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Pulsar Anti-Vibration Observatory Pier
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Pulsar Anti-Vibration Observatory PierPulsar Anti-Vibration Observatory PierPulsar Anti-Vibration Observatory PierPulsar Anti-Vibration Observatory Pier

Pulsar Anti-Vibration Observatory Pier

£499.00✓ 2 year warranty
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In stock shipped 1-2 working days.

About this product

Model:  pulsar_pier

Heavy duty, anti-vibration Pulsar Observatory Pier

Over 1000 Pulsar anti-vibration observatory piers are installed in observatories across the UK and EU and owners are delighted with its performance. 

Designed by Robert Dalby (over a decade ago!) this anti-vibration pier is essentially a variant of his earlier 'Astro Engineering AC421' design.  

 

Features

  • 6.5" diameter steel pipe with 6mm wall thickness. 
  • Welded top. 
  • Four wide stitch-welded steel fins that run almost the full length of the pier. 
  • 450mm diameter steel base. 
  • Finished in a black resin powder-coat (conveniently matches most matte-black touch-up paints). 

The materials and dimensions are of course important but so too is the welding because when two pieces of metal are welded together they are put under tension.  These tensions are understood and incorporated into the pier design.  When bolted to a flat concrete base, the Pulsar observatory pier is very effective at suppressing vibration (doesn't ring like a bell when struck)!  You will not need to fill it with sand the way you do with lesser designs! 

 

The adjustable platform myth*  

There is a myth that astronomy piers need an adjustable platform to achieve perfect level.  It is not true because a GEQ mount's RA axis is polar aligned, so is independent of the pier's top-plate.  This is fortunate because fitting a mount to an adjustable platform, that is in turn fitted to some stud bolts, defeats the purpose of having a solid all-welded pier.  But what about Azimuth rotation?  This isn't necessary either because astronomy mounts have integrated azimuth adjustment (it is however necessary to know where North is when fitting a pier to it's concrete base, but that isn't difficult).  

Pulsar's anti-vibration observatory pier does not have an adjustable platform.  Instead, it features a solid welded top that accepts a precision CNC-machined Multi Pier Adapter Plate (utilises the industry standard Meade bolt pattern) that accepts most GEQ astronomy mounts, including the following from Sky-Watcher and Celestron. 

Sky-Watcher EQ3-2 Pro, EQ5 Pro, HEQ5 Pro, AZ-EQ5 GT, NEQ6, AZ-EQ6GT & EQ6R-Pro. 

Celestron CG-5, AVX, CGem, CGem DX, CGX, CGX-L, CGE & CGE Pro. 

It will also fit the Bresser EXOS series and most Vixen style mounts including GP GPDX variants. 

A conveniently positioned 'Owls nest' provides easy access to the mount's central fixing bolt. 

Custom adapter plates are available by request for other mounts, including those from Paramount and 10 Micron. 

 

Specifications:

Height - 1125mm high. 
Base plate diameter - 450mm. 

The Pulsar anti-vibration pier is bolted directly to a suitable concrete floor or building block.  A pier fitting kit is available separately. 

 

Note: Please purchase with a Pulsar Multi Pier Adapter Plate to suit your mount. 

* This myth began, we suspect, because early DIY pier designs were based on a poured concrete or wooden pillar so required an adjustable platform.  An all welded pier does not.  These DIY designs spread via social media to such an extent that today even some commercially available piers unwittingly include the same adjustable platform! 

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