Quote:
Originally Posted by strongmanmike
I know it is classified as an intermediate spiral but looking at images I have always thought that NGC 253 could be NGC 1365 but seen at a steep angle and showing just the HII regions seems to reinforce this impression..? 
Mike
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+1^ what Mike said - was thinking that too as soon as I saw your marvellous image.

Fascinating to reveal the Ha in these galaxies, I recall you once did the same thing with NGC 300? Certainly shows them off in a new light (boom-tisch!)
Well done getting back on the horse - we've all missed your input here