The nearest found maser object is G331.425+0.264 (offset by 1.7" from input coordinates)
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display_aladin("242.5390000","-51.2679360","G331.425+0.264","G331.425+0.264","331.42+0.26, 331.425+0.264, G331.425+0.264, 331.425-0.264, G331.418+0.252","0")