The nearest found maser object is G21.487+0.528 (offset by 1.5" from input coordinates)
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display_aladin("277.1104820","-9.9269150","G21.487+0.528","G21.487+0.528","18256-0957, G21.486+0.525-1612A, G21.486+0.525-1612B","0")