• astromath
  • Spectroscopy
  • Solar Astronomy
  • Photometry
  • CCDs
  • Gallery
  • links
  • nasa
  • nasa
  • nasa_greek
  • button
  • ncas2021

Spectroscopy websites

  • ww.astrosurf.com/buil
  • http://www.astrosurf.com/vdesnoux/
  • http://astrospectroscopy.de/
  • http://www.threehillsobservatory.co.uk/astro/astro.htm
  • Vereinigung der Sternfreunde Fachgruppe   Spektroskopie
  • ARAS Spectroscopy forum
Photometry websites
  • Underoak Observatory
Solar websites
 the Solar Explorer

705nm Solar imaging

  • http://brierleyhillsolar.blogspot.com/

Greek amateurs

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Geomagnetism tutorial

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freeware

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BASS
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