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A Astranto

Your practical guide to observing the night sky, step by step.

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  • Telescopes and Binoculars
  • Mounts and Tripods
  • Eyepieces and Filters
  • Collimation and Maintenance
  • Observing the Moon and Planets
  • Deep-Sky Objects and Double Stars
  • Meteor Showers and Eclipses
  • Comets and ISS Sightings
  • Monthly Night-Sky Calendar
  • Star Charts and Astronomy Apps
  • Light Pollution and Dark-Sky Sites
  • Beginner Astrophotography
  • Tools
  • Telescopes and Binoculars
  • Mounts and Tripods
  • Eyepieces and Filters
  • Collimation and Maintenance
  • Observing the Moon and Planets
  • Deep-Sky Objects and Double Stars
  • Meteor Showers and Eclipses
  • Comets and ISS Sightings
  • Monthly Night-Sky Calendar
  • Star Charts and Astronomy Apps
  • Light Pollution and Dark-Sky Sites
  • Beginner Astrophotography
  • Tools
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Publisher

Billy Berthod
Site: https://astranto.com

Further reading

Legal notice · Privacy policy · Editorial policy

A Astranto

Your practical guide to observing the night sky, step by step.

Topics

  • Telescopes and Binoculars
  • Mounts and Tripods
  • Eyepieces and Filters
  • Collimation and Maintenance
  • Observing the Moon and Planets
  • Deep-Sky Objects and Double Stars
  • Meteor Showers and Eclipses
  • Comets and ISS Sightings
  • Monthly Night-Sky Calendar
  • Star Charts and Astronomy Apps
  • Light Pollution and Dark-Sky Sites
  • Beginner Astrophotography

Tools

  • Telescope magnification and exit pupil calculator
  • True field of view calculator
  • Astrophotography pixel scale calculator

Legal

  • About us
  • Editorial policy
  • Legal notice
  • Privacy policy
  • Contact
  • RSS

© 2026 Astranto

Published by Billy Berthod

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