The nearest found maser object is G23.570+1.584 (offset by 0.9" from input coordinates)
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display_aladin("277.1422750","-7.5920110","G23.570+1.584","G23.570+1.584","18258-0737, 18258-0737, IRAS 18258-0737, G23.57+1.58","0")