The nearest found maser object is G34.646-0.855 (offset by 2.8" from input coordinates)
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display_aladin("284.4030560","1.1352863","G34.646-0.855","G34.646-0.855","18550+0104, G34.647-0.856-1612A, G34.647-0.856-1612B","0")