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 Post subject: Comet Pan-Starrs
PostPosted: Fri Mar 08, 2013 9:46 pm 
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Joined: Mon Sep 13, 2010 7:01 pm
Posts: 1236
Location: NW England
Greg, Bob, or anyone else hoping to get any pics of it? (weather permitting of course :roll: )

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 Post subject: Re: Comet Pan-Starrs
PostPosted: Sat Mar 09, 2013 3:33 pm 
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Joined: Sun May 25, 2008 12:48 pm
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Location: UK
First I heard of it, I checked the long range forecast. Yup, cloud!

It's a bit of an early evening object too, so it'll be difficult for me.

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 Post subject: Re: Comet Pan-Starrs
PostPosted: Tue Mar 12, 2013 2:48 pm 
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Joined: Fri Dec 28, 2007 3:05 pm
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Yep - I'm on the case :D
Greg

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Nexstar 11 GPS, 2 x Sky 90, M25C, MaximDL, Photshop CS3, Noel Carboni's Photoshop actions, 7 foot Pulsar fibreglass dome, Canon 40D, 100mm macro lens, 28-200mm zoom lens, 17-55mm f#2.8 zoom lens, 100-400mm zoom lens, 1.4x converter, 2x converter.
http://www.newforestobservatory.com/
http://www.flickr.com/photos/12801949@N02/


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 Post subject: Re: Comet Pan-Starrs
PostPosted: Sun Mar 17, 2013 4:49 am 
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Joined: Tue Jul 27, 2010 8:57 am
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Location: Winterpeg, Manisnowba, Canada
We finally had a clear (but still cold) night here, so I drove about 20 minutes out of the city to try and grab a few shots. I haven't had any time to stack the shots or play around with them much in LR or PS, but here's an 8 second sub at ISO 1600, 300mm at f4, slightly cropped and enhanced in LR.

Image

I did all my Pan-Starrs shots piggyback, with a very rough alignment. The comet itself wasn't too impressive; I couldn't make it out with my naked eye (I'm assuming because of the moon), and it was below the horizon within 90 minutes after sunset, so there was very little working time. I wasn't out there too long as it dropped down to -30 plus a brutal wind, which isn't a fun experience when you're standing on bald prairie.

Interested to see what you guys got, and if you have any tips on stacking or post processing comet shots.

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Gear: 7 Nikon Nikkor AI-S and AF-S lenses, SB-700 flash, Nikon D7000, Nikon FM, variety of accessories

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 Post subject: Re: Comet Pan-Starrs
PostPosted: Wed Mar 20, 2013 10:49 am 
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Joined: Fri Dec 28, 2007 3:05 pm
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Well caught!! Nothing but cloud here, mostly in the west of course, so no joy. Will try later with the scopes.
The way I stack comet shots is by taking the levels right down so you can only just make out the comet nucleus and then using a "one star stacking" routine. This will give you a clear comet with trailed stars. You can then stack the frames using a pair of stars and you'll get a good star field and an almost non-existent comet. Combine the two for a sharp comet with a nice star field :D
Greg

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Nexstar 11 GPS, 2 x Sky 90, M25C, MaximDL, Photshop CS3, Noel Carboni's Photoshop actions, 7 foot Pulsar fibreglass dome, Canon 40D, 100mm macro lens, 28-200mm zoom lens, 17-55mm f#2.8 zoom lens, 100-400mm zoom lens, 1.4x converter, 2x converter.
http://www.newforestobservatory.com/
http://www.flickr.com/photos/12801949@N02/


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 Post subject: Re: Comet Pan-Starrs
PostPosted: Tue May 28, 2013 4:21 pm 
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Joined: Wed Apr 15, 2009 4:53 am
Posts: 87
Location: Northern Sweden
Taken at a really dark site far from city lights in northern Sweden. Comet C/2011 L4 PANSTARRS, the Andromeda galaxy, the northern lights + some trees.
Image

Equipment
Samsung GX20 55MM F1.7 lens and an ordinary photo tripod.

Settings
ISO 1000, F 1.7, exspoure 20 sekunder

Editing
TLC i Lightroom and Photoshop

Black and white with 135mm ( stack of 10 frames and roughly the same settings as the previous ) C/2011 L4 PANSTARRS, the Andromeda galaxy and some more galaxies.
http://www.astrobin.com/39242/


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 Post subject: Re: Comet Pan-Starrs
PostPosted: Wed May 29, 2013 4:00 pm 
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Joined: Fri Dec 28, 2007 3:05 pm
Posts: 1134
Lovely image!!!!!
Greg

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Nexstar 11 GPS, 2 x Sky 90, M25C, MaximDL, Photshop CS3, Noel Carboni's Photoshop actions, 7 foot Pulsar fibreglass dome, Canon 40D, 100mm macro lens, 28-200mm zoom lens, 17-55mm f#2.8 zoom lens, 100-400mm zoom lens, 1.4x converter, 2x converter.
http://www.newforestobservatory.com/
http://www.flickr.com/photos/12801949@N02/


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