The nearest found maser object is G20.279-1.523 (offset by 2.6" from input coordinates)
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display_aladin("278.3925240","-11.9458330","G20.279-1.523","G20.279-1.523","02028-0152, 18307-1159, OH020.280-01.522, OH20.3-1.5","0")