From: Alan Friedman <alan@greatarrow.com>

Date: February 20, 2010 4:37:12 PM MST

To: Astro_IIDC@yahoogroups.com

Subject: Re: [Astro_IIDC] Re: Mars with a 74" reflector!!!!!!!

That's great Jim - congratulations to your son. We brought back Buffalo born made scientist Cliff Stoll for our dinner banquet here last year... he also demonstrated measuring the speed of light. Cool stuff.

Alan

On Feb 20, 2010, at 6:27 PM, Jim Chung wrote:

Alan,

I'll mail you & Milton a DVD of the movies.

If I can make it, I'd love to attend the Hamilton meeting on Apr 9th!
The only complication is that my son was chosen by his school to
compete in the Toronto Regioanl Science Fair which starts that day.
His topic: Measuring the Speed of Light with a Webcam and a Telescope!

Jim

Quoting Alan Friedman <alan@greatarrow.com>:

> Hi Jim,
>
> I can't make out the individual frames in this file, but the
> contrast in the lead frame seems very low. I would love to see the
> video you captured sometime if you have a chance to burn it to disk.
>
> BTW, I will be speaking for the Hamilton club on April 9th...
> perhaps some from Toronto might be interested in coming down?
>
> best,
> Alan
>
>
> On Feb 20, 2010, at 3:55 PM, jimchung2338 wrote:
>
>>
>> Thanks Milton & Alan,
>>
>> You know, I tried stacking automatically and hand selecting sharper
>> frames and still really poor results. I don't get it either. So I
>> shrank and downloaded 1 second of footage for you guys to study.
>> The raw stuff looks promising but after stacking I can't really get
>> any great improvement with sharpening tools.
>>
>> 1 second of red channel f=35m
>>
>> http://tech.groups.yahoo.com/group/Astro_IIDC/files/Planetary/MarsDDO.m4v
>>
>> And here's a stack of the red channel:
>>
>> http://tech.groups.yahoo.com/group/Astro_IIDC/files/Planetary/20100219_225559_LRed.mov_56PM.tif
>>
>> Jim
>>
>>
>
>