Daylight Astronomy

Equipment

Currently there are two possibilities to go into the Calcium-K observation: a dedicated telescope or a filter system. A selection is showed below, see the manufacturers website for the full product list.

Coronado filters - dedicated telescope
	Solarmax 70 dedicated telescope Aperture: 70mm F/L: 400mm Blocking filter: 60m Bandwidth: <2.2Å Pricing: € 3,000 (in Europe € 4.000)

Daystar filters - filter system
	Daystar Filter diameter: 25mm Bandwidth: <10.Å down to <2.0Å Tuning: electrical tuned Pricing: $3,300 to $4,800 (in Europe prices on request)
	Lens cover and Energy rejection filter Slows the telescope down to f/30 Is specially made for apperture and telescope Must be used in combination with Daystar filter Pricing: $100 to $750 (in Europe prices on request)