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Pleiades Star Alcyone and Dusty Reflection Nebulosity

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Posts Made By: Dave Erickson

November 28, 2015 03:24 PM Forum: CCD Imaging and Processing/Deep Sky

M33 remake

Posted By Dave Erickson

Agreed, that is a nice image!

December 20, 2015 11:13 AM Forum: CCD Imaging and Processing/Deep Sky

January 18, 2016 06:17 AM Forum: CCD Imaging and Processing/Deep Sky

M 101 and comet C/2013 US 10 Catalina

Posted By Dave Erickson

Maciej, Very nice!

Best,
Dave

January 23, 2016 03:20 PM Forum: Telescope Making

41.75" (1060.45mm) reflector

Posted By Dave Erickson

Hi Charles,
Yep, thats a big blank. Considered briefly taking a similar project on, then helped my friend transfer ownership for another 40" mirror a few months back. It took 6 of us to move it into a truck by hand and it was in a welded mount with wheels.

As you appreciate first hand, its a lot easier to work massive optics when you are setup for it, we did them at the Perkin Elmer Garden Grove CA shop in the 80's-90's, we owned and worked with Boller and Chivens in Pasadena. Large machines for generating, grinding, an over head crane, large isolate test tunnels, and a roll off roof for star testing.

The Le1m is a good looking instrument!

Looks like a great project, your on the wrong coast for direct help so here is a wish for the best of luck!

Dave

February 28, 2016 07:50 PM Forum: Home Observatories

Areal shot of my rig

Posted By Dave Erickson

Here is another shot from lower altitude and facing east at sunrise...

April 4, 2016 06:16 PM Forum: CCD Imaging and Processing/Deep Sky

Supplement to Leo Duo in color- NGC 3628 Hamburger

Posted By Dave Erickson

Hi Marciej,
Fantastic work!

Regards,
Dave

April 4, 2016 06:18 PM Forum: CCD Imaging and Processing/Deep Sky

Leo Trio in color

Posted By Dave Erickson

Again fantastic...

April 16, 2016 11:18 AM Forum: ASTRONOMY

35 nights of astronomy 2016

Posted By Dave Erickson

Nice to have it all laid out! Hope the weather cooperates with your schedule...

April 24, 2016 11:42 AM Forum: CCD Imaging and Processing/Deep Sky

Comet C\2014 S2 passing by M 97 Owl Nebula

Posted By Dave Erickson

Hi Maciej,
very nice catch!
Dave

June 17, 2016 06:41 AM Forum: CCD Imaging and Processing/Deep Sky

Gamma Cygni IC1318 area Color

Posted By Dave Erickson

Here is the synthetic luminescence channel and a link to a higher resolution color image.

http://www.astrobin.com/full/252419/