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magic612
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Reged: 09/30/08

Loc: S. of Chicago's light dome
Re: Comet C/2011 L4 (PANSTARRS) new [Re: OldDeadOne]
      #5732733 - 03/14/13 06:54 PM

Quote:

BTW how long after the sun sets do I go to look for it? Right after the sun sets or later?




I did not see it visually with binoculars or capture it on film until 39 minutes past local sunset time. Your experience may vary of course, but other reports I've read have indicated similar times.

I have some more information on what I saw last night, here, which may help you prepare.


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Mike B.
Carpal Tunnel
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Reged: 10/24/05

Loc: Louisiana
Re: Comet C/2011 L4 (PANSTARRS) new [Re: magic612]
      #5732806 - 03/14/13 07:36 PM

Quote:

Quote:

BTW how long after the sun sets do I go to look for it? Right after the sun sets or later?




I did not see it visually with binoculars or capture it on film until 39 minutes past local sunset time. Your experience may vary of course, but other reports I've read have indicated similar times.





Yes, that's about what I have experienced, too. No less than 35 to 40 minutes after sunset before I spotted it on 3 successive nights. Last night (March 13th,) my first photo in strong twilight was at 7:47 P.M CDT, for instance.

As it got darker, I went to automated shooting and got about 70 subs. I used the fist 40 of those to generate the image below. They were 4 seconds each at ISO 1600 through a 400mm equivalent telephoto lens:



Compare it to Jeremy Perez's Mar 14, 0210 UT drawing further up in the thread.


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OldDeadOne
Pooh-Bah
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Reged: 09/09/06

Loc: West Virginia
Re: Comet C/2011 L4 (PANSTARRS) new [Re: magic612]
      #5732872 - 03/14/13 08:05 PM

Got clouds hanging over the mountains,I am going to try my luck tomorrow if it is clear. I tried but no luck for me

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MikeBOKC
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Reged: 05/10/10

Loc: Oklahoma City, OK
Re: Comet C/2011 L4 (PANSTARRS) new [Re: OldDeadOne]
      #5733030 - 03/14/13 09:29 PM

I know comets are notoriously hard to predict, but from experienced comet trackers, any ideas on what we can expect from tail and coma brightness in the next 3-6 weeks as PANSTARRS moves out from the sun?

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mikewirths
Vendor-Baja Dark Skies
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Reged: 06/16/08

Loc: San Pedro Martir Mexico
Re: Comet C/2011 L4 (PANSTARRS) [Re: MikeBOKC]
      #5733042 - 03/14/13 09:34 PM Attachment (19 downloads)

Heres my shot of it from the Sierra San Pedro Martir in northern Baja California, we were in Ensenada/San Diego the last 2 nights with nasty smog making it really hard to see this comet, what a difference pollution free skies and altitude make!! We saw it faintly naked eye tonight around 6:30, but the 20X90 binoculars gave a super view! Has a short bifurcated tail!

Heres a link to a pic, 800 ISO, tripod, 1 second exposure

http://img213.imageshack.us/img213/6077/cometpanstarrs.jpg

My Wife and I distinctly had the impression that it had a pinkish tinge, I imagine due to the low altitude of the comet? The view in the binocs were much more detailed than any shot I have seen thus far, low power in a 8" + scope would be quite detailed I imagine!!

A very bright round nucleus!!

--Mike


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tezster
scholastic sledgehammer
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Reged: 07/14/09

Loc: Missisauga, Canada
Re: Comet C/2011 L4 (PANSTARRS) [Re: MikeBOKC]
      #5733052 - 03/14/13 09:39 PM

Finally spotted it tonight! First saw it around 8:10pm local time. It was very bright and distinct in binoculars, but difficult to spot naked eye. Managed to snap a few shots - nothing fancy, just enough to show it's there



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Scanning4Comets
Markus
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Reged: 12/26/04

Re: Comet C/2011 L4 (PANSTARRS) [Re: tezster]
      #5733069 - 03/14/13 09:46 PM Attachment (28 downloads)

Wow! The shots of the comet here are amazing! I was going to bring my telescope, but I just brought a pair of 7x35 binocs and my camera. Here are some shots I took.

My first words out of my mouth when I spotted it in my 7x35's were "OH MY GOD ~ THERE IT IS !!! I was very happy to have seen it for the first time ever!

Cheers,


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SabiaJD
scholastic sledgehammer


Reged: 02/20/05

Loc: Clarks Summit, PA
Re: Comet C/2011 L4 (PANSTARRS) [Re: Scanning4Comets]
      #5733079 - 03/14/13 09:53 PM Attachment (30 downloads)

Very windy and cold temps at sunset tonight March 14, 2013 EDT. Fingers freezing to capture C/2011 L4 PANSTARRS.

Here is on taken with 5 inch f/5 Jaugers refractor and 28 mm eyepiece.


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Scanning4Comets
Markus
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Reged: 12/26/04

Re: Comet C/2011 L4 (PANSTARRS) [Re: Scanning4Comets]
      #5733080 - 03/14/13 09:54 PM Attachment (26 downloads)

..

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Scanning4Comets
Markus
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Reged: 12/26/04

Re: Comet C/2011 L4 (PANSTARRS) [Re: Scanning4Comets]
      #5733083 - 03/14/13 09:55 PM Attachment (18 downloads)

...

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SabiaJD
scholastic sledgehammer


Reged: 02/20/05

Loc: Clarks Summit, PA
Re: Comet C/2011 L4 (PANSTARRS) [Re: SabiaJD]
      #5733086 - 03/14/13 09:56 PM Attachment (27 downloads)

This was my first view of this comet in 3 inch f/15 Alvan Clark Refractor and 28 mm eyepiece. Found comet with 10 x 50 binoculars. Did not see with unaided eye.

Edited by SabiaJD (03/14/13 09:57 PM)


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magic612
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Reged: 09/30/08

Loc: S. of Chicago's light dome
Re: Comet C/2011 L4 (PANSTARRS) [Re: MikeBOKC]
      #5733112 - 03/14/13 10:09 PM

Mike, see this page:

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=CK11L040

Pretty sure that "m" column at the right side indicates predicted magnitude.


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Unknownastron
professor emeritus
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Reged: 04/06/05

Loc: CatsEye Observatory,Rural Sout...
Re: Comet C/2011 L4 (PANSTARRS) [Re: SabiaJD]
      #5733116 - 03/14/13 10:12 PM

I saw it again tonight, as I have the past 3 nights, from my driveway at home, using 20x80 and 10x50 binoculars. Still not able to see it naked eye, probably due to age of equipment. My wife and I both thought it looked 'more pointed'; the coma around the nucleus seemed smaller, just the bright 'head' then the slightly curving tail. Maybe the air was not quite as clear as it looked. We have good weather forecast for tomorrow as well, so I will look every night.
Clear skies and clean glass,
Mike


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Loren Toole
sage
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Reged: 03/23/04

Loc: New Mexico USA
Re: Comet C/2011 L4 (PANSTARRS) [Re: Unknownastron]
      #5733181 - 03/14/13 10:47 PM

I also saw PANSTARRS tonight, in 20x80 binos on a monopod. Overall brightness has generally been constant for at least the past two nights, what I did notice tonight is: the tail appears to extend 1.5 to 2 degrees with averted vision, bowing slightly towards south! It's more dense on the north edge, a distinct rayed pattern which becomes relatively faint beyond a degree. I was also trying to verify whether the tail is split, within the first half degree... that's very difficult to confirm.

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EdTheEdge
Carpal Tunnel


Reged: 04/10/09

Loc: Lomita, CA
Re: Comet C/2011 L4 (PANSTARRS) [Re: Unknownastron]
      #5733187 - 03/14/13 10:50 PM

Clouded out tonight. Bummer.

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Special Ed
Postmaster
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Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: Comet C/2011 L4 (PANSTARRS) [Re: OldDeadOne]
      #5733188 - 03/14/13 10:50 PM

Quote:

Got clouds hanging over the mountains,I am going to try my luck tomorrow if it is clear. I tried but no luck for me




Bert,

Made my 4th attempt tonight to see the comet and struck out again--clouds where the comet should have been. Don't give up!


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tim53
Postmaster
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Reged: 12/17/04

Loc: Highland Park, CA
Re: Comet C/2011 L4 (PANSTARRS) [Re: Special Ed]
      #5733195 - 03/14/13 10:54 PM

I've got clouds in that direction tonight as well. It was so clear all day, too!

Maybe tomorrow.

-Tim.


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mikehager
member


Reged: 04/05/08

Loc: NC, U.S.A.
Re: Comet C/2011 L4 (PANSTARRS) [Re: Special Ed]
      #5733206 - 03/14/13 11:02 PM Attachment (24 downloads)

Three consecutive nights observing. Love the view through 15 x 70 binos. 80mm Eon and Canon Xsi used for images as comet was setting March 13, 2013.

Edited by mikehager (03/14/13 11:15 PM)


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zee
super member


Reged: 07/04/07

Loc: Arizona (varies)
Re: Comet C/2011 L4 (PANSTARRS) [Re: mikehager]
      #5733231 - 03/14/13 11:17 PM

Fourth night observing it (sorry clouded in folks!) and tonight it seemed much brighter naked eye, though it's supposed to be dimming. Don't know if the conditions were slightly better or I'm getting used to looking at it (or not quite at it) more efficiently, but with naked eye tonight, averted vision, I saw tail.

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waso29
sage
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Reged: 05/12/10

Loc: Chi-Town, USA, mother earth
Re: Comet C/2011 L4 (PANSTARRS) [Re: zee]
      #5733299 - 03/14/13 11:59 PM

From the windy city, spotted heading toward Soldier Field.




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