And yet another pretty picture of Westerlund 2.
This one was downloaded from the Aladin online sky atlas
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This is an image from the ESO Sky survey, in the red.
It was digitized with MAMA.
Using the full Aladin applet or the standalone Aladin application, enables coordinates to be easily superposed on this image;
and yes, Dana is absolutely right......... the dense region of multiple very faint stars is only two arcminutes across.