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David Schaefer, from Pasadena, uses his iPad to help him lineup and find the comet. The comet Pan-STARRS will be visible through the end of March. Photo by Gene Blevins/LA Daily News ( DN14-PANSTARR-MOON )

March 12,2013. Los Angeles CA. The comet Pan-STARRS as seen on the western coast of Southern California with the waxing crescent moon Tuesday evening. The comet will be visible through the end of March. Photo by Gene Blevins/LA Daily News ( DN14-PANSTARR-MOON )

David Schaefer, from Pasadena, uses his iPad to help him lineup and find the comet Pan-STARRS. The comet will be visible through the end of March. Photo by Gene Blevins/LA Daily News ( DN14-PANSTARR-MOON )

March 12,2013. Los Angeles CA. The comet Pan-STARRS as seen on the western coast of Southern California with the waxing crescent moon Tuesday evening. The comet will be visible through the end of March. Photo by Gene Blevins/LA Daily News ( DN14-PANSTARR-MOON )

David Beraru, from Woodland Hills, lines up his camera to photograph the comet Pan-STARRS. The comet will be visible through the end of March. Photo by Gene Blevins/LA Daily News ( DN14-PANSTARR-MOON )

March 12,2013. Los Angeles CA. The comet Pan-STARRS as seen on the western coast of Southern California with the waxing crescent moon Tuesday evening. The comet will be visible through the end of March. Photo by Gene Blevins/LA Daily News ( DN14-PANSTARR-MOON )

People gather to view the comet Pan-STARRS from the Griffith Park Observatory. Photo by Gene Blevins/LA Daily News ( DN14-PANSTARRS-COMET-MOON )

March 12,2013. Los Angeles CA. The comet Pan-STARRS as seen on the western coast of Southern California with the waxing crescent moon Tuesday evening. The comet will be visible through the end of March. Photo by Gene Blevins/LA Daily News ( DN14-PANSTARRS-COMET-MOON )