The nearest found maser object is G77.963-0.006 (offset by 0.7" from input coordinates)
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display_aladin("307.4016670","39.0213890","G77.963-0.006","G77.963-0.006","202747.4+385158, 20277+3851, G077.9637-00.0075, G77.97-0.01, IRAS 20277+3851, IRAS20277+3851, 20277+3851, BGPS 6584, IRAS20277+3851","0")