are there any museums in the city?
Yes, the San Francisco Museum of Modern Art.
San Francisco
The San Francisco Museum of Modern Art (SFMOMA) houses 20th century and contemporary works of art. It moved to its current building in the South of Market neighborhood in 1995 and attracted more than 600,000 visitors annually. 
who designates the stars? Astronomers who are they? They are scientists in the field of astronomy who focus their studies on a specific question or field outside the scope of Earth. which ancient civilizations studied the above mentioned field? UNANSWERABLE what is the role of the amateurs in it? The Astronomical Society of the Pacific is one of such clubs that meet on a regular basis and often host star parties. does the society have any publications? Yes, The Universe in the Classroom, and Mercury etc. where was the society established? San Francisco
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San Francisco [SEP] Museums
The San Francisco Museum of Modern Art (SFMOMA) houses 20th century and contemporary works of art. It moved to its current building in the South of Market neighborhood in 1995 and attracted more than 600,000 visitors annually. SFMOMA closed for renovation and expansion in 2013. The museum reopened on May 14, 2016 with an addition, designed by Snøhetta, that has doubled the museum's size. The Palace of the Legion of Honor holds primarily European antiquities and works of art at its Lincoln Park building modeled after its Parisian namesake. The de Young Museum in Golden Gate Park features American decorative pieces and anthropological holdings from Africa, Oceania and the Americas, while Asian art is housed in the Asian Art Museum.