U.S.Firefighters Tackle Bobcat Fire Moving Near Mt. Wilson Observatory September 21, 2020 FacebookTwitterReddItWhatsAppLinkedinTelegramViberPinterestTumblrEmailMixVKDiggLINEPrint The Bobcat Fire has grown to more than 100,000 acres and remains at 15% containment. Fire officials said it doesn’t appear that the Mt. Wilson Observatory is in immediate danger but they’re monitoring. Hermela Aregawi reports.