The nearest found maser object is G23.727+1.235 (offset by 1.1" from input coordinates)
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display_aladin("277.5277750","-7.6143190","G23.727+1.235","G23.727+1.235","18273-0738, 18273-0738, IRAS 18273-0738, OH23.7+1.2, G23.728+1.234-1612A, G23.728+1.234-1612B, IRAS 18273-0738, OH023.727+01.234, OH23.7+1.2, G23.73+1.24","0")