The nearest found maser object is G77.462+1.760 (offset by 3.3" from input coordinates)
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display_aladin("305.1642740","39.6310880","G77.462+1.760","G77.462+1.760","20 18+39 28, 20188+3928, G077.4622+01.7600, IRAS 20188+3928, 20188+3928, G77.46+1.76, 20188+3928, G77.47+1.77, G77.462+1.759, IRAS 20188+3928","0")