The nearest found maser object is G0.6577-0.0420 (offset by 15.9" from input coordinates)
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display_aladin("266.8342720","-28.3961860","G0.6577-0.0420","G0.6577-0.0420",", 000.657-0.041, 0.657-0.041, G0.6570-0.0414, 0.657-0.041, G0.657-0.042, Sgr B2, Sgr B2 S, Sgr B2-S, SGR B2S","0")