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Posts Made By: David Brokofsky

January 2, 2003 06:20 PM Forum: Telescope Making

Artificial Star ?

Posted By David Brokofsky

thanks for the replies, I think I have enough info now to eiter build or buy a decent artifical star.

March 27, 2003 06:55 AM Forum: Telescope Making

Mirror grinding abrasive

Posted By David Brokofsky

Thanks for the site listings, I'll look at them and see what I can get.

December 28, 2004 12:34 AM Forum: Solar System Observing

DSLR of Comet Machholz

Posted By David Brokofsky

Nice Picture, definitely a hint of a tail that the eye (mine anyway) doesn’t' seem to pick up.

David

October 26, 2007 05:07 PM Forum: Comets

Comet 17P/Holmes is undergoing a spectacular erupt

Posted By David Brokofsky

Hi all,

I've been watching this comet for the last few nights. The coma is large and well defined along with a notable yellowish color. Last night using my SkyWatcher 120, I noticed that on one side of the come there is a definite flattening. I'm not sure what that means but I thought it was interesting just the same.

Anyone else been watching, what have you all seen?

October 29, 2007 01:52 AM Forum: After Dark

Holmes Sunday Evening

Posted By David Brokofsky

Yes, I too see what appears to be 2 nuclei, I'll probably make some additional observations through the night as there appears to be some background stars close to comet. If the additional nuclei is a background star, it will not move with the comet and a later observation (or 2) will confirm the "Background star" theory one way or the other.

David

November 1, 2007 03:35 AM Forum: Equipment Talk

CCD Building question

Posted By David Brokofsky

Thanks all for your suggestions, I may go with John's suggestion first and look at the modified web cam (extended exposure)bit. I like playing with web cams so this might be the route I need to go.

At any rate, I'll do some research and some trial and error and let you all know.

Thanks for all your suggestions. grin

David

February 21, 2008 05:10 AM Forum: Beginning Astronomy?

Mount & Tripod

Posted By David Brokofsky

I use a Synta 120mm Refractor (actually an older Skywatcher). For a mount I use an Orion EQ3-2. It's not the beefiest mount you can get but it's manual controlled and it's light enough I don't have to dismantle everything to carry it out to my observation site (my backyard)

The EQ3-2 has a dual controlled drive (both RA and DEC) so cold be used for things like web cam imaging, It also has the polar alignment scope and ranks decent in terms of stability (I wished it cold be a bit better though). All in all it's a decent performing scope and mount.

Hope that helps a bit smile

Chers.

February 29, 2008 06:44 AM Forum: Deep Sky Observing

A spring spiral observation project

Posted By David Brokofsky

This sounds like a lot of fun. I'll give it a shot. smile