[djkorchi]

Professional astronomers observe during the daytime too, using radio or microwave. Mega-constellations impinge on their ability to do science, especially for techniques like VLBI, where there's no obvious way to remove satellites from the data.

[Retric]

That applies to all satellites not simply large arrays. Large constellations all on the same frequencies aren’t even close to 1:1 as bad as normal satellites.