The nearest found maser object is G344.839-1.671 (offset by 0.9" from input coordinates)
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display_aladin("257.7235210","-42.4830860","G344.839-1.671","G344.839-1.671","G344.839-1.671, IRAS 17073-4225, OH344.839-01.671, OH344.84-1.67","0")