Event calendar 2025
We regularly take part in various trade fairs and events that are aimed at the general public or specifically at specialist audiences. We attend these events either with our own booth as Baader Planetarium, or...
OUR LATEST Astro-Physics ARTICLES
Astro-Physics – High-end German Equatorial Mounts
HIGH-QUALITY PROFESSIONAL ASTRONOMICAL MOUNTS Astro-Physics 130mm/ f/6.3 StarFire GTX Refractor "Gran Turismo" Keeping to the same quality standards that have made the fully-apochromatic refractors legendary, Roland Christen's company has been building German Equatorial GoTo mounts...
APOD: Trifid nebula taken with PlaneWave CDK 17 on Rooisand Observatory
Impressive image, taken with PlaneWave CDK17, chosen as APOD (2017 October 20) Convince yourself of the high image quality of the combination CDK 17 and TV Reducer In spring of 2013, the turnkey "Rooisand Observatory" in Namibia...
Apochromatic Triplet Objective: Why oil-spaced lenses?
Why an oil-spaced triplet-lens? The first successful experiments with oil-spaced triplet-lenses were probably done by Wolfgang Busch from Ahrensburg, who had several discussions about this with Carl Zeiss Jena, back in the days of the...
