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Astrophotography and Sketching >> Film Astrophotography

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Dave Kodama
sage


Reged: 10/04/10

Loc: CA, USA
Comet Panstarrs fading in Ursa Minor new
      #5921114 - 06/14/13 07:21 PM

From 8 June - Comet Panstarrs is circumpolar near the Little Dipper, fading away (mag. 9.9) - 30 minute exposure on E200 (+3 push) 6x9 medium format film:

http://www.astrocamera.net/2013/0608a/03a.htm

Dave


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THEPLOUGH
ELEVEN Grandchildren; FIVE Ducklings
*****

Reged: 01/11/08

Loc: Carlisle, Cumbria, ENGLAND
Re: Comet Panstarrs fading in Ursa Minor new [Re: Dave Kodama]
      #5921740 - 06/15/13 05:56 AM Attachment (18 downloads)

excellent...

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Michal1
sage


Reged: 07/25/10

Loc: Czech Republic, Central Europe
Re: Comet Panstarrs fading in Ursa Minor new [Re: THEPLOUGH]
      #5921838 - 06/15/13 08:54 AM

Finaly someone who shot this commet on film. Well done Dave.

May I ask you, how you produce the colored haloes around the stars? I've seen them many times in your photos and I like them. At my photos, they are captured only around the brightest stars like Deneb or Altair, or when the stars get foggy by clouds.

I hope you still have a lot of E200 films in your stock.


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Dave Kodama
sage


Reged: 10/04/10

Loc: CA, USA
Re: Comet Panstarrs fading in Ursa Minor [Re: Michal1]
      #5922132 - 06/15/13 11:49 AM

Michal,

I do generally like to shoot comets on film but sometimes it's less convenient because it's too low for my observatory setup or the time before setting is short. It also usually requires bracketing exposure due to the tricky lighting near sunset or sunrise. However, I still really like the look of comets especially on E200, which I do have a good stock.

By the way, I have my comet shots collected here on my web site. It doesn't have my oldest shots (Hale-Bopp) or newest (Panstarrs), but everything in between.

http://www.astrocamera.net/index-comets.htm

The haloes are due to slight scattering in the air here and also for long exposures, perhaps some scattering in the film itself. I don't do anything to produce the haloes in postprocessing. If I do anything, it is to reduce them!

Dave


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