Observe the Sun
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Sonnenbeobachtung
Solar observation is a very interesting area of Astronomy. There is something new to see here practically every day. Our home star is constantly changing! Regardless of in white light or in the narrow-band hydrogen or calcium band, observations of the processes on the sun are very impressive!
The Altair Dichroic Solar Energy Rejection Filter or D-ERF protects your telescope and solar imaging equipment from excessive heat build-up when solar imaging or observing with your Daystar Hydrogen Alpha Quark, or other Hydrogen Alpha Etalon filters.
699.00 € 629.00 €
Estimated delivery time : 2-4 weeks
The Altair 1.25" Solar Continuum filter Enhances sunspots, granulation, and fine photosphere detail. For use with Baader Solar Filter or Herschel Wedge.
95.00 € 85.50 €
Estimated delivery time : 2-4 weeks
The Altair 2" Solar Continuum filter Enhances sunspots, granulation, and fine photosphere detail. For use with Baader Solar Filter or Herschel Wedge.
189.00 € 170.00 €
Estimated delivery time : 2-4 weeks
APM Ceramic Safety 2" Herschelkeil with APM Fast-Lock Eyepiece Adapter
Characteristics:
- High quality surfaces for best contrast values
- Completely closed body with light catch
- Pre-installed ND3 filter and integrated polarizer
- Setup of the polarizer by turning the eyepiece sleeve
- APM FastLock eyepiece sleeve
- Delivery with solid Aluminum case
- Backfocus 115 mm
- Weight 830 grams
369.00 €
Estimated delivery time : 1-2 days
High quality 1 1/4" Herschelwedge with built in ND3.0 filter for safely solar observation and photography.
229.00 € 185.00 €
Estimated delivery time : 1-2 days
Energy protection filters are long-pass filters that block short-wave light. A coating blocks IR. This means that the filters of an H-alpha telescope are only exposed to red light.
- Diameter (mm): 100
- Thickness (mm): 12mm
- Surface shape: L/4
- Centre wavelength (nm): 656.28
- Bandwidth (nm): 60
- Peak transmittance (%): 95%
- Cut-off range (nm): 200nm-1100nm
499.00 €
Estimated delivery time : 1 week
Energy protection filters are long-pass filters that block short-wave light. A coating blocks IR. This means that the filters of an H-alpha telescope are only exposed to red light.
- Diameter (mm): 100
- Thickness (mm): 12mm
- Surface shape: L/4
- Centre wavelength (nm): 656.28
- Bandwidth (nm): 60
- Peak transmittance (%): 95%
- Cut-off range (nm): 200nm-1100nm
- with metal cell 146mm
699.00 €
Estimated delivery time : 1 week
Energy protection filters are long-pass filters that block short-wave light. A coating blocks IR. This means that the filters of an H-alpha telescope are only exposed to red light.
- Diameter (mm): 130
- Thickness (mm): 12mm
- Surface shape: L/4
- Centre wavelength (nm): 656.28
- Bandwidth (nm): 60
- Peak transmittance (%): 95%
- Cut-off range (nm): 200nm-1100nm
799.00 €
Estimated delivery time : 1 week
Energy protection filters are long-pass filters that block short-wave light. A coating blocks IR. This means that the filters of an H-alpha telescope are only exposed to red light.
- Diameter (mm): 130
- with metal cell 178mm
- Thickness (mm): 12mm
- Surface shape: L/4
- Centre wavelength (nm): 656.28
- Bandwidth (nm): 60
- Peak transmittance (%): 95%
- Cut-off range (nm): 200nm-1100nm
999.00 €
Estimated delivery time : 1 week
Energy protection filters are long-pass filters that block short-wave light. A coating blocks IR. This means that the filters of an H-alpha telescope are only exposed to red light.
- Diameter (mm): 150
- Thickness (mm): 12mm
- Surface shape: L/4
- Centre wavelength (nm): 656.28
- Bandwidth (nm): 60
- Peak transmittance (%): 95%
- Cut-off range (nm): 200nm-1100nm
999.00 €
Estimated delivery time : 1 week
Energy protection filters are long-pass filters that block short-wave light. A coating blocks IR. This means that the filters of an H-alpha telescope are only exposed to red light.
- Diameter (mm): 150
- with metal cell 230mm
- Thickness (mm): 12mm
- Surface shape: L/4
- Centre wavelength (nm): 656.28
- Bandwidth (nm): 60
- Peak transmittance (%): 95%
- Cut-off range (nm): 200nm-1100nm
1249.00 €
Estimated delivery time : 1 week
Energy protection filters are long-pass filters that block short-wave light. A coating blocks IR. This means that the filters of an H-alpha telescope are only exposed to red light.
- Diameter (mm): 200
- Thickness (mm): 12mm
- Surface shape: L/4
- Centre wavelength (nm): 656.28
- Bandwidth (nm): 60
- Peak transmittance (%): 95%
- Cut-off range (nm): 200nm-1100nm
1649.00 €
Estimated delivery time : 1 week
