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Re: [APML] OT: Nikon D2H Astrophotography Tests
Hi Stuart
The skies will be excellent with very high transparency and seeing, the
two drawbacks 1)your white orb and 2) probably serious negative temps
which are long overdue. We should be in the -20 range at night now...
And now that we have a blamket of that white stuff on the ground all of
the downward lighting now shines up.
George Anderson
Montreal Canada
depressed after three weeks of cra* weather
Stuart Heggie wrote:
>
> Derek - maybe this year I'll finally make it to Starfest - last years I've
> ended up setting up in my yard or being clouded out so not wanting to make
> the trip. New Year's resolution time!
>
> Like you, I fully expect next weekend to be a fine one for clear skies with
> the one exception that there will be this bright orb in the way. I do plan
> to try for a ccd shot of the moon though so I have a plan 'B'.
>
> Stuart Heggie
> http://www3.sympatico.ca/stuart.j.heggie/Stuart.J.Heggie/
> Flesherton, Ontario, Canada
>
> ----- Original Message -----
> From: "DEREK BAKER" <derekb@sympatico.ca>
> To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
> Sent: Sunday, January 04, 2004 7:55 PM
> Subject: Re: [APML] OT: Nikon D2H Astrophotography Tests
>
> > Thanks Stuart. Yes, most were taken there or at Starfest this past August.
> >
> > Regarding the weather...you know how it works....we'll get those 10/10
> > transparency nights DURING FULL MOON in a week or so! Right?
> >
> > Arrrrgh!
> >
> > Derek
> >
> >
> > ----- Original Message -----
> > From: Stuart Heggie <stuart.j.heggie@sympatico.ca>
> > To: Discussion of Film Astrophotography <astro-photo@seds.org>
> > Sent: Sunday, January 04, 2004 12:59 PM
> > Subject: Re: [APML] OT: Nikon D2H Astrophotography Tests
> >
> >
> > > Derek - those shots were all taken in Halliburton? I think they are
> pretty
> > > fine!
> > > Stuart
> > >
> > > PS - Weather is simply unbelievable these days eh? Got one night of E200
> > in
> > > over the entire holiday. Sigh.
> > >
> > > ----- Original Message -----
> > > From: "DEREK BAKER" <derekb@sympatico.ca>
> > > To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
> > > Sent: Sunday, January 04, 2004 10:59 AM
> > > Subject: Re: [APML] OT: Nikon D2H Astrophotography Tests
> > >
> > >
> > > > Jerry
> > > >
> > > > I second Rob's congrats on an excellent review. Great detail and
> support
> > > > data (photos) in your usual easy-to-read style. It's nice to see
> another
> > > > highly experienced expert in the field wading into the realm of the
> DSLR
> > > !!!
> > > >
> > > > BTW: Hey! It's nice to see the all of you unfortunate Nikon folks have
> > > > something to use if they choose the DSLR option. It was getting lonely
> > out
> > > > here in "Canon-land" {snicker snicker :-) }LOL.
> > > >
> > > > Regarding the resolution issue....I recall that Roger N Clark
> > > quantitatively
> > > > determined that the Canon 10D's chip is capable of resolution/noise
> > > levels
> > > > equivalent to Fuji Velvia 50 colour film. That's pretty damn
> > good.....not
> > > > quite hypered tech-pan...but close. I would think that seeing would be
> a
> > > > limiting issue at that point. That tends to be my experience. Of
> course
> > I
> > > do
> > > > not live in a prime observing area with the Florida quality seeing and
> > > > Arizona transparency, so some of you out there may find the camera the
> > > > limiting factor in resolution, but here in southern Ontario Canada...I
> > > DO!!
> > > > :-)
> > > >
> > > > Perhaps we could ask Roger to post a link to his excellent resolution
> > > tests
> > > > for our perusal.
> > > >
> > > > Anyway, Jerry, I hope the Nikon D2H can deliver excellent
> > resolution/noise
> > > > performance for you. I will be interested in seeing what you get
> > shooting
> > > > through the AP130 that you know so well...I have an AP130 as well, the
> > > EDFS
> > > > version. You can check out some of my earliest shots with the Canon
> 10D
> > at
> > > > www.pbase.com\derek_baker I used the web site on a trial basis to get
> > > some
> > > > of my shots shared, but I can't download there anymore. They're old
> > shots,
> > > > I am NOT an astrophotography expert, and I have reprocessed some now
> > that
> > > I
> > > > have an newer version of the excellent program "Images Plus", but the
> > > oldies
> > > > are there to check out anyway......for what it's worth....
> > > >
> > > > cheers!
> > > >
> > > > Derek Baker
> > > >
> > > > ----- Original Message -----
> > > > From: Robert Gendler <robgendler@worldnet.att.net>
> > > > To: Discussion of Film Astrophotography <astro-photo@seds.org>
> > > > Sent: Sunday, January 04, 2004 8:13 AM
> > > > Subject: Re: [APML] OT: Nikon D2H Astrophotography Tests
> > > >
> > > >
> > > > > Jerry,
> > > > > Nice review. That must have been alot of work.
> > > > > Because of the way these cameras acquire color ( not all the pixels
> > > > > are used at once) they will not have the same resolution as the
> > > monochrome
> > > > > astronomical CCD cameras. Also the blue halos and distortion of the
> > > stars
> > > > > are more likely due to the performance of the 400MM F2.8 lens. These
> > > > lenses
> > > > > are not apochromatic or even close. CCD's will bring out all these
> > > optical
> > > > > flaws.
> > > > > With film the optical flaws of these lenses are masked by the
> overall
> > > low
> > > > > resolution
> > > > > of the image.
> > > > >
> > > > > Rob Gendler
> > > > > Email: robgendler@att.net
> > > > > Web site: http://www.robgendlerastropics.com/
> > > > > ----- Original Message -----
> > > > > From: "Jerry Lodriguss" <jerry@astropix.com>
> > > > > To: <astro-photo@seds.org>
> > > > > Sent: Sunday, January 04, 2004 5:09 AM
> > > > > Subject: [APML] OT: Nikon D2H Astrophotography Tests
> > > > >
> > > > >
> > > > > >
> > > > > > I've just posted some preliminary results of some test exposures
> > that
> > > I
> > > > > did
> > > > > > with the Nikon D2H digital camera for long-exposure deep-sky
> > > > > astrophotography.
> > > > > >
> > > > > > They are at: http://www.astropix.com/HTML/TESTS/D2H_A.HTM
> > > > > >
> > > > > > The camera looks promising with fairly good red and blue color
> > > > sensitivity
> > > > > > and low noise, especially when the in-camera noise reduction is
> > used.
> > > > > >
> > > > > > Jerry
> > > > > >
> > > > > > Photoshop for Astrophotographers -
> > http://www.astropix.com/PFA/PFA.HTM
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
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