Product Information

  • With the Baader M68-Tilter to perfect alignment

    The Baader M68 is a system that fulfils many wishes in an elegant way and with high stability. All distances can be set precisely, and with the Baader M68-Tilter (#2458170, € 239,-) an ingenious extension has been added to the system. But before talking about the tilter, let me tell you how I came to this system. When I was testing the prototype of the Baader FCCT (available from feburary 2022) for the RASA 8, I wished that the connection and collimation possibilities for the C14 were just as sophisticated. I have acquired enough experience so that I can "read" the image of the C14 so well that I know whether I am really seeing a tilt or just a problem with the distance. Of...
  • Free Download: 3d-printed flip mirror adapter for DADOS calibration lamp

      The Baader FlipMirror II Star Diagonal (#2458055, € 215,-) lets you the possibility to use a telescope visually and at the same time leave an instrument like a camera or a spectrograph permanently installed. As a third, lower port, it therefore offers a connection option either for an off-axis/autoguider via the Off Axis Guider for Baader FlipMirror II (BFM-OAG) (#2956951, € 115,-) or for a dedicated calibration lamp. To guide the light of the calibration lamp to the sensor, the FlipMirror is also mirrored on the back side. Our popular DADOS Slit – Spectrograph (#2458550, € 2225,-) can be operated with the FlipMirror, too to easily switch between visual observation/centering or setting the object and its spectroscopic measurement. The optional DADOS: Baader Calibration lamp...
  • Test review: BAADER ULTRA NARROWBAND FILTER, Francesco di Biase

      Mr. Francesco di Biase had the opportunity to test the new Baader Ultra Narrowband Filters 36mm in unmounted version in his small observatory with a sliding roof under a suburban sky (19.40 SQM). Among other things, the observatory is equipped with a 10micron GM2000 HPS II mount and a 12" GSO RC telescope, which he uses at full focal length with a KAI 4022 CCD sensor. We are very pleased about the positive feedback on the new CMOS-optimized Baader 3.5 / 4nm Ultra-Narrowband Filter-Set – CMOS-optimized (H-alpha / O-III / S-II) (various versions available) and his field report. Original: My general opinion on performance, supported by the tests carried out and my experience with other high-end products, is fully positive. I believe that they can...
  • A report on visual use of the Baader H-Beta 5.5nm CMOS filter

    In the summer of 2021 I approached Baader Planetarium to ask whether I could test the new Baader O-III Narrowband-Filters (6.5nm) – CMOS-optimized (various versions available) to explore its visual capabilities for binocular observation of galactic nebulae. To my delight and surprise, Messrs. Baader offered not only to provide on loan the 6.5nm OIII Filter which I had requested, but also a prototype of the Baader H-Beta Narrowband-Filter (5.5nm) – CMOS-optimized (various versions available) now available on the market – and to do so in pairs in both 1.25” and 2” filter cells! I must admit that, initially, I had no particular expectations of the 5.5nm filter. For I, too, had allowed the prevailing myths about H-Beta obervation to cloud my view. These myths include:...
  • Tips for Choosing an Energy Rejection Filter for H-alpha-Observations

    The purpose of an Energy Rejection Filter is to prevent as much solar energy as possible from entering the telescope in the first place and thus avoid excessive heating of the etalon of an H-alpha filter. This is done most effectively by a filter in front of the telescope. At the same time, this prevents the air in the tube from heating up - the telescope remains close to the ambient temperature, and there are no air turbulences inside of the OTA due to temperature differences. If we look at the solar spectrum, it becomes clear that such a filter must primarily block visible light. Ideally, it reflects the solar energy energy instead of absorbing it and and does not heat itself up in the...
  • Test review: Baader CMOS-optimized 5.5nm H-Beta Narrowband Filter

    Our customer Andreas Bringmann was one of our first testers of the new CMOS-optimized Baader Ultra-Highspeed F/2 filters. The all new f/2 Ultra-Highspeed Filters not only lead to amazing images but even enabled the photographic proof of the newly discovered planetary nebula StDr13, check out the detailed test review. Now Mr. Bringmann had the opportunity to test the new CMOS optimized Baader 5.5nm H-Beta filters: First of all, I would like to thank you very much for allowing me to test the new Baader filters and I can report that the new CMOS-optimized 5.5nm H-beta filter works photographically perfectly even at f/1.9! Andreas Bringmann, www.astrobin.com/equinoxx/ The new CMOS-optimized 5.5nm H-beta filter was compared against the old 8.5nm H-beta filter from 2014, which was in Mr....
  • A compact and lightweight scope for guiding: QHYCCD's miniGuideScope

    A lot of people who undertake astrophotography, whether they are beginners or seasoned amateurs, opt for high quality small aperture, short-medium focal length telescopes such as BAADER APO 95/580 CaF2 Travel Companion (#2300095, € 4225,-) or the 8" Celestron Rowe-Ackermann Schmidt Astrograph. These telescopes will give a relatively wide field of view allowing images to be taken of spectacular large celestial objects such as the North American Nebula, Andromeda galaxy, Orion nebula, Pleiades open star cluster and many many more. Guiding is essential for taking long exposure images of such celestial objects. Long gone are the days when your guidescope was a telescope that would be similar in focal length as your imaging scope and you would guide by looking at a star through a...
  • Baader L-RGB Filters – CMOS-optimized

    A brief introduction to the function of CMOS/CCD (L)RGB Filters Unlike terrestrial objects, astronomical objects shine in discrete emission lines. For this reason, any RGB-filter design with gently raising and falling slopes on either side of the transmitted spectral region generally is undesirable. The stars themselves obey to the laws of physics and shine by their stellar temperature colour - with a smooth, wide spectrum. This richness of colours can be covered nicely when adding an L-filter into the imaging process. However – shades and colour hues such as in earthly objects are not available when imaging the sharply defined emission spectra of deep sky objects. For this reason  the slopes on RGB filter curves ought to be produced extremely steep for each colour channel -...
  • Important System Driver Update Information - For All QHYCCD Cameras

    Breaking news from QHYCCD: QHY - Important firmware driver upgrade 9/21 Based on an update notification of the USB chip, we added a new API in the firmware of all QHYCCD cameras between 2021.7.10 and 2021.9.4. According to the description, we were expecting that this modification would increase the stability of the USB link. Unfortunately, however, we have received feedback from our users that it can cause a random crash in single frame capture mode on some computers. These random events can occur after some minutes or some hours or even longer time frames. To test these reports, we changed back to the system driver release before 2021.7 and have confirmed that without this new API the random crashes disappear. In order to avoid this...
  • NEW: Baader SunDancer II H-Alpha Filter – Test Review

    I was lucky enough to be able to "play" with one of the first SunDancer II H-alpha filters and see what it is capable of. Even though I am not one of the most experienced H-alpha observers, I have been able to observe the sun with the two H-alpha telescopes of the Observatory in Heilbronn/Neckar again and again for more than 20 years. These are a 20/20 H-alpha filter by Wolfgang Lille with 0.8Å on the 150/2250 refractor (which complements a classical prominence filter), and a Lunt LS-60 telescope. I freely admit that I find the concept of the Lunt convincing, especially for public observatories: a complete telescope with which nothing can go wrong. It's foolproof, which is especially important in an club where many...

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