrgf) to maximize image contrast, especially in the outer field.

These data are ideal for measuring positions of coronal structures such as CMEs and helmet streamers.

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