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RICHARD COFER

VdB 141 Ghost Nebula

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Posts Made By: dan hilts

December 10, 2008 03:12 PM Forum: CCD Imaging and Processing/Deep Sky

stars and music

Posted By dan hilts
Neat stuff.

Since you opened up the topic, try this one. The photography is not a good though.

dan

http://dingo.care-mail.com/cards/flash/5409/galaxy.swf


January 23, 2009 11:44 AM Forum: Refractors

Trap a-e ?

Posted By dan hilts
It has been my experience with my 120mm achromat, that seeing conditions affect E and F far more than light pollution. When the seeing isn't the best E can drop in and out of view depending on just how much scatter there is at the moment and F just can't be separated from its bright companion. When the viewing is like that, higher power doesn't help at all. If anything high power just makes it worse.

dan

January 28, 2009 02:47 AM Forum: Reflectors

Re: check r.c. of convex surface

Posted By dan hilts
Hey John,

I like your thinking! I have a convex mirror, a laser and a 1.000" gauge block. I'll try your idea and see how it works.

dan

February 4, 2009 02:18 PM Forum: AstroMart FAQ

Re: 5 members, 5 ads, $32,000 Zero support

Posted By dan hilts
<< I would not buy from someone that has never supported AM. >>

Would you sell to someone who has never supported?

dan

March 3, 2009 06:01 PM Forum: Pictures of Me and My Telescope and........

Scope Photos from 2009 Winter Star Party

Posted By dan hilts
Hey Scott,

Michael's photos are great but he didn't include anything from the Chickee camp at the west end of the park. That's where the real fun is! Hope to see you there some time.

dan

March 5, 2009 09:47 PM Forum: Telescope Making

source of 8", 10" parabolic mirrors?

Posted By dan hilts
Dan Joyce makes smaller mirrors.


March 20, 2009 12:38 AM Forum: Telescope Making

Secondary Size

Posted By dan hilts
How far above the tube is the focal plane? (How tall is the focuser?)

dan

March 24, 2009 12:10 PM Forum: AstroMart FAQ

Something wrong with my account? No answers ad response.

Posted By dan hilts
Hi Chris,

I have experienced the same thing sometimes. Don't let it get you down. If the items advertised are popular, there can be a large volume of responses and it could be difficult to reply to them all. Other times, advertisers just ignore responses once a deal has been closed. Fortunately, that is not the way most folks work.

When I reply to an ad, I always click on the box to send a copy of my reply to my email. That way I know the reply was properly processed.

dan

April 2, 2009 07:26 PM Forum: Refractors

11" Lens

Posted By dan hilts
It seems that the central obstruction is rather large for an achromat. :S

dan

April 5, 2009 01:06 AM Forum: Eyepieces

Inexpensive low power EP?

Posted By dan hilts
Dennis,

I have two of the 2" Antares 32mm Erfles. They are excellent at F12.5, great at F8 and pretty dang good at F6. This eyepiece has the advantage that it is not exceptionally heavy and not overly tall if that is a concern. These are pretty rare used but they are available for $70 or so brand spanking new. I don't think you would regret getting one of these.

dan

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