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GTAstronomyClub · Greater Tehachapi Astronomy Club
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Group Information

  • Members: 41
  • Category: Amateur
  • Founded: Aug 26, 2007
  • Language: English
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Activity within 7 days:

1 New Member - 1 New Message - 8 New Photos - 8 New Files

Description

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Founded in August 2007, the Greater Tehachapi Astronomy Club was created to foster amateur astronomy in Tehachapi, California, and surrounding communities. The GTAstronomyClub group is our way of sharing information and organizing activities. The Calendar lists local astronomy events. Check out the database of local observing sites. Post your astrophotos in the files section.

New to astronomy and need help picking or using a telescope? No problem--astronomers love to help others discover the wondrous heavens above. Send a message to the group and let us know what you'd like to do and see!

Most Recent Messages

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Do any of you folks get together to observe?
Or is there any GTA star parties? I visit Tehachapi every month or so (was raised there) and was just curious about that.
Posted - Wed May 23, 2012 4:55 pm
 Andrew
wordupjackson
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Re: Eyepiece for my 8" Orion XT 8?
Bob, You have received some good feedback already. I'd add that you could consider a Barlow instead of a 3.5mm eyepiece. The Barlow adds a multiplication
Posted - Fri Feb 3, 2012 4:37 pm
 Brandon Wood
wood1744
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Re: Local Observing Sites
Hi Bob, If you want someplace a little closer, also, anyone who is plagued by too many yardlights, etc. is welcome here. No streetlights and I have a large
Posted - Fri Feb 3, 2012 9:33 am
 palomarjack@...
palomarjack...
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Re: Eyepiece for my 8" Orion XT 8?
Here's my take; It's a rule of thumb I use. For every doubling of magnification you use, starting with about 4x per inch, you will use it half as much.
Posted - Fri Feb 3, 2012 9:19 am
 palomarjack@...
palomarjack...
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Re: Eyepiece for my 8" Orion XT 8?
Bob, This isn't going to be a short or easy answer. According to Orion's specifications for their XT8 Dobsonian the "Highest Useful Magnification" is 300X. 
Posted - Fri Feb 3, 2012 8:43 am
 Frank Moore
sevensojourn
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2012 10 1
2011 2 1 9 12 11 16 5 2
2010 1 3 7
2009 1 1 1 2 1 2
2008 4 7 2 6 5 9 7 16 24 5 1 1
2007 5 4 18 25 4
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