See also please the thread by Mr RickJ, you know, in the astrphotography section...about Arps....He has very kindly posted a beautiful composition of his, Arp 227...here:
Arp 227 a shell galaxy

It is exquisite. And his great explanation and background info. Thank you Mr J.

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clear skies

If you want to make an apple pie from scratch, you must first create the universe. CARL SAGAN

Mak: Pass the pepperoni please.
Fazor: "Hail, Bautainia! We pledge our hearts to thee! Science and woo, some babbling too, and astron-oh-meee!"
slang: And it made ash out of yew and tree.