Articles

Oklahoma Weather - Reprise

Posted by Ronald Abraham 10/26/2009 04:03PM   (Articles/Other-Articles/Other)

Difficulty finding holes in Oklahoma's clouds need not discourage people if they work together making lemonade.

Oklahoma Weather

Posted by Ronald Abraham 09/11/2009 04:05AM   (Articles/Other-Articles/Other)

Oklahoma Weather

Whether or not you area weathering the weather, the weather is weathering you.

Astronomy Clubs as Non Profit 501-C Organizations

Posted by Ronald Abraham 08/05/2009 07:00AM   (Articles/Other-Articles/Other)

Is your club growing? Shrinking? Here are some thoughts to get you thinking...

Comments on low cost, long focal length 2” widefield eyepieces

Posted by David Russell 08/02/2009 04:00PM   (Articles/Other-Articles/Equipmentoptics)

The market offers many options for low cost wide fields eyepieces, but they don't deliver sharp performance in the outer 20 to 30% of the field. My thoughts and a proposed solution.

Ultra-Low-Cost Fine-Focus Gear-Reduction Drive

Posted by Ron Masters 05/30/2009 12:42AM   (Articles/Other-Articles/Equipmentoptics)

Ultra-Low-Cost Fine-Focus Gear-Reduction Drive

A simple, $15 gear unit can give you a 3:1 focuser reduction drive that will work for any scope.

Meade 7” Maksutov, …Updated 5-18-09

Posted by Steve Hollenbach 05/18/2009 07:00AM   (Articles/Other-Articles/Equipmentoptics)

Meade 7” Maksutov, …Updated 5-18-09

You might get the impression I’ve become so obsessed with the Meade 7" MAK OTA, that I put too much into it. Yes, I’m really stuck on this one!

Astronomy Outreach at Camp Eberhart

Posted by Darren Drake 01/19/2009 08:00AM   (Articles/Other-Articles/Other)

Astronomy Outreach at Camp Eberhart

The Ultimate Outreach experience....

Meade 7 inch MAK revised

Posted by Steve Hollenbach 12/19/2008 08:00AM   (Articles/Other-Articles/Equipmentoptics)

Meade 7 inch MAK revised

After more work done on Meade's "BIG MAK" I have revised the counterweight article.

Focal Reducer for Meade 7" MAK

Posted by Steve Hollenbach 06/18/2008 07:00AM   (Articles/Other-Articles/Equipmentoptics)

Here's the third article of the three I had planned. Increasing the True Field Of View of the Meade 7" Maksutov.

Making the most of the Meade 7" MAK

Posted by Steve Hollenbach 06/13/2008 07:00AM   (Articles/Other-Articles/Equipmentoptics)

Making the most of the Meade 7" MAK

Meade's big MAK has very few drawbacks. Let's get rid of them!

The Magic Bullet for the SCT

Posted by Ronald Abraham 03/18/2008 07:00AM   (Articles/Other-Articles/Equipmentoptics)

Have you oiled your telescope today?

Monochromatic VS OneShotColor CCD

Posted by dietmar hager 03/09/2008 08:00AM   (Articles/Other-Articles/Other)

Monochromatic VS OneShotColor CCD

do these CCD necessarily have to be competitors?

Can't afford a 4" APO?

Posted by Gary Poliquin 12/17/2007 08:00AM   (Articles/Other-Articles/Equipmentoptics)

Yes, Tommy, there is a good 4" short focus achromat.