The nearest found maser object is G21.815-0.167 (offset by 1.8" from input coordinates)
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display_aladin("277.8892220","-9.9582138","G21.815-0.167","G21.815-0.167","G21.815-0.167-1612A, G21.815-0.167-1612B, G21.815-0.167-1612C","0")