Analysis of Messier Marathons, as of 2011 (original) (raw)

by A.J. Crayon

Messier Marathons have been continually offered in Arizona since 1993 along with some pretty good record keeping. Thanks to my good friend Hartmut Frommert in Germany. Around 1999 I began to suspect that, in Arizona at least, there was a jump in telescope aperture. Reviewing our records didn't seem to support this hypothesis - at least not a lot. As time went by not only was aperture concern still there but also the number of observers. Then in early 2011 I discovered the Messier Marathon Results Table, see http://messier.seds.org/xtra/marathon/res_tab.txtfor details. This ASCII file is the results of work by Don Machholz and Hartmut Frommert and has an excellent format that was adhered to consistently. Here I thought was a chance to use my programming skills to mine some data to answer my questions. Turns out more questions came up that were easily answered by programming.

The first result has to do with how many marathons observers have done. See <Observer%5Fresults-2011.txt>. The format is as follows -

• First column is Messier objects found
• Second column is number of times 110 objects have been found
• Third column is the number of Messier Marathons attended
• Fourth column is the observers name It was expected that Don Machholz had the most but I should have know that Tom Hoffelder was next. Turns out there have been a total of 658 folks that have attended marathons since this record keeping began in 1977.

The next attempt was to determine something about aperture size. The columns are the year, number of telescopes and average size in inches and millimeters. Again the theory of aperture increase was not evident. What was evident is the number of telescopes increased dramatically beginning in 1993 and was in full swing by 1999. This is a nice testament to the popularity of Messier Marathoning. See <Observer%5Fscope%5Faverage-2011.txt>for additional details.

One feature not considered before hand was binocular marathoning. While some had been done in the Arizona events they didn't seem to garner that much attention. This wasn't the case world wide. So a look at this data seemed a good path to follow. A questions that immediately arises is what's the smallest size to do a marathon. Which then brings the question what constitutes doing a marathon. Here the consideration is how many objects does one need to see to satisfy this requirement. This answer is left to the readers to decide for themselves.

It turns out that 110 have been found with binoculars. That's no surprise. First to do so was George Gilbart-Smith in 2009 with 12X80's. Two years later this feat was repeated by my friend Brent Archinal in 11X80's. Other's have observed significant number of objects is smaller binoculars. If you are a glutton for punishment there's more data at <Observer%5Fbinos-2011.txt>. The columns are -

• First is the power, unk if not listed
• Second is the diameter, unk if not listed
• Next is year month and date followed by number found and the observer's name. After the binoculars came a new thought, one that was never considered prior to writing the program. That is a record book. This book would have to be similar to a sports record book that kept information about prior records with the most current listed first. The Messier Marathon Record Book would contain a list of the smallest aperture to do a marathon. Here, again, the question arises as to what constitutes doing, or completing, a marathon. Arbitrarily, a lower limit of 100 objects was decided upon. The data is ordered by year, the aperture size.

A quick review of the data, found at <Observer%5Frecord%5Fbook-2011.txt>, shows that a 60mm Borg refractor is the smallest - so far. Paul Clark first to do so with 110 on March 24/25 2006. One day later Rick Tejera, another good friend and observing buddy, found 107 and again in 2010 Rick found 109. Again, if you are still wanting more information about this topic see file <Observer%5Frecord%5Fbook-2011.txt>.

Again, if you are interested in the original data it is part of the Messier Marathon Results Table at http://messier.seds.org/xtra/marathon/res_tab.txt.

If you find any errors with this report let me know at acrayon at cox.net and I'll try to jerry-rig a fix.

Thanks so much for everyone's support.
AJ Crayon - All Arizona Messier Marathon Coordinator.

• Observer Results
• Observer Scope Average
• Binocular Results
• Observer Record Book
• AJ's 2015 Analysis of Messier Marathons, an update of this report

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Created February 2012. Definite Version: March 1, 2012.
Last Modification: May 12, 2015