The nearest found maser object is G20.011-0.562 (offset by 1.8" from input coordinates)
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display_aladin("277.3961025","-11.7399940","G20.011-0.562","G20.011-0.562","18267-1146, G20.011-0.563-1612A, G20.011-0.563-1612B, OH020.011-00.562","0")