This is it!  This is the time of year!  Your opportunity to see all 110 Messier Objects in a single night.  How many can you see?  You can download an observing form here:  https://www.astroleague.org/wp-content/uploads/2025/03/Messier-Marathon-Log-2025.pdf.  The AL also has a downloadable certificate that you can use for yourself or others.  It can be downloaded here:  https://www.astroleague.org/wp-content/uploads/2025/03/AL-Messier-Marathon-Certificate-Allen.pdf.