# Image credits

Every photograph and star chart on this site, with its source and licence.

## Starry La Silla Observatory

Used on Home. By ESO/Iztok Bončina. Source: Wikimedia Commons, https://commons.wikimedia.org/wiki/File:Starry_La_Silla_Observatory.jpg. Licence: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/. Cropped and resized.

## Octant, Musée national de la Marine, Paris

Used on About. By Rama. Source: Wikimedia Commons, https://commons.wikimedia.org/wiki/File:Octant-MnM_11_NA_51-IMG_5956-black.jpg. Licence: CC BY-SA 3.0 FR, https://creativecommons.org/licenses/by-sa/3.0/fr/deed.en. Background removed and resized. Our copy is shared under the same licence.

## Folding square, level and gauge, Musée des Arts et Métiers, Paris

Used on Architecture. By Rama. Source: Wikimedia Commons, https://commons.wikimedia.org/wiki/File:Folding_square_level_and_gauge-OA_10803-IMG_3615-black.jpg. Licence: CC BY-SA 3.0 FR, https://creativecommons.org/licenses/by-sa/3.0/fr/deed.en. Background removed and resized. Our copy is shared under the same licence.

## Berthoud marine clock, Musée des Arts et Métiers, Paris

Used on Software. By Rama. Source: Wikimedia Commons, https://commons.wikimedia.org/wiki/File:Berthoud_Marine_clock-CnAM_19555-IMG_6704-black.jpg. Licence: CC BY-SA 3.0 FR, https://creativecommons.org/licenses/by-sa/3.0/fr/deed.en. Background removed and resized. Our copy is shared under the same licence.

## Astrolabe by Rennerus Arsenius, Musée des Arts et Métiers, Paris

Used on Security. By Rama. Source: Wikimedia Commons, https://commons.wikimedia.org/wiki/File:Rennerus_Arsenius_astrolabe-CnAM_3907-IMG_6426-black.jpg. Licence: CC BY-SA 3.0 FR, https://creativecommons.org/licenses/by-sa/3.0/fr/deed.en. Background removed and resized. Our copy is shared under the same licence.

## Portrait of Ian Sharland

Used on About. By Supplied by Ian Sharland. Source: Media Audit Group leadership page, https://mediaauditgroup.com/leadership. Licence: Used with permission. Resized.

## Octans, the octant

Used on Home. By Nicolas-Louis de Lacaille, 1756. Source: Wikimedia Commons, https://commons.wikimedia.org/wiki/File:Apus_and_Octans_in_Lacaille%27s_planisphere_(1756).jpg. Licence: Public domain. Cropped and tinted brass.

## Pyxis, the mariner's compass

Used on Home. By Nicolas-Louis de Lacaille, engraved by C. E. Voisard for Jean Nicolas Fortin's Atlas céleste de Flamsteed, 1795. Source: Wikimedia Commons, from the Polona Digital Library, https://commons.wikimedia.org/wiki/File:Atlas_celeste_de_Flamsteed_1795_(96481080).jpg. Licence: Public domain. Cropped and tinted brass.

## Circinus and Norma, the compass and set square

Used on Architecture and Privacy. By Nicolas-Louis de Lacaille, engraved by C. E. Voisard for Jean Nicolas Fortin's Atlas céleste de Flamsteed, 1795. Source: Wikimedia Commons, from the Polona Digital Library, https://commons.wikimedia.org/wiki/File:Atlas_celeste_de_Flamsteed_1795_(96481080).jpg. Licence: Public domain. Cropped and tinted brass.

## Horologium, the pendulum clock

Used on Software. By Nicolas-Louis de Lacaille, engraved by C. E. Voisard for Jean Nicolas Fortin's Atlas céleste de Flamsteed, 1795. Source: Wikimedia Commons, from the Polona Digital Library, https://commons.wikimedia.org/wiki/File:Atlas_celeste_de_Flamsteed_1795_(96481080).jpg. Licence: Public domain. Cropped and tinted brass.

## Reticulum, the reticle

Used on Security. By Nicolas-Louis de Lacaille, engraved by C. E. Voisard for Jean Nicolas Fortin's Atlas céleste de Flamsteed, 1795. Source: Wikimedia Commons, from the Polona Digital Library, https://commons.wikimedia.org/wiki/File:Atlas_celeste_de_Flamsteed_1795_(96481080).jpg. Licence: Public domain. Cropped and tinted brass.

## The south celestial pole

Used on About. By Nicolas-Louis de Lacaille, 1756. Source: Wikimedia Commons, from Gallica, Bibliothèque nationale de France, https://commons.wikimedia.org/wiki/File:Lacaille%E2%80%99s_southern_planisphere_of_1756.png. Licence: Public domain. Cropped and tinted brass.

## Southern planisphere

Used on About. By Nicolas-Louis de Lacaille, 1756. Source: Wikimedia Commons, from Gallica, Bibliothèque nationale de France, https://commons.wikimedia.org/wiki/File:Lacaille%E2%80%99s_southern_planisphere_of_1756.png. Licence: Public domain. Tinted brass and resized.