Varanasi Observatory (Jantar Mantar) viewed from the top of Brihat Samrat Yantra
In the foreground on the right is Nari Valaya Yantra (Northern Hemispherical Sun-Dial),
on its background is Lâghu Samrat Yantra (Small Equatorial Sun-Dial),
on its left is Chakra Yantra (Circular Instrument) in a horizontal state,
and in the background is Digamsha Yantra (Azimuth Instrument).
As they were erected on the roof of the palace, the layout is quite cramped.