Baader Planetarium

Baader Moon and Skyglow Filter 1.25"

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Product Overview

1¼" and 2" Neodymium Lunar & Skyglow Filter

With integrated IR blocker and Phantom Group Coating

¼" and 2" Neodymium Lunar & Skyglow Filter

The best visual and photographic filter for contrast enhancement for all Newtonian and SC-mirror telescopes, we have ever offered! Brighter and sharper than ever! Long a dream for all CCD users, our Skyglow & Moon filter with IR Cut coating !! The filter effect is much more neutral in colour and much brighter thanks for our Phantom Group Coating. If you want to escape a city brightened sky - without taking a trip - the new IR Moon & Skyglow filter is the solution.

Compare with the moon & Skyglow filter before the naked eye, to test the effectiveness. Red and blue colours are extensively strengthened. If you cannot see the GRS (Great Red Spot) due to pollution try this which will allow you to see it.

In order to establish a precise plan area and to maintain the planarity despite the applied forces through the different layers of coating, a high technical effort is necessary. You have to choose from a large amount of raw glass only the best pieces in tension-free annealed quality to even hope for a good final quality may. All too easily, the glass deforms with improper preparation or coating on older evaporation systems. The final product is almost useless, if not greatest of care is taken at every stage of production.

  • Selective contrast filter, especially suitable for all reflector telescopes.
  • Filters specifics wavelengths especially street lights and skyglow from the Moon without suppressing the visibility of colour and brightness differences. The result is a filter that leaves natural colours intact with RGB significantly enhanced.
  • 95% transmission in the selected spectral ranges.
  • Fits all standard filter threads and can be combined with other filters
  • The filter is also optimised for Astrophotography due to it's full IR-blocking. When used with dSLRs stars are much sharper as the unfocussed IR is blocked.
  • Ultra-hard and durable Ion-beam hardened coatings and may be cleaned anytime without fear, ideally with Baader Optical Wonder Cleaning Fluid.

Spectral Curve of the Moon & Skyglow Filter

Spectral curve of Moon & Skyglow Filter
Spectral curve of the Moon & Skyglow filter

The adjacent graph shows you the spectral curve of our Neodymium Moon & Skyglow filters. On the horizontal axis, the wavelength in nanometers, and the vertical axis is the transmission amount (opacity) specified in percent.

The area under the curve is the spectral range that can pass through the filter.


MANUFACTURERBaader Planetarium
SKU (#)2458305A
EAN CODE4047825009753
TRANSMISSION RANGEmultiple bands (see spectral image)
AR-COATINGPhantom Coating® Group, planeoptically polished
FILTER SIZE1 25 inch
FILTER USAGECCD, Contrast Enhancement, Color Correction, IR-Cut, Light Pollution Reduction, Lunar, Planetary
SINGLE OR SET?Single Filter


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