Baader Planetarium Blog Posts

  • Baader Universal Filter Changer (UFC): The UFC camera-side adaptors

    In this latest blog on the Baader UFC System, we will look at the UFC camera-side adaptors. At present there are nine (9) different adaptors that will allow cameras to be attached to the (camera-side) of the UFC Base unit. These are shown in the image below. The image shows the type of fitment to the camera (e.g. T-2, FLI etc), the product code and also the optical path length (thickness) of the adaptor (which is...
  • Observe now: Jupiter is changing

    For several months now, scientists have been observing that the Great Red Spot (GRS) on Jupiter is changing in an unusual way. On the following photo from 22.2.2019 – taken by the US space probe JUNO which is currently orbiting Jupiter –  you can see that the GRF had already started to change in February and is literally "flowing out". Credit: NASA/JPL/David Marriott ( This development is now so advanced that it can easily be spotted...
  • Baader Universal Filter Changer (UFC): The UFC Filter Slider

    In this, our 3rd part of the Baader Universal Filter Changer (UFC) system, we will look a little more closely at the UFC filter sliders. Below is an updated simplified diagram of the Baader UFC system. A general introduction you can find here, and the second part about the UFC Base here. Baader UFC simplified diagram   The image below shows the three UFC filter slider models available. More about these are individually discussed later. Baader UFC...
  • Manual Zeroing is not working, even though I followed the manual step by step. What am I doing wrong?

    Thanks for bringing this to our attention! On page 8 of the SD II Controller manual we have indeed noted an error. With variant 2 (manual homing), steps 1+2 must first be carried out as in variant 1, not steps 1-3 as incorrectly indicated. We apologize for the inconvenience. The corrected manual can be downloaded here.
  • Baader Universal Filter Changer (UFC): The UFC Base

    Baader UFC Base (Filter Chamber) telescope-sided S70 dovetail receptor (optical height: 13 mm) (#2459110, € 50,-) In the first part of this series of blogs about the Baader Universal Filter Changer (UFC), we gave a general introductory overview of the UFC system. In this second part, we will look more closely at the main component of the system - the UFC Base - and outline its features. In the UFC overview diagram below, the UFC Base...
  • Now available: Steeldrive II motor focuser with Controller

      UPDATE 09.04.2018: Steeldrive II Motorf focuser with Controller and accessories is now available. Detailed manuals, Sotware SteelGo II and videos can be found on our product page. We are pleased to present you the new Steeldrive II motor focuser with Controller (#2957165, € 595,-) !   After having presented the prototype of the Steeldrive II motor focuser with controller at the AME Show in Germany last September, the first production run is now almost...
  • C14 Edge-HD f/11 with 12.000mm focal length - "Mission Impossible" accomplished?

    Theory becomes Reality! Last weekend, on the 17th of February 2019, it seems I achieved my "mission impossible". With my C14 Edge HD f/11 and the Baader FFC 3x (on a 10Micron GM 2000 HPS mount) I was close to 12.000 mm (12 meters!) focal length. Myself and Baader Planetarium optimized my C14 Edge HD to dive into this performance. It looks just like a photo: Is a 4K / 30fps video live and in real...
  • Baader-UFC (Universal Filter Changer) – the ever-growing filter chamber

    The Baader Universal Filter Changer (or UFC for short) is a very versatile simple system for using, mounting and changing (or swapping) filters in and out of a light path. The UFC can be used for imaging where you may want to swap different filters (e.g. LRGB) between a camera and a telescope but do not want the bulk, or expense, of a filter wheel. The UFC can be used between a camera and a...
  • Hurry up to observe Comet C/2018 Y1 Iwamoto!

    C/2018 Y1 Iwamoto, Image from 12. February 2019, 24x50 seconds taken with RASA 8, UT 1.10, by Michael Jäger One more fine comet for binoculars As soon as comet Wirtanen has gone on distance to Earth, C/2018 Y1 Iwamoto enters the stage. It passes through the constellations of Leo, Cancer and Gemini and is currently visible all night long. The comet Iwamoto is just below the limit of perceptibility with the naked eye, and a...
  • Can I use the SteelGo II Software also with Windows 7?

    To successfully connect the SteelDrive II Controller with the SteelGo II Software using Windows 7, current virtual COM-port drivers need to be installed. Download:

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