Mauna Loa Solar Observatory
The Mauna Loa Solar Observatory (MLSO) operates daily, weather permitting. Data collected by instruments at the site are:
- Ha disk and limb images, collected with the digital prominence monitor.
- Coronal images in white light polarization brightness, collected with the Mark 3 K-coronameter.
- Solar oscillation data collected with the Low Degree instrument.
- Helium I images, collected with the Chromospheric Helium I Imaging Photometer