Links

• Cloudy Nights
  • A comprehensive forum covering all aspects of amateur astronomy
• SkyWatcher USA
  • Telescopes and mounts
• ZWO
  • Quality astronomy imaging cameras
• Telescopes.net
  • A reputable domestic vendor
• Shelyak
  • Affordable spectrometers
• Stellarium
  • Free and open source planetarium software
• Telescopius
  • Imaging and mosaic planning
• SharpCap
  • General purpose camera control software
• NINA
  • Automatable deep sky imaging software
• PHD2
  • Autoguiding software
• PixInsight
  • Astronomical pre- and post-processing software
• Siril
  • Free and open source astronomical processing software
• Astrospheric
  • Astronomy-focused weather forecasts
• SIMBAD
  • Queryable web interface to extensive catalogues of astronomical data
• NASA Horizons System
  • Solar system ephemerides calculations
• Telescope Comparison
  • Compare telescope and camera combinations to determine relative pixel scales, etendue, and pixel signal.
• Ned Wright’s Javascript Cosmology Calculator
  • Calculate distances of an object based on redshift.