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David, 104 is not only is it getting low, but it's not the easiest
galaxy to find for a newbie, unless he already knows about the 'stargate'and 4 star arrow asterisms that points toward the galaxy in Corvus. I would suggest and easier "DSO" for a newbie to find...say, globular cluster M-4 just one degree west of Antares. OR a brighter one, M-80, about halfway between Antares and Beta Scorpii. FWIW, Tom W. David Nakamoto wrote: Should add that, before it gets too low to the horizon (haven't checked its position lately) try M104; I saw it from suburban skies in the 60s through a 60mm refractor. A 5 inch should star showing some sign of the shape of the thing, although the dust lane might require an 8-inch or larger, and/or darker skies. |
#3
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.so you search and search...sometimes
you hit it lucky...sometimes you don't....those have to be, by far, the *toughest* of the Messier objects to locate just by eyeball (telrad) 'sighting'. I hate them. But love to see them, especially 82 at ultra high powers. Yeah, M82 is a favorite of mine too. Plus you probably need 6.5 mag skies to see the stupid triangle. If anyone has any easy way of sighting in on this duo, I would certainly appreciate any help in this regard. For whatever it's worth: I most often use an 8x50 finder starting from 23 Ursa Major. Traveling about 4.5 degrees past 23 UM on a line from 29 UM there is a 3 star group. When I find that, I move 4.5 degrees parallel to a line between 23 UM (and towards) Dubhe and that puts me pretty close. With a Telrad I think one just sort of points it and knows where it is.... This is what works for me and I can most often find them under the 3.5 skies that are about the best I have at home. In my experience Telrads work nicely in dark skies but magnifying finders are a necessity when when light pollution is a problem. I find having both is the best for me. jon isaacs |
#4
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Jon,
I have both also....Meade 9 x 60 visual finder...but have a real hard time seeing 81, 82 at age 61 up thru that finder, unless in real dark skies. Tom W. Jon Isaacs wrote: .so you search and search...sometimes you hit it lucky...sometimes you don't....those have to be, by far, the *toughest* of the Messier objects to locate just by eyeball (telrad) 'sighting'. I hate them. But love to see them, especially 82 at ultra high powers. Yeah, M82 is a favorite of mine too. Plus you probably need 6.5 mag skies to see the stupid triangle. If anyone has any easy way of sighting in on this duo, I would certainly appreciate any help in this regard. For whatever it's worth: I most often use an 8x50 finder starting from 23 Ursa Major. Traveling about 4.5 degrees past 23 UM on a line from 29 UM there is a 3 star group. When I find that, I move 4.5 degrees parallel to a line between 23 UM (and towards) Dubhe and that puts me pretty close. With a Telrad I think one just sort of points it and knows where it is.... This is what works for me and I can most often find them under the 3.5 skies that are about the best I have at home. In my experience Telrads work nicely in dark skies but magnifying finders are a necessity when when light pollution is a problem. I find having both is the best for me. jon isaacs |
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