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APM Professional Telescopes

APM Professional Telescopes

1m F/8 Ritchey Chrétien with dual Nasmyth Foci, Cape Town (South Africa)

Another large telescope for the South African Astronomical Observatory (SAAO). An 1m F/8 Alt-Az mounted Ritchey Chrétien for robotic use. It has dual Nasmyth Foci. The main telescopes used for research are located at the SAAO observing station (32°22.795’S 20°48,657’E) near Sutherland in the Northern Cape, a 4-hour drive from Cape Town.

Software Download & Tutorials

 

Demetra tutorial

You’ll find all our Demetra video tutorials on this page.

Demetra is a free software package for processing spectra from the ALPY 600, LISA and eShel spectrographs from the Shelyak Instruments range.

 

Demetra: the FREE software that makes you want to do spectroscopy!
Download the version you need

 Demetra soft 2

Do you like simplicity?

Demetra manages data acquisition AND reduction, right through to the plotting of spectra.

Demetra soft 5

Like to share?

Demetra lets you display your spectra as soon as you’ve finished acquiring them.

 Demetra soft 3

Are you a headstrong, whimsical person?

Demetra helps you make sure you don’t forget anything, produce quality images and warn you if an important element is missing before closing the session.

 Demetra soft 4

Are you a rebel?

Demetra also knows how to let you take the initiative, leaving you in charge.

DEMETRA Tutorials – Our Youtube channel

Demetra is the operating software for Alpy 600, LISA, UVEX, eShel and Whoppshel spectroscopes.

Developed by Shelyak Instruments, it’s designed to help you produce quality spectra – with unprecedented ease.

You will find here our playlist of DEMETRA tutorials available on our Youtube channel.

 

 

Why DEMETRA

We are constantly striving to make spectroscopy easier and easier, so that it is accessible to as many observers as possible. Our experience in supporting new arrivals has shown us that data reduction – the process of extracting usable scientific information from raw images – is a complex phase for many. We wanted to create a tool that would greatly simplify this task, and provide practical help during observations.

With Demetra, we have set ourselves some ambitious goals:
– The software must HELP the user during observations, not impose an operating mode.
– The software must accompany the observer from acquisition to data reduction.
– Data reduction must be so simple that it can be done in a matter of seconds and a few clicks, immediately after observation. No more raw images sitting on your hard drive, waiting to be used… one day… maybe.
– Simplicity of use must be achieved while maintaining a high level of scientific quality. Demetra is designed to help the observer get the most out of his instrument.
– Data reduction must be highly automated, but must never cause the observer to lose control. There’s no question of making a “black box”, where we don’t know how it works. You remain in control of and responsible for the results you produce.

What is new with Demetra?

Ces objectifs nous ont conduit à des solutions inédites pour vous aider dans vos observations.
First of all, the data reduction process is at the heart of Demetra. It defines the images we need, and organizes them in a simple, visual way. It also ensures the high scientific quality of the results obtained.
Then, with Demetra, you don’t just produce (or exploit) images, you manage complete observations. An observation is a coherent set of images: images of your target, of course, but also reference images, calibration images and so on. Demetra uses a simple color code to identify missing data at a glance. With Demetra, there’s one golden rule: if my observations are Green, then I’ve completed my acquisitions, and I can go to bed!
Demetra also incorporates an “electronic dome notebook”, enabling all useful information to be recorded during the observation session.

Finally, the basis of quality observation is quality raw images. To achieve this, Demetra offers relevant tools right from image acquisition: display of the useful spectrum zone, real-time display of the observed spectral profile, automatic detection of image saturation, etc.

And best of all, Demetra is FREE. So you can test it freely, install it on several computers and share it with others.

Download Demetra: the latest versions

 
 

APM Professional Telescopes

1m F/8 Ritchey Chrétien with dual Nasmyth Foci, Cape Town (South Africa)

Another large telescope for the South African Astronomical Observatory (SAAO). An 1m F/8 Alt-Az mounted Ritchey Chrétien for robotic use. It has dual Nasmyth Foci. The main telescopes used for research are located at the SAAO observing station (32°22.795’S 20°48,657’E) near Sutherland in the Northern Cape, a 4-hour drive from Cape Town.

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Contact Us
Feel free to contact us if you have any questions

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