The nearest found maser object is G20.274-0.050 (offset by 1.4" from input coordinates)
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display_aladin("277.0578240","-11.2692420","G20.274-0.050","G20.274-0.050","18254-1118, IRAS18254-1118 npl, *OH 20.3-0.1, G20.274-0.051-1612A, G20.274-0.051-1612B, OH020.274-00.050, OH20.2-0.1, OH 20.2-0.1, V434 Sct","0")