Just before second contact. Image by Sam Benigni from the VIS on Mauna Kea
Third contact. Image by Sam Benigni from the VIS on Mauna Kea
Second contact from the summit of Mauna Kea by Mike Connelley and Josh Walawender
Third contact from the summit of Mauna Kea by Mike Connelley and Josh Walawender
Third contact of Mercury from the Mees White Light Telescope on Haleakala