[omaha] Meeting tonight

[Louis Dorland]

Measuring the parallax of Mercury enables the measurement of the Earth/Sun distance.

Timing the eclipses of the moons of Jupiter allows you to calculate the speed of light.

Louis 

> On May 19, 2017, at 1:50 PM, Travis Smith via Omaha <omaha at python.org> wrote:
> 
> Ditto on the talk--those projects were very impressive!
> 
> Louis:  so much content got covered, that it became a little difficult to
> comprehend the how you were able to do some of the things you showed us.
> If you'd ever like to do a deep dive on the Jupiter's moons analysis, I
> think that would be neat.  Sounded like you were using observations of the
> moons and then having Python deduce orbit times, but it wasn't clear to me
> how you were doing that.
> 
> Likewise, I thought the effort to standardize all of your images of the sun
> was very interesting, but I would like to see the code.  As I understand
> it, you were using some formula to orient the sun based on it's lat lon
> constuct, and using that you could standardize the images.  Deducing lat
> lon on a gaseous body is an interesting problem in its own right, and
> something I hadn't considered before.
> 
> Once you had that, you also incorporated a series of images from various
> observatories, all centered around the transit of Mercury in front of the
> Sun.  Combining that with your own telescope's observations, you showed us
> a superimposed image of Mercury, with offsets of the planet from each
> observatory, and told us that you could measure the speed of light using
> this image.  I believe you...but how?
> 
> My own reasoning:  if you know the distance between observation points, you
> can take the difference in position of Mercury, calculate parallax, and
> triangulate distance to Mercury in some way, but that wouldn't give you the
> speed of light...it would give the distance to Mercury.
> 
> This was a fascinating and long ranging talk, and it made me think.  Thanks
> for putting it on!
> 
> Travis
> 
> GPG Key: BFEB 7E65 04EB 184B A150 2E2C CC11 933F EE27 D86E
> 
> On Thu, May 18, 2017 at 3:00 PM, Bob Haffner via Omaha <omaha at python.org>
> wrote:
> 
>> Great meeting last night!  Very interesting talk by Louis.
>> 
>> 
>> Any speaking volunteers for June??
>> 
>> On Wed, May 17, 2017 at 7:33 AM, Steve Young via Omaha <omaha at python.org>
>> wrote:
>> 
>>> Hope you can make it.
>>> 
>>> May Meeting – Astronomy Projects with Python Tools
>>> WHEN: May 17, 2017 @ 6:30 pm – 8:00 pm
>>> WHERE: DoSpace Meeting Room 1
>>> 7205 Dodge St
>>> _______________________________________________
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>>> http://www.OmahaPython.org
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