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2006 VV2 Charts



 
 
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  #1  
Old March 29th 07, 10:18 PM posted to sci.astro.amateur
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Default 2006 VV2 Charts

Detailed charts for asteroid 2006 VV2, currently less
than 3 million miles from Earth, are available at
http://skytonight.com/observing/home/2006VV2.html

- Tony Flanders

  #2  
Old March 30th 07, 02:25 AM posted to sci.astro.amateur
canopus56[_1_]
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Default 2006 VV2 Charts

On Mar 29, 3:18 pm, wrote:
Detailed charts for asteroid 2006 VV2, currently less
than 3 million miles from Earth, are available athttp://skytonight.com/observing/home/2006VV2.html

- Tony Flanders


Thanks for the heads up, Tony. - Canopus56

  #3  
Old March 30th 07, 03:08 AM posted to sci.astro.amateur
Terry B
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Default 2006 VV2 Charts


wrote in message
oups.com...
Detailed charts for asteroid 2006 VV2, currently less
than 3 million miles from Earth, are available at
http://skytonight.com/observing/home/2006VV2.html

- Tony Flanders

Interesting. I might try to image this over the next few nights weather
permitting.
Thank you for the info.


Terry B
Armidale


  #4  
Old March 30th 07, 01:47 PM posted to sci.astro.amateur
William C. Keel
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Default 2006 VV2 Charts

Terry B wrote:

wrote in message
oups.com...
Detailed charts for asteroid 2006 VV2, currently less
than 3 million miles from Earth, are available at
http://skytonight.com/observing/home/2006VV2.html

- Tony Flanders

Interesting. I might try to image this over the next few nights weather
permitting.
Thank you for the info.


I couldn't resist some art shots of the asteroid in front of M81,
even with moonlight and all:
http://www.astr.ua.edu/gifimages/m81asteroid.html

Somebody got asteroid all over my galaxy!

Bill Keel
  #5  
Old March 30th 07, 06:44 PM posted to sci.astro.amateur
canopus56[_1_]
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Posts: 556
Default 2006 VV2 Charts

On Mar 30, 6:47 am, "William C. Keel" wrote:
I couldn't resist some art shots of the asteroid in front of M81,
even with moonlight and all
http://www.astr.ua.edu/gifimages/m81asteroid.html
Somebody got asteroid all over my galaxy!


Great shot Bill. Are the dropouts in the asteriod track 1) a light
curve variation from the asteriod rotating or 2) an artifact from the
imaging process? - Canopus56

  #6  
Old March 30th 07, 07:52 PM posted to sci.astro.amateur
Chris L Peterson
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Default 2006 VV2 Charts

On 30 Mar 2007 06:47:48 -0600, "William C. Keel"
wrote:

I couldn't resist some art shots of the asteroid in front of M81,
even with moonlight and all:
http://www.astr.ua.edu/gifimages/m81asteroid.html

Somebody got asteroid all over my galaxy!


Hi Bill-

Very nice. Did you notice that a similar image is on SpaceWeather.com
today? It was from NM, and yours from AL- a baseline of 1780 km. There
is substantial parallax visible between the two images. I've taken the
liberty of combining the two images into a stereo pair at
http://www.cloudbait.com/science/2006vv2.html ; not too often you can do
that with astronomical objects!

_________________________________________________

Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
  #7  
Old March 30th 07, 09:54 PM posted to sci.astro.amateur
William C. Keel
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Posts: 40
Default 2006 VV2 Charts

canopus56 wrote:
On Mar 30, 6:47 am, "William C. Keel" wrote:
I couldn't resist some art shots of the asteroid in front of M81,
even with moonlight and all
http://www.astr.ua.edu/gifimages/m81asteroid.html
Somebody got asteroid all over my galaxy!


Great shot Bill. Are the dropouts in the asteriod track 1) a light
curve variation from the asteriod rotating or 2) an artifact from the
imaging process? - Canopus56


I did a series of 5-minute exposures (being quite pleased that our
telescope's open-loop tracking lets me get away with that, since
SBIG selfguiding eats a lot of time to start exposures). The
gaps reflect the readout time of each exposure plus time it took
me to type a filename to save each one, and typically represent
45 seconds or so. There were thin passing clouds; both the sky
brightness and transparency varied noticeably between 5-minute
increments, so I didn't learn anything about a light curve. In
hindsight, that would have been easiest done by trailing the stars
as well, but then the visual impact would be compromised.

In getting those processed and aligned as soon as I got home,
let me once again pay homage to Mira's image-registration
tools, the best I've found.

Bill
 




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