(meteorobs) OT -Question to Cloudbait Observatory.

[stange]

Thanks Chris I will check on the coatings.

Would love to speed it up....  My cheap capture card won't allow anything 
faster than 30 FPS. Eventually I must get the right hardware and do it 
right...... (sigh)

Larry
YCS

----- Original Message ----- 
From: "Chris Peterson" <clp at alumni.caltech.edu>
To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
Sent: 2008/12/20 10:45
Subject: Re: (meteorobs) OT -Question to Cloudbait Observatory.


> The order of the filters doesn't make any difference, unless they have 
> other
> properties as well. For instance, if one of them has an AR coating, I'd 
> put
> that one closer to the sensor to minimize internal reflections that might
> distort the image.
>
> BTW, since the main thing you're doing is cutting down the light, why not
> operate the camera at a faster shutter time instead? You still avoid
> saturation, but you get better spatial resolution in your individual 
> frames.
>
> Chris
>
> *****************************************
> Chris L Peterson
> Cloudbait Observatory
> http://www.cloudbait.com
>
>
> ----- Original Message ----- 
> From: "stange" <stange34 at sbcglobal.net>
> To: <meteorobs at meteorobs.org>
> Sent: Saturday, December 20, 2008 11:25 AM
> Subject: (meteorobs) OT -Question to Cloudbait Observatory.
>
>
>> Hello Chris.
>>
>> Appreciate your thoughts on stacking blocking filters.
>>
>> Is their any reason to select which filter should be in front if I use
>> BOTH
>> UV & IR?
>>
>> It is my intention to take meteor detonation photos using the IR blocking
>> filter alone and  taking photos with BOTH filters too for comparison. I
>> will
>> try both filters FIRST. Expecting the new PC164C around X-mas. My system
>> is
>> down now while I build the housing to fit the new camera, lens, and 
>> filter
>> dimensions.
>>
>> Thanks for any thoughts you or others might have on the leading filter
>> preference.
>>
>> BTW- I accidently took every photo to the present time with a UV filter
>> which was mtd.& left in to size the housing. So we do not know yet what
>> the
>> IR filter will do on meteors. :-(
>>
>> YCSentinel
>
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