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Equipment Discussions >> Video and Electronically Assisted Astronomy

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donnie3
Carpal Tunnel


Reged: 12/15/04

Loc: bartlesville oklahoma
another question please
      #6048136 - 08/27/13 02:19 AM

I took my Samsung 435 camera out last night and discovered one of the things I was not focusing on, FOCUS! this was the reason I was not getting good results. dumb me!!!! I went to a real bright star and focused on it. trial and error for a rookie. my question is about my mount (celestron se) on the hand controller it has a key for stars where do you find the catalog nombers for each star say for example I wont to find Polaris, what number do I enter. thanks, donnie

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Dragon Man
Carpal Tunnel
*****

Reged: 03/07/06

Loc: Snake Valley, Australia
Re: another question please new [Re: donnie3]
      #6048530 - 08/27/13 10:22 AM

Donnie, use the 'LIST' button and go to 'Named Stars'
Then you can find stars by name.

The 'STARS' button only uses the SAO numbers and practically no-one knows them without looking each one up in a book or online.
It is only good when you want to look at a star that doesn't have a name, but has a SAO number


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mclewis1
Thread Killer
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Reged: 02/25/06

Loc: New Brunswick, Canada
Re: another question please new [Re: Dragon Man]
      #6048584 - 08/27/13 10:54 AM

And I think Polaris is the only SAO # I know by heart ... 000 001. If you want Polaris I find it's faster to enter the SAO # than to scroll through the named stars list.

Donnie:

I find a reasonably bright star by itself useful for getting a quick and dirty focus. If you also have a Bahtinov focusing mask this is maybe all you'll need to do (it's an excellent way of getting a good accurate focus). I personally don't use a mask (too lazy to make one up so far ... lol) but I will also point at a brighter globular cluster (M13, M3, M5, etc.) and use that to fine tune my focus with a video camera. I look for faint stars in the cluster that just become visible when I'm in focus. I also find the clusters useful to check the quality of the stars in the corners of my fov.

Edited by mclewis1 (08/27/13 08:27 PM)


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donnie3
Carpal Tunnel


Reged: 12/15/04

Loc: bartlesville oklahoma
Re: another question please new [Re: mclewis1]
      #6048737 - 08/27/13 12:32 PM

thanks very much for the info, donnie

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