3-camera Astrograph

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Telescope Design, and Construction

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AP1200 and FS-2

NC4863 Astrograph in 6' Dome

December 2016


NC4863 Astrograph

NC4863 Tube being machined by Master Machinist Dave King

December 2016

 

NC4863 Astrograph

NC4863 Astrograph in 6' Dome

December 2016

 

NC4863 Astrograph

NC4863 Mounted on AP1200

December 2016

 

NC4863 Astrograph

NC4863 Cross Section Optical Path

December 2016

 

NC1204 Astrograph

300mm focus F/4 Dual Camera Astrograph

NC1204 Off-Axis Guider and One Shot Color Camera Backyard Calibration prior to fielding

May 2015

 

NC1204 Astrograph

300mm focus F/4 Dual Camera Astrograph

NC1204 Off-Axis Guider and One Shot Color Camera Bench Testing and Alignment

May 2015

 

NC1204 Astrograph

300mm focus F/4 Dual Camera Astrograph CAD Layout

NC1204 Off-Axis Guider

April 2015

 

3-camera Astrograph

Semi-operational

September 1, 2014

 

3-camera Astrograph

3-Camera Astrograph in the Dome

Aug 2014

 

3-camera Astrograph

3-Camera Astrograph

On the Tower Deck

Aug 2014

 

3-camera Astrograph

Remote Interface Surgery

July 2014

 

3-camera Astrograph

Dome Fit Check 3-Camera Astrograph

July 2014

 

 

 

 

 

 

 

 

 

 

 

 

 

3-camera Astrograph

Dry Assembly of 3-Camera Astrograph

July 2014

 

3-camera Astrograph

Dry Assembly of 3-Camera Astrograph

July 2014

 

3-camera Astrograph

Computer Control RoboDome ready for mods.

July 15, 2014

 

3-camera Astrograph

Fit Check of 3-Camera Astrograph

July 15, 2014

 

AP1200 and FS-2

Compact Astrograph in RoboDome CAD Rendering

July 2014

 

AP1200 and FS-2

Compact Astrograph for the RoboDome CAD Rendering

July 2014

 

AP1200 and FS-2

 

 

AP1200 and FS-2

Spot Diagram for the 12" F/7 Schmidt Cassegrain over the full frame

April 2013

 

AP1200 and FS-2

Glass for the 12" F/7 Schmidt Cassegrain

April, 2013

 

AP1200 and FS-2

New F/4 18" focus astrograph installed on the mountain

April 2013

 

AP1200 and FS-2

New F/4 18" focus Astrograph ready for field deployment

April 2013

 

AP1200 and FS-2

Finish coat of paint for the Astrograph Body

April 2013

 

NC124 Sporting its new Home Sensors in the Dome

April 2013

 

Micro Switch Home Sensor for the RA of the G11 Mount

April 2013

 

Micro Switch Home Sensor for the Dec of the G11 Mount

April 2013

 

Added Micro Switch Home Sensors to the RA and Dec of the G11 Mount

April 2013

 

AP1200 and FS-2

Components with Primer Applied

April 2013

 

AP1200 and FS-2

CAD Rendering of a new F/4 18" focal length Astrograph

March 2013

 

AP1200 and FS-2

 

AP1200 and FS-2

 

12" F/3.2 Astrograph Performance in-process

 

12" F/3.2 Astrograph Performance in-process

 

12" F/3.2 Astrograph Performance in-process

 

AP1200 and FS-2

 

Medium Format Astro Camera February 2007

 

Medium Format Camera No Shroud

 

First Light OC2226 8" F/2.6 June 2005

First Light OC2226 8" F/2.6 June 2005

 

Focus of OC2226 using STL11K and 8" Stevick-Paul June 2005

Focus of OC2226 using STL11K and 8" Stevick-Paul June 2005

 

Energy On Detector OC2226

 

Blue Spot Diagram for OC2226

 

Green Spot diagram OC2226

 

OC2226 Red Filter Sopt diagram

 

OIII Spot diagram for OC2226

 

HAlpha Performance over Field OC2226

 

Spot Matrix 375 to 700nm Full Field

 

OC2226 Lateral Color

 

Completed OC2226 8" F/2.6 Astrograph June 2005

Completed OC2226 8" F/2.6 Astrograph

June 2005

 

Autocollimation Testing 8" F/2.6 Astrograph using Zygo Interferometer May 2005

Autocollimation Testing 8" F/2.6 Astrograph using Zygo Interferometer

May 2005

 

Clement Focuser Driven Primary Mirror May 2005

Clement Focuser Driven 10" Conical Back Aspheric Primary Mirror

May 2005

 

Optical Alignment Using Theodolite May 2005

Optical Alignment Using Theodolite

May 2005

 

Secondary Mirror Alignment to Secondary Support May 2005

10" Conical Back Secondary Mirror Alignment and Bonding to Secondary Support Structure

May 2005

 

Secondary Mirror Support Fit Check May 2005

Secondary Mirror Support to Baffle Assembly Fit Check

May 2005

 

Oc2226 Fit Check to G-11 Mounting April 2005

OC2226 8" F/2.6 Baffle Assembly Fit Check to G-11 Mounting

April 2005

 

Laminant Complete 8" F/2.8 OC2226 April 2005

OC2226 8" F/2.6 Baffle Assembly Laminant Complete April 2005

 

Laminant Prem Tube AssemblyOC2226 8" F/2.6

OC2226 8" F/2.6 Laminant Prep of Baffle Assembly

April 2005

 

OC2226 Tube Laminant Prep April 2005

OC2226 8" F/2.6 Laminant Prep of Baffle Assembly

April 2005

 

OC2226 8" F/2.8 Baffle Assembly January 2005

OC2226 8" F/2.6 Baffle Assembly

January 2005

 

8" F/2.6 Tube Baffle Structure Construction January 2005

OC2226 8" F/2.6 Baffle Construction

January 2005

 

NC124 First Light August 2004

3" F/4 NC124 First Light

August 2004

 

Star Testing 3" F/4 NC124

Star Testing NC124 using 8" Stevick-Paul

August 2004

 

Star Testing NC124

Star Testing NC124 using 8" Stevick-Paul

August 2004

 

NC124 During Construction Aug 2004

3" F/4 NC124

August 2004

 


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images and text ©2006 - 20014 Dave Erickson