In astronomy, a conjunction occurs when two astronomical objects or spacecraft appear to be close to each other in the sky.

Mercury and the Moon at close conjunction
Click on the image to open it at full resolution.

In astronomy, a conjunction occurs when two astronomical objects or spacecraft appear to be close to each other in the sky. This means they have either the same right ascension or the same ecliptic longitude, usually as observed from Earth.

[Source: Wikipedia, https://en.wikipedia.org/wiki/Conjunction_(astronomy)]

Mercury (centre right) and the Moon at close conjunction
Exposure1/40 sec @ f/5.6
ISO100
CameraNikon D600 [6016 x 4016]
OpticsNikkor 80-400 mm lens at 400mm
FilterNone
GuidingNone
ControllerNone
LocationLower Sackville, Nova Scotia.
Date2020-05-13
Processed in Lightroom