The nearest found maser object is G340.970-1.022 (offset by 2.9" from input coordinates)
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display_aladin("253.7387500","-45.1515250","G340.970-1.022","G340.970-1.022","340.970-1.022, 340.970-1.022, G340.97-1.03, G340.97-1.02","0")