Partial eclipse of the sun as seen from Mt. Wilson

Eliza Monsalvez, 8, of Los Angeles views the Oct. 23 partial eclipse of the sun from Mt. Wilson.  (Brian van der Brug / Los Angeles Times)

Wearing solar glasses, Eliza Monsalvez, 8, of Los Angeles views the partial eclipse from Mt. Wilson on Oct. 23.   (Brian van der Brug / Los Angeles Times)

Visitors to the Mt. Wilson Observatory view a partial eclipse of the sun on Oct. 23.   (Brian van der Brug / Los Angeles Times)

Visitors to the Mt. Wilson Observatory view a partial eclipse of the sun through various telescopes on Oct. 23.   (Brian van der Brug / Los Angeles Times)

Mt. Wilson Observatory telescope technician Steve Padilla takes a closer look at sunspots as he views a projection of a partial eclipse of the sun through the observatory’s solar telescope on Oct. 23.   (Brian van der Brug / Los Angeles Times)