The nearest found maser object is G81.180+1.572 (offset by 1.7" from input coordinates)
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display_aladin("308.2291670","42.5489160","G81.180+1.572","G81.180+1.572","20311+4222, IRAS 20311+4222, IRAS 20311+4222, J20325512+4232585","0")