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ASTRO: Arp 288/ NGC 5221/5222/5230
We had an almost unreal interval of good weather last new moon, don't
remember if it were six or seven clear nights with only one cloudy night in between. Unfortunately I was too lazy to join some astro chaps from Berlin on a trip to better skies, but at least I got a lot of exposure time from Berlin. Transparency was mostly good, but it was quite windy at times. My (rather) new AZ-EQ6 mount coped quite well with this. The AZ-EQ won't replace the G11 as the G11 (tuned with an Ovision worm) still tracks better, but the AZ-EQ6 is much easier to handle and much more fun, my G11 doesn't even have Goto. My main target was Arp 288 (NGC 5221/5222) with the added bonus of NGC 5230. All three are about 300 million light years away according to Guide9, so they seem to belong to a physical group of galaxies. As the tidal tail of NGC 5221 is very faint in my image I have also included an inverted version. Taken from Berlin with a 10" Meade ACF at f/8, AZ-EQ6 mount, Trius SX694 camera, 41x7.5min Lum, 19x7.5min RGB each. Stefan |
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