It faded to 13th magnitude around 30 years after its peak brightness.

When it was first discovered during totality, it was already quite bright, at magnitude -2; as it was near perihelion, this was its peak brightness.

The tighter focused laser has a higher peak brightness (irradiance) that forms a plasma.

A confirmation spectrum was taken with the Palomar Hale telescope on April 17 UT which showed it to be approximately 13 days before peak brightness.

The peak brightness of the μ ring lies almost exactly on the orbit of the small Uranian moon Mab, which is probably the source of the ring's particles.

It was a type 1-A supernova, a major class of supernovas, all of which seem to give off about the same amount of light at their peak brightness.

Nevertheless, Lovejoy was largely invisible to the naked eye during its peak brightness due to its proximity to the Sun.

This means that the peak brightness of a comet depends significantly on its distance from the Sun.

The light curve for a Type II-L supernova shows a steady (linear) decline following the peak brightness.

Within this galaxy, a Type 1A supernova was detected in 1990, allowing astronomers to measure its peak brightness as viewed from Earth.