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Re: [APML] 'challenge'



Brian and Chris: I understand the spirit of the photographic challenge,
but also think that two scopes acting simultaneously and using only two
frames is ethical.  Respectfully, Stephen

Brian Lula wrote:
> 
> Hi Chris,
> 
> I agree with you Chris. The real "challenge" is how to optimize this event real time
> using innovative imaging techniques. It may not look as nice but that's not the point. It
> also makes for a level playing field with Saturn's brightness coming in to play.
> 
> Brian Lula
> 
> On 19 Dec 02, at 15:41, Chris Schur wrote:
> 
> > I have to strongly disagree with those who say its OK to composite an image
> > and think of it as anything like a challenge.  I can do that tonight, with
> > an atlas for a guide as to where saturn is going to be, and thats cheating.
> > Wouldnt it be clever, if we could think of a way to REALLY get the image,
> > real time?  Not some pasted together fake, but an actual image.  I can think
> > of several ways to do this.  My first thoughts are to shoot with the Ha
> > filter and CCD, and determine the maximum exposure in seconds so saturn just
> > doen not saturate.  Than add bunches of those, that can fit within a narrow
> > 10 or 15 minute time frame so saturn does not move very far between shots.
> > You will end of with (I hope!) a black and white REAL image, fully
> > appreciated by your peers as a worthy effort to the upcomming january 4th
> > challenge.
> >
> > Sorry I feel so strongly about this, but after Astronomy Magazine published
> > the moon-saturn paste up a number of months back, I shudder at the thought
> > of what things could come to if this is taken for granted.  I would like to
> > hear others thoughts on this, the use of masks for example during exposure,
> > or whatever.
> >
> > Ok, shoot me.
> >
> > Chris Schur
> >
> > -----Original Message-----
> > From: owner-astro-photo@seds.org [mailto:owner-astro-photo@seds.org]On
> > Behalf Of Matt BenDaniel
> > Sent: Thursday, December 19, 2002 2:00 PM
> > To: astro-photo@seds.org
> > Cc: direland@drdale.com
> > Subject: Re: [APML] 'challenge'
> >
> >
> > Dale,
> >
> > It depends on the "rules".  You could take a long exposure of the Crab
> > before Saturn crosses it.  Then you could take a short exposure of Saturn
> > as it crosses.  Assuming you register the images on the stars, would that
> > be "fair"?  It can even be accomplished without using any digital
> > technologies (although I would).
> >
> > Matt
> >
> >
> > Dale Ireland said:
> > > Saturn passes across the Crab Nebula Jan 3. That should be a real photo
> > > "challenge"
> > --
> > Matt BenDaniel
> > http://starmatt.com
> >
> >
> >
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> >
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> 
> Brian Lula
> Polytec PI, Inc.
> (508) 832-3456
> 
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