The nearest found maser object is G55.507+3.080 (offset by 1.7" from input coordinates)
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display_aladin("290.7010270","21.4485810","G55.507+3.080","G55.507+3.080","19206+2121, 19206+2121, IRAS 19206+2121, IRAS19206+2121","0")