The moon’s darker surface becomes visible as it gets illuminated by sunlight reflected off the Earth. This phenomenon is called earthshine. This earthshine photo was imaged with a Sky-Watcher Equinox 100ED and an ASI 533MC astronomy camera on a Meade LXD75 tracking mount.

Related link: Moon imaged with a Celestron C8 SCT
Night Sky in Focus © Anthony Urbano | Bacoor, Philippines