The nearest found maser object is G100.811+1.517 (offset by 1.0" from input coordinates)
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display_aladin("329.5054170","56.7471110","G100.811+1.517","G100.811+1.517","21563+5630, IRAS21563+5630, IRAS21563+5630 npl, IRAS 21563+5630","0")