Re: [ATM] Breathe through lightpath

["Lawrence D. Lopez" <lopez@mv.mv.com>]

Of course the best way is to be in a climate with 98.6 F temperature.
Right about now that sounds pretty good.

I had to hire a backhoe to widen my driveway.
Larry

Don R Surles wrote:
>
> just for kicks...on a cold night with your trusted 
> Schmidt-Cass...focus on a star, notice the quality of the image...then 
> rack the image out of focus until you have a huge "washer"...continue 
> to watch the washer and do not move your head.  You will soon start to 
> see amoebas and parameciums begin to ooze in the washer image...the 
> whole image will soon begin to swim around.  Yep, your 98.6F head is 
> heating the colder scope/primary/diagonal.
>
> mother nature puts all sorts of obstacles in our astronomical viewing 
> paths...fog, dew, heat, cold, atmosphere, layers of air currents 
> moving in all directions, daily temp changes as day moves to night to 
> day...and here on the east coast we even have a few critters named 
> mosquitoes who like to crowd around the eyepiece.
>
> just do your best and don't expect perfection.  the same conditions 
> that make Earth a nice place to live tend to hinder our views of the 
> night sky.  
>
> k sir rah.
>
> Don...
>
>
>
>
>
> *"Lawrence D. Lopez" <lopez@mv.mv.com>*
> Sent by: atm-bounces@atmlist.net
>
> 02/28/2008 02:46 PM
>
> 	
> To
> 	Arjan te Marvelde <Arjan.te.Marvelde@hetnet.nl>
> cc
> 	atm@atmlist.net
> Subject
> 	Re: [ATM] Breathe through lightpath
>
>
>
> 	
>
>
>
>
>
> Forgive me:   Breath mints.
> Forgive me:   So that why they turn blue.
>
> Actually, many people use a cloth shroud.
> Still, a warm hand under the optical path
> or a warm rock under the optical surely
> does the same thing.
>
> But the same can be said for the front of
> any optical system.
>
>
> Arjan te Marvelde wrote:
> > To all people with ultra-light open tube dobson telescopes.
> > I'm using one of those myself since not so long, but notice that it is
> > almost impossible to not breathe out through the lightpath. It causes
> > instantaneous bad seeing.
> > How do you deal with this? I cannot hold my breath for more than a 
> minute or
> > so...
> >
> > ... Arjan
> >
> > _______________________________________________
> > ATM mailing list http://www.atmlist.net/
> >
> >  
>
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