Observatory Systems
Observatory Systems 

CLAMSHELL DOMES

observatory domes  -   clamshell domes   -   roll-off observatories   -   telescopes   -   research

 

CLAMSHELL DOMES offer an unparalleled 360/180 degree field of view, with an absolutely stunning immersive nightsky experience. When this observatory dome opens up, you really are under the stars!

 

The clamshell dome is the preferred observatory dome for LASER COMMUNICATION and 

BIG-APERTURE telescopes. It is not necesary to sync the telescope to the dome. Both shutters can be independently moved and positioned to enable wind-shading of the optical group.

 

All our clamshell domes are equipped with strong belt-drive systems, employing industry-grade gearboxes, driven by powerful electric DC, or AC-motors. If you need rapid-deployement operation, we offer a special fast-opening shutter drive system.

 

In combination with our SRQ-200 DIMM station tower, our 3,75M clamshell dome is the right way to beat that nasty boundary layer!

 

 

DOME PARTS optical offers clamshell domes with diameters of 3.75M, 4.25M, 6M, 6,75M and 9.10M

 

Image provided by Dr. Steven Bloemen (BLACK GEM project), Radboud University, Nijmegen, The Netherlands.

Clamshell comparison sheet
DIMs.pdf
PDF-Dokument [321.1 KB]

3.75M CLAMSHELL DOME

 

quick take 

- footprint: inner diameter: 2.000mm

                 outer diameter: 2.100mm

- height, dome closed: 3.095mm

- height, dome open: 1.650mm

- shutters can be indepently opened

- height of the axles: 1.550mm

- weight: 585kg

- dual belt drive system

- color options (RAL, no metalics)

 

OPTIONS:

- acces hatch / door

 

 

Photo courtesy ShareMySpace, France

Astroshell-375M.pdf
PDF-Dokument [151.7 KB]

DESCRIPTION

The new Astroshell 3.75M dome is a state-of-the-art, fully automatic, very compact clamshell dome, with two independently moving shutters. An exceptionally small footprint of 2.100mm, makes it the ideal dome for a seeing monitor. We offer special steel towers for DIMM monitors.

 

This dome offers a 360 degrees unrestricted field of view. No sync hassle.

 

The supplied control system can be directly connected to mains power from 110VAC..220VAC.  Control by computer is easy with the integrated USB or ethernet interface.

 

A strong 24VDC based belt drive system for both shutters guarantees reliable operation, under all circumstances. Short opening and closing times make it the ideal dome for rapid deployment systems. In manual mode the shutters can be placed in any position.

 

Optional rapid deployment shutter drive available.

4.25M CLAMSHELL DOME

(LOW RISER)

 

quick take 

- footprint: inner diameter: 3.550mm

                 outer diameter: 3.700mm

 

- height, dome closed: 3.550mm

- height, dome open: 2.450mm

- shutters can be indepently opened

- height of the axle: 1.550mm

- weight: 600kg

 

 

OPTIONS:

- "just" the dome or on riser walls

- riser wall of 1,5M 

- several acces door options

- color options (RAL, no metalics)

Dimensions 4,25 M .pdf
PDF-Dokument [405.4 KB]

DESCRIPTION

The Astroshell low riser 4.25M dome is a state-of-the-art, fully automatic clamshell dome, with two independently moving shutters.

 

This dome offers a 360 degrees unrestricted field of view. No sync hassle. 

The supplied control system can be directly connected to mains power from 110VAC..220VAC.  Control by computer is easy with the integrated USB or ethernet interface.

 

A strong 24VDC based belt drive system for both shutters guarantees reliable operation, under all circumstances. Short opening and closing times make it the ideal dome for rapid deployment systems. In manual mode the shutters can be placed in any position.

 

Optional rapid deployment shutter drive available.

4.25M CLAMSHELL DOME

(HIGH RISER)

 

 

 

quick take 

- footprint: inner diameter: 3.550mm

                 outer diameter: 3.700mm

 

- height, dome closed: 3.550mm

- height, dome open: 2.450mm

- shutters can be indepently opened

- height of the axle: 1.550mm

- weight: 685kg

 

 

-- customization, colors, prices: contact us

 

 

 

 

OPTIONS:

- riser wall 2,2M

- several acces door options (small and standard size)

- several riser wall options

- shipment on two non standard pallets

- color options (RAL, no metalics)

CLAMSHELL DOME 4.25M DIMS v4.pdf
PDF-Dokument [204.4 KB]

DESCRIPTION

The Astroshell  high riser 4.25M dome is a state-of-the-art, fully automatic clamshell dome, with two independently moving shutters.

 

This dome offers a 360 degrees unrestricted field of view. No sync hassle. 

The supplied control system can be directly connected to mains power from 110VAC..220VAC.  Control by computer is easy with the integrated USB or ethernet interface.

 

A strong 24VDC based belt drive system for both shutters guarantees reliable operation, under all circumstances. Short opening and closing times make it the ideal dome for rapid deployment systems. In manual mode the shutters can be placed in any position.

 

Optional rapid deployment shutter drive available.

6M CLAMSHELL DOME

 

quick take 

- footprint: inner diameter: 4.800 mm

                 outer diameter: 6.800 mm

 

- height, dome closed: 5.380 mm

- height, dome open: 1.875 mm

- shutters can be indepently opened

- height of the axle: 1.750mm

- weight: 1200kg ++

 

 

OPTIONS:

- color options (RAL scheme)

-- customization, colors

 

DESCRIPTION

The Astroshell 6.75M dome is a state-of-the-art, fully automatic clamshell dome, with two independently moving shutters.

 

This dome offers a 360 degrees unrestricted field of view. No sync hassle. The dome is fully ASCOM compliant.

The supplied control system can be directly connected to mains power from 110VAC..220VAC.  Control by computer is easy with the integrated USB or ethernet interface.

 

A strong 220VAC  based belt drive system for both shutters guarantees reliable operation, under all circumstances. Short opening and closing times make it the ideal dome for rapid deployment systems. In manual mode the shutters can be placed in any position.

 

DESCRIPTION

The Astroshell 6.75M dome is a state-of-the-art, fully automatic clamshell dome, with two independently moving shutters.

 

This dome offers a 360 degrees unrestricted field of view. No sync hassle. 

The supplied control system can be directly connected to mains power from 110VAC..220VAC.  Control by computer is easy with the integrated USB  or ethernet interface.

 

A strong 220VAC  based belt drive system for both shutters guarantees reliable operation, under all circumstances. Short opening and closing times make it the ideal dome for rapid deployment systems. In manual mode the shutters can be placed in any position.

 

image: DOME PARTS optical

6.75M CLAMSHELL DOME

 

 

quick take 

- footprint: inner diameter: 4.800 mm

                 outer diameter: 6.800 mm

 

- height, dome closed: 5.380 mm

- height, dome open: 1.875 mm

- side door, the dome is always accesable

- shutters can be indepently opened

- height of the axle: 1.750mm

- weight:1600kg ++

 

 

 

 

OPTIONS:

-- customization, colors

 

Dimensions Astroshell 6.75M.pdf
PDF-Dokument [489.5 KB]

9.10M CLAMSHELL DOME

 

quick take 

- footprint: inner diameter: 6.800 mm

                 outer diameter: 9.100 mm

 

- height, dome closed: 6.675 mm

- height, dome open: 2.250mm

- side door, the dome is always accesable.

- shutters can be indepently opened

- height of the axle: 2.050mm

- weight: 3550 kg

 

 

 

OPTIONS:

- color options (RAL)

 

 

Dimensions
Astroshell-910.jpg
JPG-Datei [184.7 KB]

DESCRIPTION

The Astroshell 9.10M dome is a state-of-the-art, fully automatic clamshell dome, with two independently moving shutters.

 

This dome offers a 360 /180 degrees unrestricted field of view. No sync hassle. 

The supplied control system can be directly connected to mains power from 110VAC..220VAC.  Control by computer is easy with the integrated USB or ethernet interface.

 

A strong 110 or 220VAC based belt drive system for both shutters guarantees reliable operation, under all circumstances. Short opening and closing times make it this an ideal dome for rapid deployment systems. In manual mode the shutters can be placed in any position.                                                                                                                 

image courtesy Astroshell

All prices are tax free  -- all prices are in EURO (€)

DIMM station SRQ-200 towers

This DIMM station employs a state-of-the art modular tower construction for installation in the desert and remote  locations.

 

The SRQ-200 tower has internal cable conduits for secure power and data cabling. The upper platform level has hard-points for radio-link antenna's. We offer a special assembly for satelite uplinks.

 

The dome platform can be reached by a ladder with safety rings for secure climbing (taken ourt for clarity in the images).

 

Both the ladder- and dome-entry can be locked.

A stable platform accepts domes up to 3,75M and allows two persons in the dome during maintainance, or repair work.

 

Our strong proprietary hexagonal tower construction and the heavy cross-bar pier adpter system offer the extreme rigidity needed for DIMM applications in remote locations.

 

Water-tight equipment- and control- boxes are attached to two sturdy mounting plates between the lower pylone elements.

 

The control system for the clamshell dome is installed there as well, to make interfacing easy and straightforward. Control of the shutters can be done in the dome as well as on ground level. The clamshell dome has a dual shutter control system, that enables independent opening and closing of the dome shutters. 

 

DOME PARTS optical offers complete turnkey construction of the SRQ-200 tower system and the 3,75M clamshell dome. 

NEW: Check our GreenLine range of ROLL-OFF observatories..!

All prices are tax free  -- all prices are in EURO (€)

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