If what you saw was in the general direction of the SMC I'd go for 47 Tuc as Malcolm suggests or NGC 362. The SMC itself is quite extended (5 x 3.5 degrees) and looks like a light cloud to the naked eye. In your scope it would spill well beyond the filed of view even of your viewfinder.
If it was lower in the sky and you were near the Large Magellanic Cloud it could be the Tarantula nebula NGC 2070.
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