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November 6, 2026
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Your specialist in astronomy equipment in Switzerland
In Nyon, by appointment
Making the Right Choice
Which telescope should I choose?
Observation, photography, or the Sun: Answer a few questions to discover an initial option that fits your project and your budget.
Find My InstrumentLatest Article
ToupTek GS-100 PAPO: We Tested It, and It’s a Game-Changer for Guiding
I tested the ToupTek GS-100 PAPO. It is a 25/100 mm f/4 apochromatic guide scope with four elements and ED glass, which also functions as a wide-field imager. At…
Read the article
New
We've received a shipment of Sky-Watcher products!
There are plenty of telescopes available, so take advantage of this and start thinking about Christmas!
View SW inventory
Price range: CHF 345.00 through CHF 429.00
Our favorite smart telescope here at DSA!
CHF 1'199.00
Always in focus, excellent for planetary photography
CHF 119.00
The best entry-level model—the star of Christmas!
CHF 659.00
A Compact 100 mm Lens with Impressive Optics
CHF 439.00
The best-seller—and for good reason—
CHF 319.00
Excellent 150mm—a guaranteed connection to the sky
CHF 259.00
It's a great size to start with
Price range: CHF 219.00 through CHF 449.00
We can't keep this in stock for very long!
We are proud to distribute the leading astronomy brands.
Explore our equipment
To observe the sky and take pictures of it
Our In-Stock Products
Price range: CHF 299.00 through CHF 568.00
CHF 1'016.73
The filters used by the best
Blog posts
Our practical tips and the latest aviation news.
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November 5, 2026
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November 4, 2026
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November 3, 2026
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Training courses
Support tailored to your skill level, either remotely using PixInsight or with your own equipment under the open sky.
Online PixInsight Course
50 CHF /hour
A personalized course, at your own pace.
I'll guide you step by step through the preprocessing and processing of your black-and-white or color images, so you can understand each step and make progress in PixInsight.
Book My PixInsight ClassField Course
200 CHF the package
+ the facilitator's travel expenses.
Location and fees to be agreed upon via email.
Get hands-on with your equipment and improve your skills in observation or astrophotography during a hands-on session, either on your own or with a small group.
Schedule a field sessionKeep up to date with the latest news
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Our customers’ experience
Trust is built,
one review at a time.
Rating checked on 2 November 2026
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Rating: 5 out of 5
« Le propriétaire a expédié très rapidement mon colis de manière à ce que je le reçoive à temps. »
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Rating: 5 out of 5
« Superbe accueil et service. On ne peut que apprécier échanger avec Carlos »
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Rating: 5 out of 5
« Toujours de bons conseils. Bravo pour la réactivité malgré ma commande très tardive. »
Selected excerpts from recent Google reviews, in the original French.
Read all reviews on GoogleMeans of communication
Need help? We're here for you.
Email
For any technical questions, requests for advice, or order tracking, please contact us via email. Written communication allows us to provide you with accurate and well-researched answers. We respond in French, Spanish, and English.
WhatsApp & Voice Messages
Send us a WhatsApp message or voice note. These formats allow us to process your request quickly and provide you with an accurate response.
Phone calls are not monitored at all times.
In-Store Pickup
By appointment only.
Appointments are scheduled via email or WhatsApp.
The address will be provided when you schedule your appointment.
