Credits
Attributions
Nothing on this site is measured here. Every position, magnitude and physical constant comes from someone else’s decades of work, and the licences that come with them are listed below.
Keplerian Elements for Approximate Positions of the Major Planets
in useE. M. Standish, Jet Propulsion Laboratory
Orbital elements and per-century rates driving every position on this site
Public domain (US Government work)
Planetary fact sheets
in useNASA / JPL, and the IAU WGCCRE 2015 report
Radii, masses, densities, rotation periods and obliquities
Public domain / freely reusable with credit
SixthLens Saturn illustration and renderer
in useSixthLens · still illustration generated with OpenAI ImageGen
Illustrative homepage scene; the generated still is shown while loading, with motion off, or without WebGL
Artistic surface bands and accelerated motion, not a photograph or a live ephemeris. Ring boundaries follow the site's Saturn model.
Living Observatory sky and gallery previews
in useGenerated with OpenAI ImageGen for SixthLens
Decorative sky and six temporary gallery illustrations: Orion, Andromeda, North America Nebula, Hercules cluster, lunar terrain, and Jupiter
AI-generated illustrations, not telescope captures or scientific sky maps. Example acquisition data does not describe these images. To be replaced with the owner's photography.
Journal and About illustrations
in useGenerated with OpenAI ImageGen for SixthLens
Telescope-under-the-stars scene and Mars editorial cover
AI-generated illustrations, not owner photographs, actual equipment, or scientific trajectory diagrams.
SixthLens logo
in useSupplied by the site owner
Site navigation and identity
Original supplied artwork, retained without alteration.
IBM Plex Sans & IBM Plex Mono
in useIBM
Interface and data typography
SIL Open Font License 1.1
Bodoni Moda
in useIndestructible Type*
Display typography
SIL Open Font License 1.1
HYG Database v3
plannedDavid Nash, from Hipparcos, Yale Bright Star and Gliese catalogues
Star positions, magnitudes and colours for the topocentric sky view
CC BY-SA 4.0
Stellarium sky cultures
plannedStellarium contributors
Constellation lines, boundaries and traditional star names
GPL / CC BY-SA, varies by culture
OpenNGC
plannedMattia Verga
Deep-sky object catalogue
CC BY-SA 4.0
HiPS survey imagery (DSS2, 2MASS)
plannedCDS, Strasbourg Observatory
Background survey imagery in the deep-space layer
Attribution required, varies by survey
CelesTrak orbital element sets
plannedDr T. S. Kelso
ISS and satellite pass prediction
Free for non-commercial use, attribution required