Arp 68 (NGC 7756 & 57)
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Arp 68 is another in
the class Spirals with Small HSB Companions on Arms. The notes mention "many star-like knots
lined up along straight arm". It is a beautiful galaxy and it took
three tries to get an image which did it justice. NGC 7757 is the primary; NGC 7756 is the small galaxy
northwest of the core, hanging down from the north arm. I thought that I had a meteor trail running from southwest to northeast, just missing the galaxy to the southeast. However, after seeing that it was in images taken several years apart, I realized it was a diffraction spike (or reflection) from 5th magnitude 19 Psc, not quite a degree to the SW.
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| 10-inch Newtonian, StarlightXpress MX716, 37 minutes | |
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