New UVEX by Shelyak : first light

New UVEX by Shelyak : first light

Postby Olivier GARDE » Tue Jul 14, 2020 3:22 pm

Here's the prototype of the UVEX by Shelyak, all metal parts.
Image

On this UVEX is fixed :
- The ALPY 600 auto guiding module
- The ALPY 600 calibration module
- A CMOS sensor for science image (ASI 183 MM Pro)
- A CMOS sensor for auto guiding (ASI 174 mini)

With this UVEX, it's very easy to change the grating without opening the spectrograph. You have just to unscrew a large button and change the grating support.
Image

Image
You can have different grating support and change it quickly

Image

For the first light, the UVEX is put on a RC12 at f/8

Image

And the first spectrum on Vega, 21 exposures of 1/2s each.

More to come and some results with an article on the Shelyak website, available soon...
Last edited by Olivier GARDE on Tue Jul 14, 2020 4:31 pm, edited 1 time in total.
LHIRES III #5, LISA, e-Shel, C14, RC400 Astrosib, AP1600
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Re: New UVEX by Shelyak : first light

Postby Michel Verlinden » Tue Jul 14, 2020 3:29 pm

Super nouvelle !
Le visuel des pièces donne l'eau à la bouche. Vivement la suite !
Merci !
Michel Verlinden
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Re: New UVEX by Shelyak : first light

Postby Ken Hudson » Tue Jul 14, 2020 5:03 pm

Thank you for posting this Olivier. This is wonderful!! I am very excited to continue watching the progress of the great new instrument!! Congratulations on your significant progress.

Friendly, Ken
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Re: New UVEX by Shelyak : first light

Postby James Foster » Wed Jul 15, 2020 9:52 am

Looks good! Hope we can get custom gratings like Christian did in his prototype to work
with Shelyak Uvex; like the Thorlab 300 l/mm blazed at 1 micron!

Wonder if we can buy it without the calibration&guide module, since I already have an Alpy600 with these.

James
James Foster
eShel2
Lhires III (2400/1800/600 ln/mm Grat) Spectroscope,
LISA IR/Visual Spectroscope (IR Configured Presently)
Alpy 600 with Guide/Calibration modules and Photometric slit
Star Analyzer 200
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Re: New UVEX by Shelyak : first light

Postby Olivier GARDE » Wed Jul 15, 2020 5:50 pm

James Foster wrote:Looks good! Hope we can get custom gratings like Christian did in his prototype to work
with Shelyak Uvex; like the Thorlab 300 l/mm blazed at 1 micron!

Wonder if we can buy it without the calibration&guide module, since I already have an Alpy600 with these.

James


Hi James,
Of course, the UVEX will be offered alone and can be completed with a autoguiding or calibration module and with several types of grattings.
shelyak is also developing a motorization for the focusing and the wavelength range to be able to remote control the UVEX.
LHIRES III #5, LISA, e-Shel, C14, RC400 Astrosib, AP1600
http://o.garde.free.fr/astro/Spectro1/Bienvenue.html
Olivier GARDE
 
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Joined: Thu Sep 29, 2011 6:35 am
Location: Rhône Alpes FRANCE

Re: New UVEX by Shelyak : first light

Postby Francois Teyssier » Thu Jul 16, 2020 10:48 am

Excellente nouvelle!

Y a t-il une idée de la date de commercialisation ?

Bonne continuation

François
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Re: New UVEX by Shelyak : first light

Postby Olivier GARDE » Thu Jul 16, 2020 12:11 pm

Francois Teyssier wrote:Excellente nouvelle!

Y a t-il une idée de la date de commercialisation ?

Bonne continuation

François


En principe courant octobre.
LHIRES III #5, LISA, e-Shel, C14, RC400 Astrosib, AP1600
http://o.garde.free.fr/astro/Spectro1/Bienvenue.html
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Re: New UVEX by Shelyak : first light

Postby Peter Velez » Thu Jul 23, 2020 1:46 pm

I had best place a pre-order Olivier - looks like quite an instrument

Pete
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Re: New UVEX by Shelyak : first light

Postby James Foster » Fri Aug 14, 2020 8:15 pm

Peter Velez: "I had best place a pre-order Olivier - looks like quite an instrument"

I had that idea too, but my sudden acquisition of an eShel may put this off financially for awhile!
I may retrofit my lhiresIII for UV with the modified Atik414ex camera; modified with Quartz window for better UV penetration.

James
James Foster
eShel2
Lhires III (2400/1800/600 ln/mm Grat) Spectroscope,
LISA IR/Visual Spectroscope (IR Configured Presently)
Alpy 600 with Guide/Calibration modules and Photometric slit
Star Analyzer 200
James Foster
 
Posts: 395
Joined: Sun Jan 24, 2016 7:14 am

Re: New UVEX by Shelyak : first light

Postby Peter Velez » Sun Aug 16, 2020 12:29 am

I totally get it James - its not a cheap hobby. As my favourite local astro shop owner used to tell me, owning a boat or a racehorse is a much more dangerous pastime.

Are you able to share the details of the replacement sensor window with me? I have looked on the Thorlabs website and can't work out what I need for the Atik 460EX. If I do end up with a UVEX (as I hope), some more sensitivity in the UV would be a bonus.

Pete
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