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Equipment Discussions >> Binoculars

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John_G
sage


Reged: 01/18/10

C2012 K5 (LINEAR)
      #5593185 - 12/28/12 07:27 PM Attachment (122 downloads)

My new year's wish is that the clouds will clear long enough before moon rise such that I can try for this comet with my binoculars. If the weather was good, I'd dress up warm and drive to a dark site. The attached SkyTools chart is for my 15x70s on the evening of Jan 1.

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Man in a Tub
Postmaster
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Reged: 10/28/08

Loc: Fogpatch, CA
Re: C2012 K5 (LINEAR) new [Re: John_G]
      #5593817 - 12/29/12 05:30 AM

This November thread, Comet C/2012 is ready for chasing, makes me think this comet is worth trying with binoculars. The opening post has a link with a magnitude chart.

Thanks for the heads up, John.

SkyTools Finder Chart removed. Trajectory was incorrect. Comets files was out-of-date.

Edited by Man in a Tub (01/01/13 12:33 AM)


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astrocy
super member


Reged: 11/28/09

Re: C2012 K5 (LINEAR) new [Re: Man in a Tub]
      #5593834 - 12/29/12 06:22 AM

A few nights ago I was able to observe the comet using 15x70 binoculars. I had to wake up very early in the morning after the moon had set and when the temperature was very low, but I think it was worth it. The comet was easily found and although quite faint, it was still visible with direct vision.

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John_G
sage


Reged: 01/18/10

Re: C2012 K5 (LINEAR) new [Re: astrocy]
      #5594064 - 12/29/12 10:16 AM

Good to know it's visible. I'd like to try for it next week at the first opportunity. I've also got 6 open clusters in Ori and Mon I'd like to try for. I'm working through the AL Deep Sky Binocular. Another 3 later this winter in Pup and then I'll have them all.

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ianatcn
sage


Reged: 05/26/10

Loc: Hampshire, UK
Re: C2012 K5 (LINEAR) new [Re: Man in a Tub]
      #5594092 - 12/29/12 10:27 AM

Todd, Thanks for the excellent map. I have just printed it off and will use it the next clear night we get here to look for the comet. I will let you all know how I get on.

Ian


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ronharper
Carpal Tunnel
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Reged: 02/14/06

Re: C2012 K5 (LINEAR) new [Re: ianatcn]
      #5594691 - 12/29/12 04:21 PM

Ooo, ooo! Going to try tonight before the moon pops up. Thanks for the heads up John and everybody.
Ron


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SMark
scholastic sledgehammer
*****

Reged: 08/29/11

Loc: Atlanta, GA USA
Re: C2012 K5 (LINEAR) new [Re: John_G]
      #5595484 - 12/30/12 02:20 AM

Quote:

Good to know it's visible. I'd like to try for it next week at the first opportunity. I've also got 6 open clusters in Ori and Mon I'd like to try for. I'm working through the AL Deep Sky Binocular. Another 3 later this winter in Pup and then I'll have them all.




M46 & M47 are among my favorites... maybe even my favorite binocular pair. They sit there like sisters but they are so different from each other. And there's a lot more happening there at the same time too... But as a binocular pair, these two clusters are at the top of my list.


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John_G
sage


Reged: 01/18/10

Re: C2012 K5 (LINEAR) new [Re: SMark]
      #5598581 - 12/31/12 07:02 PM Attachment (41 downloads)

Another chart attached for tonight. Good luck. I tried last night but it was too cold. Also, I now believe a tripod is a necessity for for wintertime astronomy. I need to get one.

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hallelujah
Post Laureate
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Reged: 07/14/06

Loc: North Star over Colorado
Re: C2012 K5 (LINEAR) new [Re: John_G]
      #5598848 - 12/31/12 10:30 PM

http://www.aerith.net/comet/catalog/2012K5/2012K5.html

http://astrobob.areavoices.com/2012/12/30/c2012-k5-an-evening-comet-worth-cha...


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Man in a Tub
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Reged: 10/28/08

Loc: Fogpatch, CA
Re: C2012 K5 (LINEAR) new [Re: hallelujah]
      #5598969 - 01/01/13 12:32 AM

OOPS!

I removed the SkyTools 3 chart I posted above. Although very recent, my comets file was either in error or out-of-date. The trajectory for C2012 K5 (LINEAR) was incorrect. Other charts with the comet's trajectory close to M 36 were a tip-off.

Edited by Man in a Tub (01/01/13 09:33 AM)


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ronharper
Carpal Tunnel
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Reged: 02/14/06

Re: C2012 K5 (LINEAR) new [Re: Man in a Tub]
      #5599005 - 01/01/13 01:11 AM

Weather has done another number on me. Woah up, K5!
Ron


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ianatcn
sage


Reged: 05/26/10

Loc: Hampshire, UK
Success! new [Re: Man in a Tub]
      #5599837 - 01/01/13 03:34 PM

Happy New Year group! After several days of continuous rain here in the South of the UK we have had a clear day. The atmosphere has been washed clean of pollutants and seeing was good.

I went out soon after dark to look for comet LINEAR, optimistically with my 10x50 Fujinon and no luck. Decided that I would try again with my trusty 20x60s and there it was. At that time I could see a nebulous glow with no real detail and best in averted vision.

Later on when the sky was fully dark I swept it up easily in the 10x50. Best held with averted vision but looking lovely in amongst a rich starfield. Next tried the 15x60 Zeiss and could see a well defined coma with some condensation. In the 20x60s with dark adapted eyes I could now see an elongation in the coma. Time for the big guns and out came the Docter 40x80. In these there was a lot to see. The comet was now more like an elongated fan and with a small condensed nucleus held best with averted vision. A lovely object at high power but I switched back to the 10x50 and enjoyed sweeping between the comet and the auriga clusters.

My sky conditions here were good for transparency and in my rural location I have no direct lighting problems, just distant towns to the east and southwest giving cones of skyglow.

Good luck to the rest of you. I am hoping for a few more nights like tonight. A good start to my observing year!

Ian


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norton67
member


Reged: 12/11/12

Loc: Michigan
Re: Success! new [Re: ianatcn]
      #5599893 - 01/01/13 04:06 PM

I am hoping to try tonight myself.

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Mark9473
Postmaster
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Reged: 07/21/05

Loc: 51N 4E
Re: Success! new [Re: norton67]
      #5599945 - 01/01/13 04:49 PM

I spotted the comet this evening in my 15x60 binoculars an hour after Moonrise. It was just a faint indeterminate glow, and the overly bright (6th magnitude) star right next to it was really keeping me from getting a good look at it.

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Rich V.
Post Laureate
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Reged: 01/02/05

Loc: Lake Tahoe area, Nevada, USA
Re: Success! new [Re: Mark9473]
      #5600517 - 01/01/13 11:10 PM

The clouds/snow we've had for a week cleared out; got a chance to look at the comet tonight before moon rise. It was midway between Beta and Theta Aur. In 16x70s it was a diffuse glow seen directly no more than 6' in diameter. No brightening of nucleus or tail that I could see.

It's well away from the 6th mag. star Mark referred to now; since then the comet has moved approx. 23'!

In the 16F temp, my neck wished I had taken the trouble to set up the Unimount instead of the tall tripod/video head.

Rich


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Patricko
Carpal Tunnel
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Reged: 01/30/07

Loc: USA
Re: Success! new [Re: Mark9473]
      #5600520 - 01/01/13 11:13 PM

Got it several minutes ago with 11.75X48mm and 14.9X69mm binoculars fron my intown location. An easy catch indeed and well worth the short hunt to find it. Thank goodness for good binoculars!

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ronharper
Carpal Tunnel
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Reged: 02/14/06

Re: Success! new [Re: Patricko]
      #5600582 - 01/02/13 12:22 AM

I first tried with 10x56, which on this night revealed the bright star in M37 steadily. The comet was seen immediately. Comparing with M78, surface brightness is similar, but the comet is about twice as big. I estimated very roughly 10 arcmin size. It looked rather shapeless, but with a concentration of light to to the SW of center, hardly to say a tail to the NE. My 15x60, which revealed M37 as a fine spray of stars, showed scarcely more of the comet, only making the observation easier.
Ron

Edited to say M37 not 36.

Edited by ronharper (01/02/13 12:30 PM)


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Man in a Tub
Postmaster
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Reged: 10/28/08

Loc: Fogpatch, CA
Re: Success! new [Re: ronharper]
      #5600822 - 01/02/13 08:00 AM

I got a decent, neck-cracking view of C/2012 K5 (Linear) around 02:45 PST with my trusty Pentax 20x60 PCF WP II on the Garrett monopod. Seen almost immediately, it was bigger and brighter than expected. Roundish. However, no center brightness was seen. Why? Probably because I was seeing what I can of the center.

I also saw it with my Brunton Eterna 15x51 hand-held and finally with my Fujinon 10x50 FMT-SX on the monopod.

Hope it's clear tomorrow so I can see it next to M 36. Time for the GO Signature 15x70.



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Rich V.
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Reged: 01/02/05

Loc: Lake Tahoe area, Nevada, USA
Re: Success! new [Re: Man in a Tub]
      #5601163 - 01/02/13 12:26 PM

Quote:

Hope it's clear tomorrow so I can see it next to M 36. Time for the GO Signature 15x70.






Yes, seeing the comet in the same 4 FOV with M36 should be a nice sight! The CSC forecast looks good for Thurs. night in my location.

We'll be getting into the action a bit late; viewers in Europe like Mark will see the two much closer together than we will in the US PST zone.

Rich


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Mark9473
Postmaster
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Reged: 07/21/05

Loc: 51N 4E
Re: Success! new [Re: Rich V.]
      #5601265 - 01/02/13 01:30 PM

Rich, given the weather forecast over here I'm certain you'll see it much better than me...

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Rich V.
Post Laureate
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Reged: 01/02/05

Loc: Lake Tahoe area, Nevada, USA
Re: Success! new [Re: Mark9473]
      #5601291 - 01/02/13 01:50 PM

Sorry to hear that, Mark. I suppose it's a given that you get lots of cloudy winter weather out your way.

Though it's high desert over here, winter conditions don't make viewing all that great like some might think. Lots of haze due to temperature inversion in the valleys, jet stream overhead frequently, high altitude ice crystals and thin clouds plus my ever-increasing aversion to the cold make it challenging. It was 16F (-8.8C) last night while viewing but it dropped to 2(-16.6C) by morning...

Rich


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BillC
on a new path
*****

Reged: 06/04/04

Loc: Lake Stevens, WA, USA
Re: Success! new [Re: Rich V.]
      #5601340 - 01/02/13 02:24 PM

That's 'cause you're at Ta- Ho Ho Ho! Brrrr Freeeezy!

BillC


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ianatcn
sage


Reged: 05/26/10

Loc: Hampshire, UK
Re: Success! new [Re: BillC]
      #5601648 - 01/02/13 05:46 PM

My view last night is probably my last for a while. We have an azores high building over us which at this time of year means mild weather but wall to wall cloud. Looks like my next chance will be when the comet is well clear of Auriga. Temperature here tonight forecast to be 12c - thats above freezing Rich!

Ian


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wky46
Carpal Tunnel
*****

Reged: 12/12/05

Loc: west Ky.
Re: Success! new [Re: ianatcn]
      #5601657 - 01/02/13 05:50 PM

Looks like a good weekend forecast for me so I'll give it a go then with my 20x80's

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John_G
sage


Reged: 01/18/10

Re: Success! new [Re: wky46]
      #5601870 - 01/02/13 08:10 PM

Visible with my 12x50s in the vicinity of 31 Aur but I couldn't really see any of the nucleus.

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daniel_h
Carpal Tunnel
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Reged: 03/08/08

Loc: VIC, Australia
Re: Success! new [Re: John_G]
      #5602455 - 01/03/13 07:30 AM Attachment (25 downloads)

finally caught this one in my 25x100 - the nucleus wasn't totally clear - i used to averted vision to ascertain it pointed toward 5 o'clock in my sketch -other than that fairly un-remarkable, my sketch shows what i saw
taken 3 Oct 1200 UT, N is up on my sketch (should be rotated to the right a little)

Edited by daniel_h (01/03/13 07:42 AM)


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Man in a Tub
Postmaster
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Reged: 10/28/08

Loc: Fogpatch, CA
Re: Success! new [Re: daniel_h]
      #5602534 - 01/03/13 08:44 AM

Great sketch, Daniel!

When I got a meager, dim view around 03:00 PST, the nucleus was inside that lower triangle of stars in your sketch. I tried a rough estimate of size seen less than 10', perhaps about 7'. I decided it would be better to see the comet free of the triangle. So I took an hour break.

Well, a second glimpse didn't happen with my GO Signature 15x70. The comet was wiped out by moonglow and light pollution bouncing around in the particulate haze of a windless night. Even M 36 and M 38 were almost obliterated.

Dreck happens!


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ronharper
Carpal Tunnel
*****

Reged: 02/14/06

Re: Success! new [Re: Man in a Tub]
      #5602656 - 01/03/13 10:07 AM

Last night was super clear, but when I looked the view was confused by stars. I could see it but couldn't tell diddly.
Ron


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BobinKy
Post Laureate
*****

Reged: 04/27/07

Re: Success! new [Re: ronharper]
      #5602946 - 01/03/13 12:49 PM

Nice sketch, Dan! Thank you for sharing.

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daniel_h
Carpal Tunnel
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Reged: 03/08/08

Loc: VIC, Australia
Re: Success! new [Re: BobinKy]
      #5603154 - 01/03/13 02:45 PM

I'll try for another go tonight, Auriga is fairly low for me
It's going to be hot in my part o the world, over 100 F today


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hallelujah
Post Laureate
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Reged: 07/14/06

Loc: North Star over Colorado
C2012 K5 (LINEAR) new [Re: daniel_h]
      #5603202 - 01/03/13 03:12 PM

http://www.cloudynights.com/ubbthreads/showflat.php/Cat/0/Number/5603071/Main...

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Mr. Bill
Postmaster
*****

Reged: 02/09/05

Loc: Northeastern Cal
Re: C2012 K5 (LINEAR) new [Re: hallelujah]
      #5603296 - 01/03/13 04:06 PM

Here's another chart....

http://cometchasing.skyhound.com/comets/2012_K5.pdf

Will try with 5 inch BinoBox...



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Rich V.
Post Laureate
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Reged: 01/02/05

Loc: Lake Tahoe area, Nevada, USA
Re: C2012 K5 (LINEAR) new [Re: Mr. Bill]
      #5603322 - 01/03/13 04:29 PM

Bill, in your BinoBox it should be in the same FOV as M36 until about 10PM tonight PST. They will be 2.33 apart at that time.

Really hazy down here today; will see how it is tonight...

Rich


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Mr. Bill
Postmaster
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Reged: 02/09/05

Loc: Northeastern Cal
Re: C2012 K5 (LINEAR) new [Re: Rich V.]
      #5603383 - 01/03/13 05:05 PM

Quote:

Bill, in your BinoBox it should be in the same FOV as M36 until about 10PM tonight PST. They will be 2.33 apart at that time.

Really hazy down here today; will see how it is tonight...

Rich




OK Rich, give it a shot.



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ianatcn
sage


Reged: 05/26/10

Loc: Hampshire, UK
Re: C2012 K5 (LINEAR) new [Re: Mr. Bill]
      #5603465 - 01/03/13 06:18 PM

Managed to grab a 15 minute gap in the clouds at 2230 here. I lay on my driveway armed with Zeiss 20x60s Auriga high overhead. Lovely view of the comet and M36 in same 3 degree field of view. I then compared comet to M1. I would say they were roughly the same integrated brightness given that the comet was much larger and more diffuse than the crab. That was an unexpected pleasure.

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Mr. Bill
Postmaster
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Reged: 02/09/05

Loc: Northeastern Cal
Re: C2012 K5 (LINEAR) new [Re: ianatcn]
      #5603654 - 01/03/13 08:17 PM Attachment (18 downloads)

12 degrees F out there....



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BobinKy
Post Laureate
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Reged: 04/27/07

Re: C2012 K5 (LINEAR) new [Re: Mr. Bill]
      #5603698 - 01/03/13 09:05 PM

This is a wonderful thread! Thanks everybody.

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Mr. Bill
Postmaster
*****

Reged: 02/09/05

Loc: Northeastern Cal
Re: C2012 K5 (LINEAR) new [Re: BobinKy]
      #5603839 - 01/03/13 10:51 PM

OK...saw it as a diffused halo (for about 30 seconds before everything frosted over.) 9 degrees and falling...

Big Bang coming on shortly and a Jack Daniels egg nog is in my immediate future.



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ronharper
Carpal Tunnel
*****

Reged: 02/14/06

Re: C2012 K5 (LINEAR) new [Re: Mr. Bill]
      #5603930 - 01/04/13 12:17 AM

Very hard to see it at all tonight, smack on top of a 6.5 magnitude star when I looked.
Ron


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Tamiji Homma
Post Laureate
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Reged: 02/24/07

Loc: California, USA
Re: C2012 K5 (LINEAR) new [Re: ronharper]
      #5603950 - 01/04/13 12:32 AM

Hi Ron,

I agree with you.
Tonight was harder than last night.

I spent half an hour between 20:30 and 21:00 PST with Kowa at 21x. I thought that transparency was getting worse here.
Perhaps, X Aur was too bright so that it was hard to see C/2012 K5 as you said.

Last night, I observed in cyclops mode (TMB 92SS/Nagler 31), at 16x, 4.8 degree TFOV. M36, M37 and C/2012 K5 were in the same view

Here is the chart (SkySafari Pro generated, 5 degree circle):


Tammy


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SMark
scholastic sledgehammer
*****

Reged: 08/29/11

Loc: Atlanta, GA USA
Re: C2012 K5 (LINEAR) new [Re: ronharper]
      #5604021 - 01/04/13 02:41 AM

I spent about a half hour observing from 1:45 to 2:15 EST from my suburban location with my 10x70 and my 16x80, and I failed to see it with the 10x70. However, using averted vision with the 16x80 I did find it already past X Aur. Very faint but an obvious elongated fan-like shape. Difficult to see with direct vision, unfortunately. I thought of going back and getting my 25x100 but the moon was already becoming a problem so I just went in. May try it tomorrow. M36, M37 & M38 showed well in both binoculars, but especially in the 16x80.

I actually used both binoculars hand-held from my reclined anti-gravity chair. The 16x80 would work better like that if I had some higher elbow rests. I may just have to make myself a set of those...


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daniel_h
Carpal Tunnel
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Reged: 03/08/08

Loc: VIC, Australia
Re: C2012 K5 (LINEAR) new [Re: SMark]
      #5604176 - 01/04/13 07:23 AM Attachment (25 downloads)

nabbed it again tonight -i was surprised how much the comet had moved away from M36 from my previous obs last night, i thought initially i couldn't see t but it as sitting at the top of my fov (towards my Sth)

i would have to say it is more distinctive tonight as a comet, the coma easily visible outline wise, the nucleus appeared definitively tonight whereas a last night i as using averted & giving my best guess of where it was
sketch attached, instrument 25x100
bright star at top of view is X/Chi Aurigae

Edited by daniel_h (01/04/13 07:24 AM)


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Mike Lynch
sage
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Reged: 04/07/06

Re: C2012 K5 (LINEAR) new [Re: daniel_h]
      #5604205 - 01/04/13 07:57 AM

Tried LINEAR last night (Jan. 3) with my 20x80's in my suburban back yard. Saw M36 with no problem, but couldn't see the comet. Better location (away from lights) likely would have made a difference!

Mike Lynch
Frankfort KY USA


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ngc 9999
sage


Reged: 08/13/12

Loc: Sunrise, Fl. 26 degrees N
Re: Success! new [Re: Mark9473]
      #5604395 - 01/04/13 09:40 AM

Does Stellarium shows the right position?

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Riddick
journeyman


Reged: 08/05/12

Re: Success! new [Re: ngc 9999]
      #5604632 - 01/04/13 11:52 AM

Quote:

Does Stellarium shows the right position?




Yes, press F2 (configuration), click on Plug-ins, Solar System Editor, check the box Load at startup and then click on configure. Click on the tab Solar System and then click again on Import orbital elements in MPC format.
Select type: comet, select source: a list of objects from the internet: MPC's list of observable comets. Finally click on Get orbital elements.

Seems more complicated than it is, once inside stellarium it's very easy.

To quickly locate the comet I usually press F3 and type C/2012 K5. It goes directly to it.

Another great two Plug-ins in Stellarium to star hopping through binoculars are angle measure and ocular view. I've located many elusive objects with these.

Edited by Riddick (01/04/13 11:55 AM)


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John_G
sage


Reged: 01/18/10

Re: Success! new [Re: Riddick]
      #5605063 - 01/04/13 03:49 PM Attachment (45 downloads)

Chart attached is for tonight. Cloudy here and likely the rest of the week but good luck.

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Rich V.
Post Laureate
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Reged: 01/02/05

Loc: Lake Tahoe area, Nevada, USA
Re: Success! new [Re: John_G]
      #5605133 - 01/04/13 04:18 PM

Last night was a wash out for me; the comet was very near Chi Aur (mag 4.71) but the glare it and the three other stars in that area prevented me from seeing the comet in 16x70s. Transparency was worse than the other night; even the bright OCs in the area looked washed out.

It was hard on the neck as well; I ended up tilting my tripod back on two legs to make it less painful. Too cold to setup more gear for an easier shot on my neck.

If this comet was more spectacular, I'd feel better about braving the elements! It's certainly no Comet Machholz; that was a proper winter comet!

Rich


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daniel_h
Carpal Tunnel
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Reged: 03/08/08

Loc: VIC, Australia
Re: Success! new [Re: Rich V.]
      #5605212 - 01/04/13 04:58 PM

For Mike & ngc999 the comet wasn't so near M36 last night as some charts predicted, but was closer to Taurus

Rich opposite conditions for me, most of my state reached close to 105F yesterday, & it was stinking hot all night...the comet is also close o my northern horizon, no neck craning necessary, but slightly higher would be better. (the Aur clusters never get high enough for me to be at their best)

Hopefully it will still be good next Tuesday, I am going to 1700+ M for a mountain top outreach night


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John_G
sage


Reged: 01/18/10

Re: Success! new [Re: daniel_h]
      #5605343 - 01/04/13 06:30 PM

With my 12x50s, I didn't see the nucleus but the coma was quite noticeable. Faint and fuzzy but visible, especially with averted vision. My 4th comet since 2009.

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rydberg
scholastic sledgehammer
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Reged: 02/25/04

Loc: Richmond, KY, USA
Re: Success! new [Re: John_G]
      #5605778 - 01/04/13 11:36 PM

I was able to see it in Richmond KY, on December 3rd around 10:15 PM (UTC-5), but only with averted vision. Did not see a bright core, so probably I was seeing the tail. The sketch by Daniel seem to depict what I was seeing (if I look at his sketch by rotating my head 90 degrees left). My FOV was bigger as I saw the comet with my Canon 15x50 (I found it with these) and then I saw it again with my Fujinon 16x70. By the way, stars have much more "punch" in the 16x70. Looks like my eyes still open beyond 4.3 mm.
Marco


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ronharper
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Re: Success! new [Re: rydberg]
      #5605816 - 01/05/13 12:12 AM

My view tonight agrees with Daniel's last report, although with a 15x60 I couldn't see it as well as his sketch. NE to SW elongation is now evident, with the SW end concentrated. A dim star at the end of the "tail" combined with a not very transparent night left me feeling unfulfilled. Oops, shouldn't get too emotional here, try to think of those who haven't seen it at all.
Ron


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Man in a Tub
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Re: Success! new [Re: ronharper]
      #5606043 - 01/05/13 05:35 AM

With the Fujinon 10x50 FMT-SX on the Garrett 2000 monopod, I pulled off a very brief view of the comet. It was dim and roundish with a ninth magnitude star to the left. Time was approximately 02:00 PST (UTC-8). The observation occurred just as large strands of wispy clouds, harbingers of the next rainstorm, were sweeping in.

Notable for this session, C/2012 K5 (Linear), Ceres and Beta Tau formed a nearly perfect equilateral triangle (about 2 on each side).


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Mike Lynch
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Re: Success! new [Re: rydberg]
      #5607223 - 01/05/13 08:09 PM

Just a few counties northwest of Rydberg, in Frankfort, Ky., I finally managed to see LINEAR with my 80mm f/6.6 scope last night. Best view was with a 9mm Expanse eyepiece. 80 mm binocs just couldn't make it visible.

Had to keep El Nath out of the field of view to see the comet. It was little more than a slight brightening of the background darkness. Little shape was visible.

Mike Lynch
Frankfort KY USA


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ronharper
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Re: Success! new [Re: Mike Lynch]
      #5607617 - 01/06/13 12:25 AM

Tonight, my view was free of interfering stars. The comet has faded a lot, and now although appearing larger than M1 is harder to see. The 15x60 showed only an amorphous glow. In my 6" Newt at 30x, I could see a head and a short tail. Look fast or forget about it!
Ron


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radiotowers
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Re: Success! new [Re: ronharper]
      #5611882 - 01/08/13 12:39 PM

Should I be able to find this comet using an 80mm refractor (specifically, an ETX-80)? Would assume so based on the types of binoculars people are reporting seeing it with, but didn't have any luck finding it last night. Although admittedly I didn't spend much time on it.

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Mr. Bill
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Re: Success! new [Re: radiotowers]
      #5612285 - 01/08/13 04:41 PM Attachment (10 downloads)

Give it a look tonight....first clear day in a while.

Will try to recover with 6 inch f/5 and Binoviewers...hey, its binocular viewing if not binoculars.



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ronharper
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Re: Success! new [Re: Mr. Bill]
      #5612978 - 01/09/13 12:13 AM

Tonight I found the comet pretty easily with 10x56. I kept thinking I saw a vague brightening inside, and 15x60 confirmed this impression. The way it had been dimming the last few days, this surprised me. I looked at other things for a while, and when I returned to the comet, it had moved clear of the brightening. So, almost fooled by a star. Now I realized that the star had falsely reinforced the view. Standing alone, the comet was much dimmer. It is now smaller than M1, and considerably harder to see.
Ron


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ronharper
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Re: Success! new [Re: ronharper]
      #5615322 - 01/10/13 11:30 AM

Last night conditions were pretty good, but I failed to find the comet with a 15x60. I searched probably 10 minutes nonstop, and more scattered over an hour long session.

Lately I've noticed a difficulty that never bothered me much before. A very dim star will appear not as a point of light but as a small blur. Arduous averted vision may or may not reveal a tendency of light to momentarily concentrate within the blur. A search for a dim extended, but small, object is likely to be inconclusive--at the threshold of visibility, you can't be sure you're not looking at a star.

That might be "Deep Sky 101", but I'm newly impressed by it. Comets are sort of an exception. Last night, my only candidate for the comet failed to move--not good! It was fun anyhow. Exciting even. Can somebody explain that?
Ron


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Special Ed
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Re: Success! new [Re: ronharper]
      #5623521 - 01/14/13 10:07 PM

Hi,

Good to see so many binocular comet observations. This was a good one and you will seldom see one with so rapid a movement.

I looked for it the evening of the 12th (13th UT) with my 12x36 IS II's but was unable to detect it. I had a good chart from Skyhound and was looking at the right spot. Transparency was poor which was a contributing factor but it may have faded enough so that it is beyond the reach of those binoculars.


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