The nearest found maser object is G77.404-1.213 (offset by 6.9" from input coordinates)
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display_aladin("308.2246540","37.8578470","G77.404-1.213","G77.404-1.213","20310+3741, 2032541+375128, G077.4052-01.2136, IRAS 20310+3741, BGPS 6559, G77.41-1.21, IRAS 20310+3741","0")