The James Webb Space Telescope may have left the world speechless, but developments on the ground continue, and they are truly impressive. Would you like to meet one? How about the world's largest camera built for astronomy? The unit destined for the Vera C. Rubin Observatory weighs three tons and boasts a 3.2 gigapixel sensor, accompanied by a lens with a diameter of more than a meter and a half...
Entering the fascinating field of astrophotography has never been so easy. On one hand, we can buy all kinds of accessories without breaking the bank, and on the other, nothing stops us from doing extravagant experiments like capturing Jupiter with a Game Boy console.
But what happens among the professionals? What are the latest developments for experts? In essence, the world's largest camera, specially designed for the Large Synoptic Survey Telescope, better known as the Vera C. Rubin Observatory that is being built in Chile. It is expected that this beast will point its digital eye to the sky in 2024, with all the firepower provided by an impressive 3.2 gigapixels.
The World's Largest Camera
The camera will be installed in the Simonyi Survey Telescope, which in turn will be part of the Legacy Survey of Space and Time. This survey will have as objectives the creation of more detailed maps of the Milky Way, the recording of small bodies in the Solar System, the detection of major astronomical events, and learning more about dark matter and dark energy through the measurement of gravitational lensing and supernova photometry.
The technical details of the camera reveal a weight close to three tons (2,800 kilograms according to its official page) and dimensions of 3.73 by 1.65 meters, similar to those of a small vehicle. The total number of CCD sensors amounts to 189, arranged in a series of 21 'rafts' of 3 x 3 sensors, which will operate at a temperature of 100 degrees below zero to reduce noise. As if that were not enough, the camera will be accompanied by three lenses, and the largest one (already registered in the Guinness Book of Records) measures 1.57 meters in diameter.
If no delays arise, the camera will arrive at its new home in May 2023, and its first photographs will become reality in October 2024. The survey will last ten years, capturing approximately 15 terabytes of data per night. It's going to devour hard drives like candy...
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Source: PetaPixel
