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Photographer:

Álvaro Ibáñez Pérez

Email:

alibperez@gmail.com

Location of Photo:

Madrid, Spain

Date/Time of photo:

January 10, 2014

Equipment:

Telescope: Coronado PST Ha and CaK, Camera: QHY5-II Mono, Mount: NEQ6 Pro II

Description:

The Sun emits light full range. Until recently, only professionals telescopes could observe the Sun in several wavelengths. Today in amateur telescopes can observe in 3 wavelengths: Cak, H-Alpha and white light. In the CaK part, you typically see brightness along the edges of large convection cells called supergranules and in areas called plages. Dark sunspots are also visible. Light from singly-ionized calcium ions in the Sun's upper photosphere and chromosphere (up to 2000 km altitude).

Website:

https://www.flickr.com/photos/kokehtz/

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