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Posts Tagged 'baader'

Higher contrast for comet hunters: C2 Swan Band filter

September 29 2023, Stefan Taube

CS-Band-Filter

German manufacturer, Baader, has produced a new filter for 511 and 514 nanometre spectral lines which is available to fit both available filter thread sizes:

These Swan Band emission lines, which are named after their discoverer, are produced by carbon. They make up the majority of a comet’s gas tail in the visible spectrum. The filter only allows light from these two carbon wavelengths to pass through and blocks the ever-present light pollution. Structures within a comet’s gas tail, therefore, become more pronounced even in good observing conditions.

At the same time, it blocks the 501 nanometre OIII spectral lines. This increases contrast and makes it easier to distinguish comets with gas tails from comets with dust tails.

Both C2 Swan Band filters belong to Baader’s new CMOS-optimised filters:

New Baader UHC Filter

March 28 2023, Stefan Taube

10861_1

 

UHC filters are very useful aids in the fight against light pollution and natural sky brightness. They suppress artificial light but are transparent to wavelengths emitted by nebulous celestial objects. The effect of this for the observer and astrophotographer is considerably greater contrast.

The new Baader UHC-L filter is an all-purpose anti-light-pollution filter which also blocks LED lamp emissions in the blue part of the spectrum. Both passbands allow all of the light emitted by well-known nebulae through (the H-alpha and H-beta spectral lines of excited hydrogen as well as the OIII spectral lines of oxygen).

You can find all available filter sizes and formats here in our shop.

cmos-filter-groessen

The Baader UHC-L filter offers all of the advantages of the CMOS-optimised Baader filter:

  • Adapted for typical CMOS camera sensors
  • Reflex Blocker™ coating
  • Blackened edges
  • Every filter is individually polished and coated for optical precision
  • Life Coat™ coating for high durability

    Baader-Filter-Technologien

 

Back in stock: Baader FlipMirror II

November 9 2022, Stefan Taube

Multiple faces – multiple uses

Baader’s multi-purpose flip mirror is back in stock! In combination with its level camera connector, the FlipMirror II offers a third connector, ideal for accessories such as off-axis guiders or calibration lamps for spectrographs.

63172_1

 

The FlipMirror II can be permanently mounted on the telescope as its optical finish is comparable to that of a high-quality zenith mirror. The flip mirror can also be used for visual observation.

Why do you need a flip mirror?

Unfortunately, every telescope only has one connector on the eyepiece side despite there being a large range of accessories that you may want to connect: eyepieces, cameras, off-axis guiders, guiding eyepieces, spectrographs and many more. For astrophotography and spectroscopy, these components need to be mounted at the same time.

The FlipMirror II provides more opportunities for this than other flip mirrors and it also provides solid screw adaptors. This is why multiple thread adapters are included amongst the accessories.

Baader_Flip-Mirror

 

Baader SunDancer II for observation and solar photography

October 7 2021, Stefan Taube

The Baader SunDancer II sun filter transforms smaller refractors quickly and simply into telescopes for solar observation using H-alpha spectral lines. In this wavelength, you can see the Sun’s chromosphere with dark filaments, bright radiation bursts and spectacular solar prominences!

Baader Sonnenfilter SunDancer II H-alpha 2"/1,25"

Baader SunDancer II H-alpha 2″/1.25″ solar filter

Simply position the SunDancer II between the diagonal mirror and the eyepiece and connect it to a power source. The filter is then automatically brought to the optimal operating temperature so that no adjustments are required during longer observations.

The SunDancer II can be safely used on refracting telescopes with apertures up to 80 millimetres. An additional energy rejection filter is only required in front of the telescope for objective apertures upwards of 80 millimetres; alternatively, the telescope can be dimmed using an optional 80mm screen in front of the lens.

Telescopes with secondary mirrors, such as Newtonian, Maksutov or SCTs, always require an additional energy rejection filter, regardless of their size.

The complete solar disc can be seen in telescopes with apertures of up to 600mm.

The T2 thread beneath the eyepiece clamp facilitates easy adaptation for larger cameras:

SunDancer II mit DSLR-Kamera

SunDancer II with DSLR camera

A power supply unit is included. For mobile observation, a  powerbank can also be used.

You can find further information on this particularly high-quality H-alpha filter for the eyepiece side here in our shop.

New CMOS-optimised line filters from Baader

July 1 2021, Stefan Taube

The manufacturer Baader presents new filters for astrophotography in the spectral lines H-alpha, OIII and SII.

Filtersets

The half-width of the narrowband filters is 6.5 nanometres, and for the ultra-narrowband it is as little as 3.5 to 4 nanometres. The f/2 filters are optimised for very fast astrographs such as Celestron’s RASA optics.

All filters are available in standard sizes:

cmos-filter-groessen

With a line filter, astrophotography of luminous nebulae is possible even under a light-polluted city sky! These filters only allow those wavelenghts of light in which the selected celestial object shines to fall on the camera sensor. All other wavelengths are blocked. This produces high-contrast images of planetary nebulae, supernovae remnants and star-forming regions.

Three types of line filters are used in astrophotography, each of which is transparent to the brightest spectral lines of oxygen, sulphur or hydrogen atoms. Depending on the astronomical object, a single filter may be enough for a spectacular image. Combining three shots, each taken through a line filter, creates an ideal result.

The new generation of Baader CMOS-optimised filters is characterised by, among other things:

  • Reflex-Blocker™ coatings, for maximum insensitivity to retro-reflection from adjacent auxiliary optics, even under the most adverse conditions.
  • FWHM on each filter category carefully designed to allow for 1:1:1 exposures, matched for typical CMOS quantum efficiency and S/N ratio.
  • Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rim, to additionally eliminate any reflections due to light falling onto the edges of a filter.
  • Each filter is coated individually, with sealed coating edges.
  • Life-Coat™: Hard coatings to enable a non-aging coating for life – even in the most adverse environments.

Baader-Filter-Technologien

You can find all the new filters here in the shop.

New: Diamond Steeltrack focuser with Steeldrive from Baader

June 17 2019, Stefan Taube

Diamonds really are astronomers’ best friends – at least since the Baader Diamond Steeltrack focuser has been available. It uses real diamonds in its drive system!

In contrast to conventional Crayford or rack-and-pinion focusers, the Diamond Steeltrack’s micronized drive system guarantees entirely backlash-free operation, is completely non-slip and torsion-free – and has a vertical load capacity of 6 kilograms!

Okularauszug Diamond Steeltrack an einem Celestron EdgeHD

Diamond Steeltrack focuser on a Celestron EdgeHD telescope

There are Diamond Steeltrack focusers available for Schmidt-Cassegrain telescopes, Newtonian telescopes and refractors.

The Steeldrive II motorized focuser drive with hand-held controller is now available:

Baader Fokussiermotor Steeldrive II mit Steuerung

Baader Steeldrive II motorized focuser drive with control unit

The Steeldrive II motorized focuser drive permits automated focusing of a telescope via computer, as well as precise and vibration-free focusing using the buttons on the hand-held controller.

A good focuser considerably enhances observing pleasure and is essential for high-end astrophotography. The Steeltrack focuser is currently the best possible solution available!

 

New: Pro camera by ZWO and more accessories for astrophotographers

December 8 2017, Stefan Taube

We would like to present to you a small selection of items that we included in the range recently:

  1. ZWO camera ASI 1600 MM Pro Mono

The ASI 1600 series is the favourite model range by ZWOptical. The ASI 1600 cameras have a relatively large sensor and a small pixel size. There are, therefore, models without cooling that are used mainly by planet photographers and DeepSky cameras that can be used by anyone. We offer the cooled models in a set with special filters and a filter wheel.

The spearhead of this model range is the new ASI 1600 MM Pro Mono. It is ideal for astrophotographers who want to capture faint nebulae with exposures lasting for hours. The incorporated 256 MB of buffer memory provides loss-free transfer even with USB 2.0.

ZWO-ASI-1600-Pro

  1. Orion camera StarShoot AutoGuider Pro Set

If you want to take exposures of several minutes, you should think about tracking control. With this procedure called autoguiding, the mount must run in a controlled fashion because the camera mount must always be exactly oriented towards the desired area of the sky for the shot to be successful. A separate camera is mostly used with its own optics for autoguiding. The camera continually follows a star and gives control impulses to the mount if the star moves.

Thanks to sensitive camera sensors with a high resolution, these autoguiders can be made to be compact. A very well-made example is the new set from the camera StarShoot AutoGuider Pro Mono and the Ultra-Mini Guidescope by Orion.

Orion-StarShoot-AutoGuide

  1. Baader MPCC V-1 Mark III Newton coma corrector set 2”

Newton telescopes are very popular with amateur astronomers because they cost relatively little money and can gather a large amount of light. As with any optical design, Newton telescopes suffer from image aberrations. On the edge of the field of view, the stars are exploded forming a “comet”. What are referred to as coma aberrations are particularly noticeable in astrophotography. The manufacturer Baader-Planetarium offers an excellent coma corrector that is also included in the set with the matching adapters: Baader MPCC V-1 Mark III Newton coma corrector The special feature of this coma corrector is that it does not increase the focal length of the optics. There is as much light as without the corrector, so that the exposure time does not have to be increased.

aader-MPCC-Komakorrektor

  1. Oklop padded bag for the Newton 150/750

About the Newton telescope: We now offer padded carrying bags by Oklop. They are made so a specific telescope fits perfectly and can be transported securely without taking up a lot of space.

We offer, for example, bags for the Newton telescope 150/750, Newton telescope 150/1000 or the Celestron telescope SC 1100. Other bags by Oklop can be found here.

Oklop-Tasche-Newton