Prepare your instrument for December night sky. Comet Wirtanen will be at its closest approach. And What makes a galaxy? more with @awesomeastropod at #365DaysOfAstro
Tag: Comet 46P Wirtanen
Prepare your instrument for December night sky. Comet Wirtanen will be at its closest approach. And What makes a galaxy? more with @awesomeastropod at #365DaysOfAstro