OUR LATEST Solar ARTICLES

On 12 August 2026, Germany will experience an impressive partial solar eclipse. Learn where to find an unobstructed view of the low Sun, how the atmosphere affects visibility and which protection is required for safe observation.

A practical test of the new AstroSolar® ClearWhite Safety Film OD 5.1 with a 155 mm refractor: visual impressions, photographic results and a direct comparison with the previous OD 5.0 film, complemented by a personal review of earlier methods of solar observation.

In June 2026, I was able to test a first sample of the revised version of the proven AstroSolar® film. The has a slightly higher optical density than its predecessor from 1999 and complies with...

The Baader Solar Projection Screen (BSPS) enables safe solar observation, particularly suitable for small groups. To give you the best possible information about this product, we have compiled some questions and answers on this page.

For a few days now, warnings have been circulating in which Amazon questions the safe use of AstroSolar® and Celestron EclipSmart® solar filters. In this blog post, we explain why these warnings are based on a misinterpretation, which technical and normative backgrounds are relevant and why both product lines are absolutely safe when used properly.

Baader Planetarium is delighted to highlight the remarkable achievements of solar astronomer Christian Viladrich, who has pushed the boundaries of Calcium K-line (CaK) solar imaging using our TZ-3S and TZ-4S Telecentric Systems. By employing innovative mirror coatings and double-stacked CaK filters, he captured high-resolution images of the solar chromosphere previously attainable only by professional observatories. Discover how our telecentric systems are opening new possibilities for solar astronomy.

Experience the most fascinating celestial events of the year 2024. Observe planetary conjunctions, impressive meteor showers, and special constellations. Learn more:

Mr. Rüdiger Proske tested the new Baader SunDancer II Telecentric System TZ-4S and compared it with the TZ-4. The comparison with the SolarSpectrum H-alpha filter was particularly exciting. His positive conclusion greatly inspires us.

Baader SunDancer II Telecentric System TZ-4S Delivers a plane-parallel, achromatic beam of light with 36 mm diameter Designed especially for H-alpha and CaK subangstroem etalon filters Includes a ½" filter cell for the 2...