
Mount Wilson Observatory 46 m solar tower
The Mount Wilson Observatory (MWO) is an astronomical observatory in Los Angeles County, California. The MWO is located on Mount Wilson, a 1,742 m peak in the San Gabriel Mountains near Pasadena, northeast of Los Angeles.
Magnetogram Fe
Magnetograph Na
Dopplergram
The Observatory has three solar telescopes, two of which are currently used for astronomical studies and for their specific structure is also known as solar towers.
18-meter telescope tower was completed in 1908, and 46-meter telescope tower in 1912. Snow solar telescope, built in 1904 is used for educational demonstrations. Telescopes are applied in the study of helioseismology and other changes in the solar nature.
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Source:
Mount Wilson Observatory
and 150-Foot Solar Tower page @ UCLA.