The nearest found maser object is G20.750-0.091 (offset by 13.9" from input coordinates)
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display_aladin("277.3189415","-10.8705720","G20.750-0.091","G20.750-0.091","182627.4-105449, G020.7438-00.0952, G020.7491-00.0898, BGPS2720","0")