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Re: [OM] Transit of Venus (& solar filters)

Subject: Re: [OM] Transit of Venus (& solar filters)
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Wed, 06 Jun 2012 18:04:25 -0400
Thanks for the link but I've known about such kinds of filter material 
for more than 35 years.  I've not yet been inspired to buy some.  Too 
lazy I guess.

Chuck Norcutt


On 6/6/2012 3:11 PM, Maurice M. Greeson wrote:
> I shot the Transit with my Olympus E-PL1 Mirco 4/3rds body attached to a 
> Questar 3.5" Maksutov scope.  I used the supplied solar filters.  It was 
> cloudy and rainy all day until just before 8PM... Still had a lot of 
> turbulence.   Wonderful experience!  Here are 3 shots:  
> http://tinyurl.com/76ggcxl
>
>    Chuck, Thousand Oaks Optical has sheets of Solar filter material that you 
> can use to make up your own filters. It's way down on the bottom of this 
> page:  http://thousandoaksoptical.com/solar.html  I'm going to make a full 
> aperture filter for my Questar....
> Maurice
>
>   Jun 6, 2012, at 8:30 AM, Chuck Norcutt wrote:
>
>> Interesting that it's bright enough for a photo.  I thought about
>> observing it too but wouldn't subject my Celestron 8 to the sun without
>> a full aperture filter.  Too expensive.  I guess I'll just have to wait
>> another 100 years or so.  :-)
>>
>> Chuck Norcutt
>>
>>
>> On 6/6/2012 9:55 AM, Chris Trask wrote:
>>> Yesterday afternoon and evening were spent observing the transit of
>>> Venus.  None of us will ever have this opportunity in our lifetime,
>>> unless my goal of immortality proves successful (so far, it's
>>> working).
>>>
>>> I had earlier made a solar projection screen to fit on a smallish
>>> Tasco 60x600 telescope with a zoom eyepiece:
>>>
>>> http://www.flickr.com/photos/64004640@N03/7344944140/in/photostream
>>>
>>> I used it earlier to observe the recent solar eclipse, and
>>> occasionally use it to observe sunspots, though the angular
>>> resolution of a refractor of this size limits those observations to
>>> the larger sunspots.
>>>
>>> This is a typical photo of the transit of Venus, taken at 2130Z:
>>>
>>> http://www.flickr.com/photos/64004640@N03/7344944152/in/photostream/
>>>
>>> I took a few without any filtering, and more using a Wratten #15 deep
>>> yellow filter to highlight the sunspots.
>>>
>>> Chris
>> --
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>
> The mind does not understand it's own reason for being.    -- Rene'  Magritte
> ...because there is none.  Life is random.  --Ralph Shook
>
-- 
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