Baader Planetarium

Baader Planetarium: Over 50 Years of Innovation in Astronomy

From accessories to turnkey observatories

The company Baader Planetarium is a middle sized enterprise having 50 years experience in producing and installing astronomical equipment.

More than 600 observatory domes of sizes from 2 m up to 8.5 m have been mounted, together with a large number of projection domes for planetarium installations up to 10 m in diameter. Observatory domes serve for a multitude of applications for scientific use around the world specialized to work under the hardest of environments, with installations in Antarctica (Dome C - 84°C) to high Arctic regions such as Svalbard (NyAalesund -45°C), Ellesmere Island (Eureca -60°C), in desert conditions with hermetic seals against dust and a number of high Alpine locations. Also the company specializes in high end robotic telescopes with apertures up to one meter as European sole distributor of Planewave Instruments USA, telescope mounts of varuious configurations, Echelle spectrographs featuring a resolution up to 20 000 lambda/delta lambda under Licence of MaxPlanck Institution(MPI).

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  1.   Baader M43a x 1 / T-2a Adapter (e.g. for Vixen)

    # 1508037

    € 33.00 Price excl. German VAT tax (19%): € 27.73
    • Telescope-sided with M43 x 1 male thread, e.g. for Vixen instruments
    • Eyepiece-sided with T-2 (M42 x 0,75) male thread
    • This connection ring allows to connect e.g. a binoviewer or a ClickLock® eyepiece directly at the focuser with M43 x 1 female thread (e.g. Vixen / Lichtenknecker)
    • Optical path length only 3 mm
    • To use T-2 parts on a M43i x1 female thread (meaning a M43 female thread with 1mm pitch per turn), we recommend our Baader M43a x 0.75 / T-2a Adapter (e.g. for Takahashi) (#2458199 , € 37,-)
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  2.   V-Dovetail, 495 mm for Celestron RASA 8"

    # 2451735

    € 77.00 Price excl. German VAT tax (19%): € 64.71
    • V-Dovetail for Celestron RASA 8" optical tube, length = 495mm
    • Aluminium body provides a sturdy platform for accessories
    • Connects on the top of the Rowe-Ackermann Schmidt Astrograph 8" to attach accessories to the optical tube
    • Installs easily into the existing holes of the RASA 8" and is fastened with the screws that are included in the delivery of the RASA 8"
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  3.   Optical Wonder™ Set + LensPen

    Optical Wonder™ Set + LensPen

    # 2905010

    € 39.00 Price excl. German VAT tax (19%): € 32.77
    • Consist of 100ml Optical Wonder™ Cleaning Fluid, Cloth and Celestron LensPen™
    • Works on all sensitive optical surfaces
    • Dislodges dirt, aggressive aetherical oils from pollen and fat – dries up completely without leaving any residue or wipemarks
    • cleans without scratching: eyepieces, objective lenses – even mirrors (please see separate instruction)
    • With the LensPen cleaning pen that can never dry out, you can also reach areas that are not easy to access on small optical surfaces
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  4.   Baader UFC-Case, 3D-printed

    # 2459195

    € 75.00 Price excl. German VAT tax (19%): € 63.03
    • UFC-Case for filter sliders with mounted filter
    • Storage box with hinged lid holds all UFC filter sliders
    • By popular request, we have published not only the simplified print data of the UFC case, but also the data set with a screw connection as hinge (for DIN 912 M4x10 screws). The Baader UFC case can now be ordered or is available free of charge as a 3d printable file. This can only be assembled with a little more mechanical skill, as you have to cut an M4 or M6 thread on the underside of the case in each case. You will also need the appropriate screws, which you can normally buy at a DIY store. We do not deliver screws matching the print data ourselves and ask for your understanding.
    • STL files for free download are available under TAB DOWNLOADS. You only need to login with your customer account or register on our website.
      Please note:  The download file is licensed under the Creative Commons License CC BY-NC-SA 4.0. You may pass on the file under Attribution © Baader Planetarium GmbH as well as linking the license and indicating any changes. The file may not be used for commercial purposes. If the file is changed, it must be redistributed under the same license.
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  5.   Baader Reducer 1¼" / 24,5mmwith filter holder (T-2 part #10)

    Baader Reducer 1¼" / 24,5mmwith filter holder (T-2 part #10)

    # 2408191

    € 40.00 Price excl. German VAT tax (19%): € 33.61
    • Eyepiece barrel reducing 1¼ "on 24.5mm
    • With filter thread M28.5 for 1¼ "eyepiece
    • For clamping of eyepieces with 24.5mm diameter at 1¼ "eyepiece holder.
    • 6.5mm optical path length
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  6.   3.5 / 4nm  f/3 Ultra-Highspeed Filter-Set – CMOS-optimized (H-alpha / O-III / S-II)

    3.5 / 4nm f/3 Ultra-Highspeed Filter-Set – CMOS-optimized (H-alpha / O-III / S-II)

    From: € 722.00 Price excl. German VAT tax (19%): € 606.72
    • Baader H-alpha / O-III / S-II f/3 Ultra-Highspeed Filter Set – Premium Grade
    • 3.5 / 4 nm FWHM (to harmonize the exposure time from H-alpha with O-III / S-II), recommended for fast optical systems from f/3.4 to f/2.3
    • Specially designed for the special filter requirements when used with fast f/3 optics
    • For highest contrast even at strongest light pollution, minimizes star size, emphasizes finest nebula detail – indispensable under Bortle 9/8/7/(6) skies
    • Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)
    • Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim
    • Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies
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  7.   Baader winged rubber-eyecup 42/43 (Hyperion 68°)

    # 2454653

    € 14.00 Price excl. German VAT tax (19%): € 11.76
    • Winged straylight-shield/ eyeglassprotector: Excellent stray light shield against side illumination, fast fold down of winged shield
    • For Hyperion 68°&/Aspheric-eyepieces 31/36 mm - fits diam. 42 to 43 mm, 1.5mm min., clear-cut!
    • Material: high quality silicone - non-aging, no chemical softeners, non smelling, not getting brittle over time
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  8.   Mounting Block for counterweight shaft M14 Ø16

    Mounting Block for counterweight shaft M14 Ø16

    # 2451552

    € 61.00 Price excl. German VAT tax (19%): € 51.26
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  9.   Q-Turret 4x Eyepiece revolver

    # 2957010

    € 55.00 Price excl. German VAT tax (19%): € 46.22
    • Baader Q-Turret - Quadruple eyepiece turret 1¼"
    • Allows lightning-fast switching between different eyepiece focal lengths
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  10. Dargestellt mit eingebautem D-ERF Filter - nicht im Lieferumfang
    From: € 400.00 Price excl. German VAT tax (19%): € 336.13
    • Filter Frame for D-ERF Filter, Diameter 75 - 180 mm
    • No serial production - every filter frame will be adapted to your needs and professionally produced on our in-house 3D-printer (70-160 mm) or are CNC machined Aluminium (180 mm)
    • Filter frame offers complete safe and firm hold for the delicate D-ERF energy reflection filters
    • Only available in combination with Solar Spectrum H-alpha Filters and D-ERF Filters
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  11.   Baader M68/S68 steel change ring to fit Zeiss adapter system (dovetail-ring only)

    # 2458185

    € 108.00 Price excl. German VAT tax (19%): € 90.76
    • M68 changer for Zeiss adapter system
    • Hardened steel - no impressions in the mating surfaces of the dovetail may occur even with the greatest burden
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  12.   Temperature sensor for Steeldrive II, flat

    Temperature sensor for Steeldrive II, flat

    # 2957263F

    € 21.00 Price excl. German VAT tax (19%): € 17.65
    • Temperature sensor to compensate the drift automatically, if there are large temperature differences
    • Flat design, ideal to be attached to the optical tube
    • Temperature sensor with phone connector and 1m cable, also supports control of dew-shield-heating
    • Can be used with the Steeldrive II Motor Unit or Steeldrive II Controller
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  13.   14 mm Morpheus® 76° widefield eyepiece

    14 mm Morpheus® 76° widefield eyepiece

    # 2954214

    € 275.00 Price excl. German VAT tax (19%): € 231.09
    • Full field sharpness: The ultra-sharp 76° undistorted flat field is unsurpassed by any other modern wide field eyepiece. Also on-axis sharpness and contrast rivals our best, ever released planetary eyepieces, the Zeiss Abbe ZAO I & II.
    • Long Eye Relief and optimized for bino-viewing:  ~ 20mm of eye relief provides that famous spacewalk feeling, incredibly impressive with bino and both eyes.
    • Hard aluminium alloy with industrial quality UV-stabilized anodizing surrounds a set of 8 lenses with one ED- and two Lanthanum elements.
    • 2" and 1¼" nosepiece: integrated into one eyepiece of 55mm max outer diameter, supports bino-viewing even for kids.
    • Photo-Video Adaption: Like their Hyperion siblings, all Morpheus eyepieces make superb imaging projection optics with the M43 photo/video-thread
    • Large scope of supply: includes amongst others Hyperion / Morpheus® M43 extension (#2954250 , € 20,-) and Eyepiece-Holster for Morpheus® eyepieces (#2954202 , € 10,-) – further accessories see product description
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  14.   Steeldrive II Motor Unit

    # 2957265

    € 275.00 Price excl. German VAT tax (19%): € 231.09
    • High-precision focusing motor for heavy loads (up to 8 kg), incl. temperature sensor, supports temperature compensation.
    • Works with every Baader Steeltrack® focuser (Classic and Diamond)
    • Please note: The motor unit requires the Steeldrive II Controller (#2957260 , € 445,-) . You always need one controller to operate one motor unit. But you can use one controller with several motor units one at a time – you only need to plug it into the motor unit which you want to use.
    • Can also be used with other focusers like e. g. FeatherTouch. Adapters for other focusers are in development, but not included in the scope of delivery.
    • Contactless Homing Sensor enables precise homing and repeatable ap- proach of saved absolute positions – perfect for remote-observatories.
    • Can be controlled either with the powerful SteelGo II software or through the ASCOM driver. Needs Steeldrive II Controller (#2957260 , € 445,-)
    • Made in Germany: The housing is CNC-milled from Aluminium in our factory. The electronical boards are made by a German company according to our specifications.
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  15.   Baader M48 Spacer Ring for MPCC III / Protective EOS T-Ring

    Baader M48 Spacer Ring for MPCC III / Protective EOS T-Ring

    # 2458405

    € 20.00 Price excl. German VAT tax (19%): € 16.81
    • This M48-spacer ring is necessary for connecting the MPCC Mark III coma corrector at Baader Protective Canon EOS T-Ring
    • Use the full aperture of the M48 thread instead of M42 – in conjunction with the Baader protective CANON T-Ring
    • This M48 spacer ring is the necessary addition in order to mount the MPCC Mark III directly onto the Baader protective EOS T-ring while securing the correct optical distance of 55mm and by utilizing the full M48 unvignetted aperture
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  16.   Baader H-Beta Narrowband-Filter (5.5nm) – CMOS-optimized

    Baader H-Beta Narrowband-Filter (5.5nm) – CMOS-optimized

    From: € 185.00 Price excl. German VAT tax (19%): € 155.46
    • Baader H-Beta Narrowband Filter – Precision Grade
    • 5.5 nm FWHM, recommended for optical systems from f/15 to f/1.8
    • Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)
    • Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim
    • Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies
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  17.   Baader Machine-Grease #2 Teflon-White (-25°C–+40°C)

    # 2905110

    € 11.00 Price excl. German VAT tax (19%): € 9.24
    • suitable for temperatures from -25°C up to +40°C
    • this is the grease we use the most when refurbishing quality mounts – with brilliant slipping-properties, ultra low slip-stick tendency and longlife-stability
    • suitable for all European temperature-ranges
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  18.   Baader SLOAN/SDSS r'-Filter – photometric
    From: € 149.00 Price excl. German VAT tax (19%): € 125.21
    • Baader SLOAN-r' Bandpass Filter, suitable from f/15 to f/1.8
    • SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specification
    • Manufactured with most advanced ion beam coating technology / Daylight-Proof
    • Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)
    • Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim
    • Equally suitable for modern CMOS cameras as well as for older CCD camera technologies
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  19.   Baader Hyperion Finetuning-Ring, 28 mm

    Baader Hyperion Finetuning-Ring, 28 mm

    # 2958228

    € 20.00 Price excl. German VAT tax (19%): € 16.81
    • Focal lengths Fine Tuning for Hyperion eyepieces (all focal lengths)
    • Optical path length 28mm
    • Spacer rings fit between the negative lens and the 2 "barrel, so that it matches the respective eyepiece to your needs.
    • The 13 mm eyepiece transform e.g. no loss of quality in a 9- or 11 mm eyepiece.
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  20. Baader Steel Levelling Flange for ALT 7ADN Mounts

    # 2451161

    € 329.00 Price excl. German VAT tax (19%): € 276.47
    • Baader levelling flanges are used to adjust the unevenness of the foundation or the concrete pillar as well as other deviations of the substructure from the perfect north-south alignment. They adjust these imperfections as close as possible to the mount, very precisely and steady, without reducing the stability of the pillar
    • Suitable as a pillar adapter flange to the Baader conical steel pillar #2451210
    • Top plate precision milled flat and threaded to fit the base plate.
    • Height 270 mm
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