The nearest found maser object is G28.128-0.638 (offset by 2.2" from input coordinates)
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display_aladin("281.2346695","-4.5660855","G28.128-0.638","G28.128-0.638","18422-0437, G28.128-0.639-1612, G28.128-0.639-1612A, OH028.128-00.638","0")