[Chaos-l] Manual Setting Circles with a Digital Protractor?

mlemon at bigfoot.com mlemon at bigfoot.com
Mon Jul 9 21:18:18 EDT 2007


http://www.cloudynights.com/ubbthreads/showflat.php/Cat/0/Number/937949/page/0/view/collapsed/sb/5/o/all/fpart/1/vc/1

This thread has an attachment with pre-defined degree circles that can  
be taken to Kinkos and blown up to match your base.

Quoting Mark South <md_south at mac.com>:

> Hi, I'm thinking of manually setting circles with my  15" Truss
> Discovery Dob and I have the Planetarium Program to give me up to the
> minute Alt/Az readings.(yes, I'm a die-hard starhopper, but I think
> sometimes it would be fun to do)... Most folks make their own circles
> for the base Azimuthreadings. Some use a digital inclimator for the
> Altitude which is quite accurate, but this is based on gravity.
>
> see: http://www.amazon.com/M-D-Building-Products-92346-SmartTool/dp/
> B0000225AL/ref=sr_1_2/002-9920927-7912819?
> ie=UTF8&s=hi&qid=1183940825&sr=1-2
>
> I was thinking... I would really like to avoid a hand-made circle.
> I'm lazy.  :)
>
> I wonder if a digital protractor would work for the horizontal  Azimuth
> for a full 360 rotation. Has anyone every tried to do this?
>
> Digital Protractors:
>
> http://www.smarttooltech.com/category.php?category=1
>
> cheaperversion:
>
> http://www.amazon.com/o/ASIN/B000BD7ADQ/
> ref=s9_asin_title_1-1966_g1/002-9920927-7912819?
> pf_rd_m=ATVPDKIKX0DER&pf_rd_s=center-3&pf_rd_r=09E7B98KAHMK16QH2YKQ&pf_r
> d_t=101&pf_rd_p=288448601&pf_rd_i=507846
>
> Topic about setting circles manually:
>
> http://www.homebuiltastronomy.com/ManualDobSettingCircles.htm
>
> Thanks,
> Mark South




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