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SEGA: The Planetarium for your home

December 1 2023, Stefan Taube

The special gift idea: Bring the stars into your Christmas home for you and your loved ones. The home planetariums from SEGA are the best choice here!

SEGA offers three models:

All variants have useful features, such as a timer and switchable shooting stars.

You can upgrade any SEGA home planetarium with additional high-quality slides. This means you can always new exciting patterns with Astronomy and other topics.

You can find all SEGA planetariums here in the shop. Additional slides are available under the brand names SEGA Toys, Astrial and Redmark.

Order the new version of the OCAL collimator now!

October 18 2023, Stefan Taube

The OCAL PRO collimator has revolutionised  precision collimation of reflector telescopes since its introduction in 2021! Now you can get an improved version of the collimator: OCAL V3.0 electronic collimator

Transportation and general usage can cause telescopes to lose their collimation. This is because the scopes’ primary and secondary mirrors shift position. The instrument can no longer show off its capabilities. An abundance of collimation accessories help to redress this.

The OCAL V3.0 uses a camera for this. This makes it unbeatably precise.

The OCAL V3.0 has an entirely new design:

  • Inside, it has an in-built, light-sensitive CMOS sensor. This makes collimation easier in poor light conditions.
  • Exposure time is also now only 1/20, compared to previous models.
  • The OCAL V3.0 has a much bigger lens than both of its predecessors.
  • The new OCAL V3.0 can achieve considerably higher resolutions. This makes images clearer, even in critical conditions and improves the precision of the results.
  • The new version comes with different adaptors.

You can find further information, price and purchase options using the following link: OCAL V3.0

Omegon polarscope additional light for Omegon MiniTrack mounts as well as EQ5, LX85, AVX etc.

October 5 2023, Achim Mros

We all know the problem – the black lines and crosshairs on a polarscope reticle can be difficult or impossible to see at night. Like a “Chimney Sweep at Night against a Black Background” (a painting by the German comedian Karl Valentin).
With this high-quality Omegon polarscope light, such problems are a thing of the past. The dimmable lighting unit brightens the polarscope’s field of view slightly, so that the crosshair is visible once again in front of your chosen section of the night sky, without outshining important stars such as, in this case, Polaris.
The Omegon polarscope light is made of high-quality CNC-machined aluminium, so it is not yet another flimsy plastic part. They are produced in the EU, more precisely in Portugal, by NIMAX Portugal.
What is particularly interesting, however, is that this supplementary illumination has a variety of uses. It fits all Omegon MiniTrack LX and Quattro travel mounts with optical polar finderscopes.

Attached to an Omegon MiniTrack polarscope

This device can also be used with mounts that do not have an illuminated polar finderscope unit, for example:

Skywatcher EQ5
Meade LX85
Celestron AVX

and with other equatorial mounts with an optical polar finderscope.

Omegon polarscope light on a Skywatcher EQ5 mount

Celestron NATURE DX binoculars now with ED lenses

October 5 2023, Stefan Taube

Binoculars from Celestron’s NATURE DX range are ideal for nature lovers and hikers. They are weatherproof, compact and lightweight – ideal for on the go!

However, the price of these binoculars is perhaps the most impressive thing. Although they have all the features of more expensive brands, they are offered at an exceptionally attractive price. This makes them the ideal companion for all hillwalkers, skywatchers and, in particular, for amateur bird watchers.

The latter benefit especially from the NATURE DX binoculars with ED lenses. The extra-low dispersion lenses provide true colour images at high resolution and contrast – with almost no colour abberations. This is particularly beneficial when observing colourful plumage on bright days.

Binoculars from the NATURE DX range are true all-rounders for all nature lovers!

Higher contrast for comet hunters: C2 Swan Band filter

September 29 2023, Stefan Taube


German manufacturer, Baader, has produced a new filter for 511 and 514 nanometre spectral lines which is available to fit both available filter thread sizes:

These Swan Band emission lines, which are named after their discoverer, are produced by carbon. They make up the majority of a comet’s gas tail in the visible spectrum. The filter only allows light from these two carbon wavelengths to pass through and blocks the ever-present light pollution. Structures within a comet’s gas tail, therefore, become more pronounced even in good observing conditions.

At the same time, it blocks the 501 nanometre OIII spectral lines. This increases contrast and makes it easier to distinguish comets with gas tails from comets with dust tails.

Both C2 Swan Band filters belong to Baader’s new CMOS-optimised filters:

Pre-order now: Celestron’s new StarSense autoguider

September 28 2023, Stefan Taube

StarSense Autoguider

As early as spring, the manufacturer Celestron announced their new autoguider, which makes astrophotography using a Celestron mount much easier: the new StarSense autoguider.

Although not likely to arrive before January 2024, we are offering you the opportunity right here to pre-order one, as demand for this very useful accessory is very high. Secure yours now!

Key features of the StarSense autoguider:

  • Automatic alignment: Thanks to Celestron’s patented StarSense technology, the telescope orientates itself within the night sky – with absolutely no user input. Just switch on, wait a moment, and you’re ready to go!
  • Precise GoTo: Improves you Celestron mount’s pointing accuracy and places celestial objects in the centre of the visual field, even when using high-magnification eyepieces and small camera sensors.
  • Autoguiding: Accurately tracks celestial objects for pin-sharp stars when taking long-exposure astrophotos. Makes a separate autoguiding camera, a guidescope and a guiding computer redundant.
  • Support for orientation: Uses an automatic process to align an equatorial mount as well as possible.
  • High-quality four-lens optics: unique optical design by famous lens designer, Mark Ackermann, with sharper optics than other mini-guidescopes.

Operation is extremely simple: The StarSense autoguider is simply attached to the telescope like a finderscope and connected to the mount’s aux ports.

StarSense Autoguider 

Additionally: If autoguiding doesn’t interest you and you are simply looking for something to help you to align your telescope (alignment), you can turn to the affordable and currently available StarSense AutoAlign module – also available for Skywatcher mounts.

The remote-controlled eagle – PrimaLuceLab Eagle

September 5 2023, Bengt Lindqvist

A comprehensive, intuitive to use WiFi and remote-control unit, no matter where, how, or what you need to control. No other system offers such a wide range of configurations, regardless of whether it is for controlling a camera, focuser motor, automatic flatfield box, or even the rotator. Operate two imaging devices simultaneously? It’s happy to help. Various connection options are available depending on the Eagle model you choose. The entire power supply runs via the Eagle and can therefore also be controlled and regulated. Tilt angle and motion sensor, absolutely no problem. From the Eagle 5 version onwards, these functions are fully available to you, not to mention the Eye sensor, which permanently measures the quality of the sky in the direction that your telescope is pointing. Windows or IOS – sure thing! N.I.N.A. or SharpCap, but of course! Put simply: if your preferred software is Windows-compatible, then the Eagle also supports it, without restrictions. It’s an open platform for the end customer.

Special features of the Eagle LE

You’re not keen on a Sesto Senso 2 motor focuser, and would rather work with a device of your own choosing? Happy to oblige. You will be able to connect it to the Eagle. In addition, you can use any software you choose. There are no limits here. We’ve all been there before. The camera freezes and will not deliver an image, what now? Pull out the plug? But let’s do that digitally. You can switch the Eagle and/or USB ports on or off remotely which can be tremendously helpful in tricky situations.

Even CPU-intensive image processing can be carried out on the fly thanks to powerful processors and a large memory, piggybacked on the imaging device of course! A full-feature, controllable Windows computer that leaves nothing to be desired, apart from the external power supply. 12 volts are required (max. 16 amperes), no matter whether power supply, power bank, or battery, and probably also the only downside. GPS, inclinometer, or even a humidity sensor; for the correct choices, depending on your requirements and setup, the following function and overview list should be a huge help. Should you still be unsure, our consultants will be happy to help you by telephone or e-mail.

Eagle series features

Key features depending on the Eagle model

  • WiFi – wireless connection
  • Ethernet – wired control
  • Remote On/Off – external access to turn the Eagle on and off
  • Remote On/Off USB – External access to turn the USB ports on and off
  • GPS sensor – location detection
  • Eye sensor – to monitor sky quality
  • Inclinometer
  • Motion detector
  • DARK mode– disables all LEDs on the Eagle
  • Industrial grade SSD/RAM
  • ECCO2– optional module to control dew heater temperature For automatic real-time monitoring, over and above the standard Eagle functions, equipped with a humidity sensor and an air pressure sensor.

New telecentric from Baader: TZ-4S Sundancer II

August 8 2023, Stefan Taube

Like a Barlow lens, a telecentric extends a telescope’s focal length. However, the telecentric generates a parallel optical beam. This is particularly important when using etalon filters for solar observation in H-alpha light.

The new Telecentric TZ-4S from Baader is perfect for use with the Sundancer II H-alpha filter. It replaces the integrated telecentric which has a 3x focal length extension. Thanks to the 4x focal length extension created by the TZ-4S, the ideal aperture ratio of f/30 is achieved, even with f/7 to f/8 optics.

The achromatic Telecentric TZ-4S is designed for the entire visible spectrum, and can therefore not only be used with H-alpha systems.

You can find more information here in our shop.

Back in stock: the StarAid Revolution autoguider

June 26 2023, Stefan Taube

StarAid Revolution standalone autoguider

Now back in stock: the latest ‘C’ version of the StarAid Revolution autoguiding camera

The new ‘C’ version no longer needs a splitter as power supply and data transfer both take place using a USB-C port.

What does the StarAid Revolution camera offer?

StarAid enables you to use your mount’s guided automatic tracking without the need for an additional laptop or PC. This means you can take long exposures of fainter celestial objects! This is known as autoguiding.

With the StarAid Revolution, this is unbelievably easy – autoguiding starts automatically as soon as the camera is connected to a power supply. Point the telescope anywhere in the night sky and the StarAid will find multiple stars which can be used for autoguiding.

Use the StarAid app and built-in WiFi for further interesting possibilities:

  • Very simple mount orientation
  • Mount initialisation using plate solving
  • Special object guiding for comets: Take long exposures of these fleeting objects!

StarAid Revolution works best with a guidescope with a short focal length between 100 and 150 millimetres, such as the UltraGuide MKII 32mm.

You can find additional information about the StarAid Revolution camera here in our shop.

New Homestar planetarium from SEGA: the Matataki Blue

May 30 2023, Stefan Taube

Planetarium Homestar Matataki Blue


SEGA, the Japanese manufacturer, is expanding its Homestar series of planetariums with a new model. The Matataki planetarium simulates the twinkling of stars and has an integrated loudspeaker that produces atmospheric natural sounds. Choose the sound of the sea, river, or mountain as your soundscape.

As with all Homestar planetariums, you can change the  Matataki’s projection disc and choose a new theme from a wide range. It comes supplied with two discs so you can enjoy your new planetarium experience immediately.

The planetarium also features a timer, so it can be used to lull children young and old to sleep.

The Matataki planetarium has a built-in battery that is recharged using a USB cable. This battery means that the planetarium can be used independent of any power supply.

More information, prices, and ordering options can be found here in the shop.

Planetarium Homestar Matataki Blue