A new option has been added to the Requirements for the Mercury Transirt Special Observing Award. Please see it under the Requirements on the webpage: https://www.astroleague.org/PlanetaryTransit_Venus2012
A new option has been added to the Requirements for the Mercury Transirt Special Observing Award. Please see it under the Requirements on the webpage: https://www.astroleague.org/PlanetaryTransit_Venus2012