[AZ-Observing] Re: Robotic Lulin Shot last night
- From: "Rick Tejera" <saguaroastro@xxxxxxx>
- To: <az-observing@xxxxxxxxxxxxx>
- Date: Sun, 22 Feb 2009 15:39:42 -0700
Steve,
Opposition in longitude between Sun and C/2007 N3 Lulin
<file:///C:\Documents%20and%20Settings\Richard%20Tejera\Local%20Settings\Tem
p\Header0> Date (UT)
<file:///C:\Documents%20and%20Settings\Richard%20Tejera\Local%20Settings\Tem
p\Header1> Dist (AU)
<file:///C:\Documents%20and%20Settings\Richard%20Tejera\Local%20Settings\Tem
p\Header2> Dec
<file:///C:\Documents%20and%20Settings\Richard%20Tejera\Local%20Settings\Tem
p\SMPLine0> 2009 Feb 26 04:45
0.9902
-08° 40'
Clear Skies
Rick Tejera
Editor SACnews,
Public Outreach Coordinator
Saguaro Astronomy Club
Phoenix, Arizona
www.saguaroastro.org
saguaroastro@xxxxxxx
-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of
stevecoe@xxxxxxxxxxxxxxxx
Sent: Sunday, February 22, 2009 13:28
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Re: Robotic Lulin Shot last night
Tom, et al;
I get it that at opposition we will not see the main dust tail because it
is directly behind the coma. I don't get why at that time we will still
see the anti-tail, will it not be directly aimed at our position and so
also be overwhelmed by the coma?
I plan to look for myself, it will be interesting to see.
Can someone post the exact date and time of opposition? I have looked for
it but can't find it so far.
We had a good look at it on Thursday night at the Antennas. As so many
have said, the anti-tail is the most obvious I have ever seen.
There are photos of Arend-Roland from 1957 which had an obvious anti-tail,
but that is the only other I know that had so easy an anti-tail.
It is nice to have a naked eye comet with some detail to view.
Clear skies;
Steve Coe
> It's an especially intense anti-tail because we are in the comet's orbital
> plane when it is only 0.4 a.u. away from us. When it comes to opposition
> in a few days, the coma will be obscuring the tail, and we should see a
> comet with only an anti-tail.
>
> Tom
>
> ---- Chris Schur <comets133@xxxxxxxxx> wrote:
>> Very strange, this comets anti tail appears to be green as well. Never
>> seen that before!
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