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Posts Made By: David Goldman

September 16, 2015 09:40 AM Forum: Digital SLR AstroPhotography

Double Cluster

Posted By David Goldman

Lovely image.

September 16, 2015 01:43 PM Forum: Refractors

AP130 GT and flared stars....

Posted By David Goldman

AP's don't have flared stars. Maybe your title should have read "Flared stars and why"?.

September 17, 2015 07:56 AM Forum: Astro-Physics

October 1, 2015 06:17 PM Forum: CCD Imaging and Processing/Deep Sky

Cocoon nebula

Posted By David Goldman


October 15, 2015 10:48 AM Forum: CCD Imaging and Processing/Deep Sky

Stephan's Quintet

Posted By David Goldman

Saw these guys a month ago "live" with a 16.

November 2, 2015 08:39 AM Forum: Pictures of Me and My Telescope and........

Full moon selfie

Posted By David Goldman

Rock on!...

December 29, 2015 04:18 PM Forum: Beginning Astronomy?

Opinion: 6" Achromatic vs 8" "AFC" SCT

Posted By David Goldman

If your main interest is lunar, planetary, double star and cluster observing, I recommend selling both of your scopes right here on AM. Then buy a good used 5"F/8 refractor right here on AM.

January 3, 2016 01:29 PM Forum: Landscape Photography

Evanston Lake View Sony A7R2- Canon 24-70 a lovel

Posted By David Goldman

Nice shot Bruce. Was just wondering when I can borrow it?

February 23, 2016 11:24 AM Forum: Home Observatories

Multiple telescope roll off question

Posted By David Goldman

My idea of an observatory is like this:

Roll off roof, either as one roof or split in two. This way you can keep either side open and the other side closed if desired.

Observatory floor built about 2-3 feet above the ground, elevated with wooden stilts. This allows venting, quick cooling, better seeing etc.
This also eliminates a floor slab that can radiate heat thru out the night destroying seeing. It's cheaper too.
Ones the piers are poured, build the observatory all around the piers.

Finally, make the observatory as big as possible...

Good luck.

March 22, 2016 09:18 AM Forum: CCD Imaging and Processing/Deep Sky

Leo duo

Posted By David Goldman