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  #1  
Old 09-08-2011, 12:31 PM
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Supernova in the Big Dipper

There is apparently a Supernova that's appeared in the handle of the "Big Dipper". Large binoculars or good sized scope should show it. I tried seeing it last night but it was obscured by streetlights, pollution and clouds. Hopefully I'll have better luck tonight as I saw the last one that occurred 25 years ago when I was still living in South Africa so it'll be cool to see this one as well if I can. Though at Magnitude 10 it looks like I might not be lucky this time around. Pity.

- Peter.

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Old 09-08-2011, 12:58 PM
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Cool! (or I should say, Hawt!)

Hopefully somebody will swing Hubble around for snapshot.
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Old 09-08-2011, 01:02 PM
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Wow, thanks for the heads up. I might try my 150mm camera lens + 2x adapter (300mm) to see what's up.
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Old 09-08-2011, 01:04 PM
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Quote:
Originally Posted by Botnst View Post
Cool! (or I should say, Hawt!)

Hopefully somebody will swing Hubble around for snapshot.
I believe that's already been done.

- Peter.
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Formerly...
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Old 09-08-2011, 02:20 PM
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If I am understanding this correctly a light year is the distance it takes light to travel in one year. Since this is 21 million light years away, this supernova occurred 21 million years ago?

Hard to wrap your head around numbers like that.
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Old 09-08-2011, 10:11 PM
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Originally Posted by davidmash View Post
If I am understanding this correctly a light year is the distance it takes light to travel in one year. Since this is 21 million light years away, this supernova occurred 21 million years ago?

Hard to wrap your head around numbers like that.
Correct. Astronomy is a humbling thing.

- Peter.
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Formerly...
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1981 240D 4spd stick. 389000 miles. Deceased Jan 08
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  #7  
Old 09-08-2011, 10:36 PM
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Quote:
Originally Posted by davidmash View Post
If I am understanding this correctly a light year is the distance it takes light to travel in one year. Since this is 21 million light years away, this supernova occurred 21 million years ago?

Hard to wrap your head around numbers like that.
Yuppers, pretty cool!
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Old 09-08-2011, 11:50 PM
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It's cloudy tonight, maybe tomorrow I could get a peek. How long should this last?
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Old 09-09-2011, 12:20 AM
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I believe I read peak viewing will be from 9-12 Sep.
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  #10  
Old 09-09-2011, 01:37 AM
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Well I tried looking for it tonight but no luck despite clear skies. Mag 10 is below naked eye visibility and even with my 4.5 inch scope I couldn't even find the galaxy it's in. I think the light polution is just too much at my house. Might try again next couple of nights though and hope I get lucky.

- Peter.
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2000 GMC Sonoma
Formerly...
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1981 240D 4spd stick. 389000 miles. Deceased Jan 08
1984 123 200
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1972 Cadillac Sedan DeVille
1971 108 280S
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  #11  
Old 09-11-2011, 12:29 AM
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Still cloudy tonight. Bummer.
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  #12  
Old 09-11-2011, 01:06 PM
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Haven't had a clear night here in....probably a few weeks at this point! I'll have to resort to interwebs pictures from hubble and whatnot
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  #13  
Old 09-13-2011, 02:06 PM
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Out of curiosity, how does one "see" a black hole?
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Old 09-13-2011, 02:55 PM
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By calculating the gravitational force generated by that point. Since we can see things around it being drawn to it we can calculate those masses by terms of other gravity forces, spectrography, and some other calculations...calculate the speed and centripetal force and voila! Mathematically we can show black holes exist as well, through some serious physics.
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  #15  
Old 09-13-2011, 03:09 PM
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yeah, but these guys are talking about seeing it with a pair of binoculars...

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