Ngc3621

[Geoff45]

Note Added: I think I need to do some more work on this. Taking down the link for the moment

[Placidus]

Hi Geoff,

Sharp as a pin.

The ESO La Silla wide field shot seems to show that the outer spiral arms really are very faint and tenuous. They show individual blue clusters, but not much in the way of a continuous structure. Perhaps you've photographed what is actually there.

Best,
Mike