Marathon Dates

You can search for Messier objects anytime, but below are some of the best dates for all night marathons.

Messier Marathon Dates

Given below are the best dates for Messier Marathons for the upcoming future years up to 2019. This table is based on data from Don Machholz' Messier Marathon Observer's Guide.

Year  New Moon[s]          Primary Weekend      Secondary Weekend 
    
Future dates.... 

2008  Mar 07.7, Apr 06.2   Mar 08               Mar 29 
2009  Mar 26.7             Mar 28 

2010  Mar 15.9             Mar 13               Mar 20 
2011  Mar 04.9, Apr 03.6   Mar 05               Apr 02 
2012  Mar 22.6             Mar 24 
2013  Mar 11.8             Mar 09               Mar 16 
2014  Mar 01.0, Mar 30.8   Mar 29 

2015  Mar 20.4             Mar 21 
2016  Mar 09.1             Mar 12               Apr 05 
2017  Mar 28.1             Mar 25               Apr 01 
2018  Mar 17.5             Mar 17 
2019  Mar 06.7, Apr 05.4   Mar 30               Mar 09