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Possible daylight comet for Jan 2007
by Simon at 01:29 11/01/07 (Blogs::Simon)
Comet 2006 P1 (McNaught) is a new comet, straight from the Oort Cloud on its first pass through the inner solar system.

There is a chance that it may become visible in daylight, but for now you should keep an eye out around 5pm (45min after sunset) between now and the 15th Jan.

The place to look is about 7° above the horizon in the WSW (7° is about a fist's width held at arm's length).

Updated: now with some of my pictures

More information available here.

The comet will be visible in the SOHO and STEREO coronagraphs from January 12 to 15, so if your skies are too murky you can always follow along here.

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simon

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Possible daylight comet for Jan 2007 Simon - 01:29 11/01/07
Re: Possible daylight comet for Jan 2007 - my pics Simon - 19:47 06/01/07
Here are a couple of photos taken this evening (around 5pm) with my Kodak DX6490. They're 5 separate 7/10 of a second shots @ 80 ISO overlaid in PhotoShop. The second one has a slight tweak to the contrast and brightness.

Comet 2006 P1 McNaught

Comet 2006 P1 McNaught (brightness/contrast tweak)

I really must get a camera that doesn't twitter about trying to focus on infinity using edge detection. Still, better than nothing.

It's an impressive sight in binoculars.

Oh, and here's our local source of light pollution - Stonehenge Golf Driving Range on Larkhill.

Light pollution from Stonehenge Golf Driving Range

--
simon

Attachments...
JPG image (26 K) Comet 2006 P1 McNaught
JPG image (28 K) Comet 2006 P1 McNaught (brightness/contrast tweak)
JPG image (60 K) Light pollution from Stonehenge Golf Driving Range
Re: Possible daylight comet for Jan 2007 - light pollution Simon - 09:23 14/02/07
Here's another pic of the lights from Stonehenge Golf Driving Range at Larkhill, as seen from about 3 miles away, taken with a zoom lens.

Light pollutionIt's not even dark yet, and they're dazzling

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simon
Attachments...
JPG image (74 K) Blinded by the light
Re: Possible daylight comet for Jan 2007 - light pollution Bruce Ure - 09:44 14/02/07
would you get anywhere hassling them to do something about it?

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Re: Possible daylight comet for Jan 2007 - light pollution Simon - 09:55 14/02/07
I do plan to contact them at some point and ask if they've considered the impact their lights are having, both environmentally and energy-wise.

First time they got switched on after we moved here, I thought it was the military and was really surprised to find it was the golf course instead.

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simon

- Deleted User Account - 14:22 14/02/07
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Re: Possible daylight comet for Jan 2007 Simon - 13:08 08/01/07
Here's a nice photo taken with a Canon 300D this morning by a guy in Suffolk.

http://uk.geocities.com/martinmobberley/Comets.html - it's the one linked in at the top of the page: 2006 P1 (McNaught)

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simon

Re: Possible daylight comet for Jan 2007 - the discoverer's website Simon - 09:24 09/01/07
Rob McNaught's put a web page up with the background to his discovery of this comet and the very first images taken of it.

http://msowww.anu.edu.au/~rmn/C2006P1.htm

It'll be worth keeping an eye on, since he's in Australia and the southern hemisphere looks like it's in for a spectacular show when the comet passes perihelion and starts heading southwards to below the ecliptic.
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simon

Re: Possible daylight comet for Jan 2007 - 10th Jan pics Simon - 18:15 10/01/07
Just a quick one for now:

10th Jan2007 Comet 2006 P1 McNaught

Click the attachment link for a larger version, and for an overlay of 5 images.
--
simon

Attachments...
JPG image (58 K) 10th Jan 2007, Comet 2006 P1 McNaught from Figheldean
JPG image (58 K) Overlay of 5 images
Re: Possible daylight comet for Jan 2007 - processed images Simon - 01:05 11/01/07
This montage is from 6 sets of stacked movie frames taken with a Toucam through my 8" Meade scope.

Montage of Comet 2006 P1 McNaught stacked frames

--
simon
Attachments...
JPG image (46 K) Montage of stacked frames of 2006 P1 McNaught
Re: Possible daylight comet for Jan 2007 - stack of DX6490 images Simon - 01:28 11/01/07
This is a processed stacked set of photos taken with a Kodak DX6490 on 10th Jan 2007.

Stacked set of DX6490 images of 2006 P1 McNaughtClick the attachment link below for a larger version

--
simon
Attachments...
JPG image (52 K) Processed, stacked DX6490 images
Re: Possible daylight comet for Jan 2007 - stack of DX6490 images Bruce Ure - 06:57 11/01/07
Some fantastic pics here Simon, very nice.

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Re: Possible daylight comet for Jan 2007 Simon - 14:45 11/01/07
One of them's now on the BBC news website:

http://news.bbc.co.uk/1/hi/in_pictures/6251663.stm (and go to number 2 picture)

:-)

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simon

Re: Possible daylight comet for Jan 2007 Bruce Ure - 14:59 11/01/07
Fame! Will it still be visible tonight, do you reckon?

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Re: Possible daylight comet for Jan 2007 Simon - 15:42 11/01/07
Yup, it'll be a bit lower in the sky (it's heading around the Sun from 'top' to 'bottom' from our POV quite quickly) - but I'm going to try and see it again sometime around 5pm (it sets at 5.25pm).

You'll need a completely clear horizon 'cos it's only 3° above it at 5pm. Look to the south west and find Venus (very bright) and then look about a couple of clenched-fists' at arm's length distance to the right, and lower down in the sky.
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simon

Re: Possible daylight comet for Jan 2007 Bruce Ure - 15:53 11/01/07
Bugger, I'll not be able to make that, due to this horror they call "work". I hate not being my own boss.

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Re: Possible daylight comet for Jan 2007 David Crowson - 21:21 11/01/07
bugger also, it may be the flattest country in Europe, but I'm stuck in the middle of a city :( can't see the horizon for toffee....

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bombholio

- Deleted User Account - 21:58 11/01/07
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Re: Possible daylight comet for Jan 2007 David Crowson - 22:41 11/01/07
well, yes, they get in the way you see...
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bombholio
Comet 2006 P1 via the SOHO satellite Simon - 22:42 11/01/07
Starting around noon tomorrow (GMT), the comet will be visible via the SOHO satellite's cameras:

http://sohowww.nascom.nasa.gov/hotshots/
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simon

Re: Comet 2006 P1 via the SOHO satellite Simon - 20:08 13/01/07
Quick animation I've knocked up of the images so far from the SOHO C3 data.

See the attachment below. Notice how the camera on SOHO had its exposure adjusted to cope with the tremendous brightness of the comet (you can tell when the 'spikes' disappear from Mercury, which is the bright spot in the lower left.)

Addendum: NASA have done one too (.mpg rather than .mov)
--
simon

Attachments...
QuickTime [.mov, .qt] (2259 K) SOHO C3 image animation
Spaceweather McNaught photo gallery Simon - 00:53 16/01/07
Some really excellent shots posted here
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simon