Re: [APML] Comet Bradfield visits Greenbank Telescope

["Chris Cook" <ccjd@ix.netcom.com>]

Hi Jeff -

A very cool setting!
I love the colors in the digital image but the comet rules in the film one.
The film image could be darkened IMO.

Nice.  Glad you had clear skies!

Chris

----------------------------------
Chris Cook
Astronomical & Nightscape Photography
www.abmedia.com/astro


-----Original Message-----
From: Jeff Ball <jeffball@astro-photography.com>
To: 'Discussion of Film Astrophotography' <astro-photo@seds.org>
Date: Friday, April 30, 2004 10:38 PM
Subject: [APML] Comet Bradfield visits Greenbank Telescope


>Hello all,
>This is my first run at processing the film image.  I have one other not
>yet processed that might work.  The reason I say that is that I have an
>apples and oranges comparison.  I shot both digital and film on this
>morning.  I normally do this on landscape to take advantage of the
>larger print size available with the medium format vs. the Canon 10D.  I
>use the digital to setup composition and exposure to minimize the amount
>of bracketing needed with film.  The problem with the comparison is that
>the film image is in much darker lighting conditions than the digital
>and therefore is more noisy.  To be honest, I went with the lighter
>digital image because I found it more appealing and I wasn't sure I
>could manage the noise very well.  I think I have one film image shot in
>more twilight.  I really like the time where you get some warm twilight
>with the comet just above the brightness with some contrast still
>available.  The window for this timing was very narrow and was what gave
>digital the advantage in timing this moment of light.  I used Noise
>Ninja for the first time and I am sure I am not totally utilizing the
>power of the software.  I think most of the details are on the webpages,
>but I basically shot at ISO 800 and 30 seconds per Chris Cook's previous
>work.  The tail contrast is definitely better with the film.  It has
>been interesting to work with the data.  I will update if things change
>dramatically.
>Here is the film image:
>
>http://www.astro-photography.com/comet_bradfield_film.htm
>
>Here is the digital
>http://www.astro-photography.com/comet_bradfield.htm
>
>
>Best regards,
>Jeff Ball
>www.astro-photography.com
>
>
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