Comet A6 Lemmon

A comet with a green head at the bottom and a complex tail extending toward the top is shown, horizontally side by side, five times. Please see the explanation for more detailed information.
一颗彗星，底部呈绿色，顶部有一条复杂的彗尾，水平并排五次出现。有关更多详细信息，请参阅说明。