star spikes

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Developer news items we found relating to star spikes

3 results

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Starfront observatory now accepting and installing telescopes

Tuesday, June 25, 2024 by Richard Harris

Bray Falls provided an in-depth tour of the telescopes already set up at the remote observatory in Central Texas. This project aims to make astrophotography accessible and affordable by allowing people to use their telescopes remotely from dark skies, wherever they live. The observatory features buildings where the roofs open every night, enabling users to capture image...

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Supermassive black holes are merging in the galaxy system ZS7

Tuesday, May 21, 2024 by Freeman Lightner

Astronomers have provided evidence for an ongoing merger of two galaxies and their massive black holes when the universe was just 740 million years old, using observations from the James Webb Space Telescope (JWST). This groundbreaking discovery highlights a significant period in cosmic history, revealing the farthest and earliest detection of merging black holes to dat...

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Removing star spikes with Cuiv the Lazy Geek

Thursday, May 16, 2024 by Richard Harris

Star spikes, also known as diffraction spikes, are lines radiating from bright stars in images taken with Newtonian telescopes. They occur because of diffraction of light around the secondary mirror's support vanes, also known as the spider vanes. Refracting telescopes, which lack any central obstruction, do not suffer from star spikes and generally offer higher ...

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