(CNN) Billionaire tech entrepreneur Elon Musk can be a controversial figure. Not surprisingly, one of his projects has managed to frustrate stargazers.

Hundreds of satellites owned by Musk's company, SpaceX, have been launched as part of Starlink , a project to increase global internet coverage, but their presence is disrupting observations of the night sky.

Irish comedian and amateur astronomer Dara Ó Briain was one of many people to post on social media, complaining after a number of the satellites were seen moving across the sky on Sunday.

Yep, just saw them too. It's the Starlink satellite network, and Elon Musk wants to put a 1000 of them up. There goes the night sky. https://t.co/mEUKoaQYPF — Dara Ó Briain (@daraobriain) April 19, 2020

"Yep, just saw them too. It's the Starlink satellite network, and Elon Musk wants to put a 1000 of them up," wrote Ó Briain in response to another stargazer on Twitter. "There goes the night sky."

However Robert Massey from the UK's Royal Astronomical Society told CNN that the satellites' long-term impact on the sky depends on their final positioning.

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