astronomy.tools
Welcome to astronomy.tools A collection of useful, free astronomy tools. FOV Calculator Star Chart Cloud Forecast Lookup Coordinates
astronomy.tools
Astro-Tech - 10" f/8 Truss Ritchey-Chrétien Astrograph Astro-Tech - 12" f/8 Truss Ritchey-Chrétien Astrograph Astro-Tech - 14" f/8 Truss Ritchey-Chrétien Astrograph Astro-Tech - 16" f/8 Truss …
astronomy.tools
At Astronomy Tools we want to make useful information available to all. If you can see a way we can improve any of our calculators, or would like us to build a new one, please contact us.
astronomy.tools
Calculate the maximum resolving power of your telescope using the Dawes' Limit formula. Formula: 116 / Telescope Aperture
astronomy.tools
Calculate the actual field of view seen through the eyepiece. Formula: Eyepiece Field of View / ( Telescope Focal Length / Eyepiece Focal Length )
astronomy.tools
Notes: 1: Atmospheric seeing conditions (the sky) often limits the maximum usable magnification to 250-350x. 2: An exit pupil size (diameter of light beam as it exits eyepiece) over 7.5mm might be too …
astronomy.tools
Astro-Tech - 10" f/8 Truss Ritchey-Chrétien Astrograph Astro-Tech - 12" f/8 Truss Ritchey-Chrétien Astrograph Astro-Tech - 14" f/8 Truss Ritchey-Chrétien Astrograph Astro-Tech - 16" f/8 Truss …
astronomy.tools
Calculate the focal ratio of your telescope. Formula: Focal Length / Aperture
astronomy.tools
Calculate the resoution in arc seconds per pixel of a CCD with a particular telescope. Formula: ( Pixel Size / Telescope Focal Length ) X 206.265
astronomy.tools
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