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 S-II 2" unmounted (Ø 47,4 mm) f/2 Ultra-Highspeed-Filter (4nm) for FCCT – CMOS-optimized

    # 2961528U

    € 354.00 Price excl. German VAT tax (19%): € 297.48
    • 47.4 mm (2" w/o cell) x 2 mm Baader CMOS S-II f/2 Ultra-Highspeed Filter – Premium Grade
    • 2" Filter removed from filter cell, specially selected for use with 2" Filter sliders of the Baader FCCT (Filter Changer Camera Tilter) for RASA 8" and QHY cameras (various versions available)
    • 4 nm FWHM , recommended for extremely fast optical systems from < f/2.3
    • Specially designed for the special filter requirements when used with extremely fast f/2 optics like the Celestron RASA astrographs
    • 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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  2.   Baader TAK (Sky90) Adapter M64x0,75mm / M68f (Zeiss)

    # 2458231

    € 54.00 Price excl. German VAT tax (19%): € 45.38
    • Adapter M64 x 0.75mm on Zeiss M68
    • Converts existing Takahashi M64 male thread into Zeiss M68 female thread
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  3.   Baader S-II Ultra-Narrowband-Filters (4nm) – CMOS-optimized
    From: € 248.00 Price excl. German VAT tax (19%): € 208.40
    • Baader S-II Ultra-Narrowband Filter – Premium Grade
    • 4 nm FWHM, recommended for optical systems from > f/3.4
    • 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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  4.   Baader Machine-Grease #1 Teflon-Brown (-15°C–+55°C)

    # 2905105

    € 11.00 Price excl. German VAT tax (19%): € 9.24
    • suitable for temperatures from -15°C up to +55°C
    • very good dampening characteristics, very suited for enabling "less than perfect" mount drives to run smoothly
    • Not suitable for permanent use below -10 °C
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  5.   Baader UBVRI Bessel I-Filter – photometric
    From: € 158.00 Price excl. German VAT tax (19%): € 132.77
    • Baader UBVRI-I Bandpass Filter, suitable from
    • Classic photometric filter with transmission according to Bessel – parfocal with all Baader filters of the same size
    • 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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  6.   Baader T-2 Conversion Ring

    # 2958110

    € 29.00 Price excl. German VAT tax (19%): € 24.37
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  7.   Baader Medium Pillar (BMP) Levelling Flange For ME/ME II Paramount Mounts

    # 2451180

    € 380.00 Price excl. German VAT tax (19%): € 319.33
    • 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 pillarC
    • Consisting of two solid Steel Plates 1" thick, separated by six 1.5" steel bars 4" long
    • Overall height 6" (150 mm)
    • Bottom plate Diam. 240 mm, matching the top plate of the HDCO
    • Pre adjustable in Azimuth ± 6 Degrees
    • Top plate precision milled flat and threaded to fit the Paramount square base plate
    • Suitable as a pillar adapter flange to the
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  8.   Baader Tripod Adapter Flange for Celestron CGX / CGX-L

    # 2451118

    € 111.00 Price excl. German VAT tax (19%): € 93.28
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  9.   3kg counterweight for GM 1000 stainless steel (V2A)

    # 1452072

    € 108.00 Price excl. German VAT tax (19%): € 90.76
    • made of V2A stainless steel
    • for axis diameter of 30 mm
    • Diameter 140 x H 30 mm
    • 3kg
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  10.   2" Deluxe eyepiece clamp for SC-telescopes (available with filter holder / extension)

    2" Deluxe eyepiece clamp for SC-telescopes (available with filter holder / extension)

    From: € 58.00 Price excl. German VAT tax (19%): € 48.74
    • SC-Deluxe clamp with 2" Schmidt-Cassegrain Innen thread - available with 2" filter holder or 60mm extension incl. filter holder
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  11.   Baader OTP II 19W: Outdoor Telescope Power Switch with elbowed plug

    Baader OTP II 19W: Outdoor Telescope Power Switch with elbowed plug

    # 2457615

    € 28.00 Price excl. German VAT tax (19%): € 23.53
    • Made for outdoor use at cold temperatures
    • Interchangeable EU/US/UK wall plug included
    • Output 12.8V DC/ 1.5 Amp (19 Watt), large power reserve even when cold - usable in temperatures from -25°C up to 40°C
    • 2.5m (8.25') telescope cord incl. reverse polarity protected, elbowed protective-disconnect plug 5.5mm / 2.1mm
    • Not waterproof IP40
    • Successor model of the previous 19W Outdoor Power Supply #2457610 (discontinued).
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  12. Guidescope rings not included

    BAADER APO 95/580 CaF2 Travel Companion

    # 2300095

    € 4,495.00 Price excl. German VAT tax (19%): € 3,777.31
    • Baader Travel Companion - a Genuine Fluorite Apochromat in a compact mechanical design - the perfect „Travel Companion“. Made in Germany
    • weight 3.1 kg, backfocus 150mm (210 mm w/o extension)
    • 580 mm focal length (since 2020 – previous models have 560 mm focal length)
    • Scope of delivery:
      • Baader APO 95/580 CaF2 Travel Companion
      • Baader 2" RT Diamond Steeltrack focuser featuring micro-geared high precision drive system with true diamonds, 80 mm focus travel and 1:10 reduction
      • 60mm removable tube extension - to enlarge the backfocus for binocular viewing to 210mm
      Tube rings and clamping plate not included
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  13.   Baader UFC D 50.4 Filter Slider

    Baader UFC D 50.4 Filter Slider

    # 2459113

    € 45.00 Price excl. German VAT tax (19%): € 37.82
    • Baader UFC Filter Slider / Filter Container D50.4
    • suitable for unmounted, round 50.4 mm filters (for Filter-Ø 50 mm up to 50,5 mm)
    • slides into the UFC filter base and allows fast exchange between filters while still holding every filter safe and firm
    • Just one "click" onto the brass-pin releases the filter holder from the magnetic fixture. Afterwards it can be removed easily
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  14.   Baader zero-tolerance protective Canon DSLR T-Ring T-2/M48 and 2"

    Baader zero-tolerance protective Canon DSLR T-Ring T-2/M48 and 2"

    # 2958550

    € 69.00 Price excl. German VAT tax (19%): € 57.98
    • Ready to fit Baader filters (standard outfit)
    • Incl. large clear aperture 2" nosepiece and convertible T-2/M48 female threads
    • Protects the Canon camera body from dust and moisture
    • Scope of supply: Protective T-ring for CANON EOS, temperature compensation ring adapter S52 / M48, insert ring M48 / T-2, socket S52 / 2" (without filter)
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  15.   Baader Tripod Adapter Flange for Zeiss 1B Mount

    # 2451112

    € 186.00 Price excl. German VAT tax (19%): € 156.30
    • suitable for Zeiss 1b mount
    • suitable for the Baader T-Pod Aluminium Tripod 75–110cm and 95–130cm and Baader Hardwood Tripod
    • Attention: for Adaptation on Baader Short-Pillar III the Universal Flange-Basis (#2451155) is needed
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  16.   Kameraseitig bei 15mm Verlängerung (S 70 Schwalbenschwanz)

    Baader M68 VariLock 15-20mm extension

    # 2458211

    € 145.00 Price excl. German VAT tax (19%): € 121.85
    • Baader M68 VariLock Extension 15-20mm
    • Continuosly (stepless) adaptable M68 extension with millimeter scale for fine-tuning of the optical height between 15 and 20mm in the M68-system
    • telescope-sided with M68 male (outer) thread
    • camera-sided withM68 female (inner) thread
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  17.   Baader 7.5nm Solar Continuum Filter (540nm)

    Baader 7.5nm Solar Continuum Filter (540nm)

    From: € 118.00 Price excl. German VAT tax (19%): € 99.16
    • Baader 7.5 nm Solar Continuum Filter, CWL 540nm
    • A must for owners of achromatic refractors. This narrowband-filter cuts the spectral range where lens optics draw sharpest and contrastiest. The Baader Solar Continuum Filter lets you use the full power of your telescope.
    • Enhances contrast and reduces the effect of atmospheric turbulence (in combination with white light solar filters)
    • Enormous contrast gain in monochrome photography even on apochromatic systems
    • Important note: The Solar Continuum Filter must be used ONLY with additional filtering (e.g. Baader Herschel prism or AstroSolar Safety Film)
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  18.   T-2 Verlängerungshülsen (7.5 / 15 / 40 mm)
    From: € 22.00 Price excl. German VAT tax (19%): € 18.49
    • Z.B. zur Okularprojektion mit Schiebefokussierer
    • Teleskopseitig T-2 Innengewinde
    • Kamera-/Okularseitig T-2 Außengewinde
    • In verschiedenen Längen erhältlich
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  19.   Centering ring for Alan Gee II Telecompressor

    # 2454410

    € 27.00 Price excl. German VAT tax (19%): € 22.69
    • for adaptation of the Alan Gee II to Celestron SC 9,25
    • Inner diameter 38mm, suitable for Alan Gee II Telecompressor # 2454400
    • Outer diameter 45.5mm
    • centers the Alan Gee II telecompressor in the eyepiece socket.Clamping the Alan Gee is done as usual with the Celestron Visual Back or other 2"/ T-2 adapters
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  20.   Teleskopseitig (RASA)

    # 2459135

    € 253.00 Price excl. German VAT tax (19%): € 212.61
    • Baader UFC S70 / RASA 36cm (14") Adapter
    • telescope-sided RASA 36cm-plate
    • camera-sided with S70 dovetail
    • can be adapted via the S70 dovetail to the UFC filter base #2459110 as well as to UFC extensions
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