
NGC 4621 is frequently observed by amateur astronomers and is visible as a compact luminous region. It is quite faint.
Right now it is at about 53° altitude and reaches 78° around 12:19 AM.
It stays above 30° for roughly 8 hours.
Galaxies are sensitive to light pollution, structure becomes clearer under good conditions.
It can be challenging under typical skies.
It appears more compact than typical clusters.