The nearest found maser object is G57.548-0.274 (offset by 6.0" from input coordinates)
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display_aladin("294.9150420","21.6244330","G57.548-0.274","G57.548-0.274","193729.8+213006, 19375+2130, G057.5474-00.2717, G057.5474-00.2717A, 19375+2130, G057.5474-00.2717A","0")