OK you all, you all will be sorry now because you have got me started. How about a naked eye marathon, smallest telescope marathon. Observing in order marathon, Brent Archinal has the most M2 through M34. What is shortest time span to see all 110. Metro Center or Arizona Mills marathon and, finally, backyard marathon. I'll fess up - many of the marathons mentioned above come from Don Machholz's book, "The Observing Guide to the Messier Marathon." aj BillFerris@xxxxxxx wrote: >>Let's see, an NGC Marathon, a UGC Marathon, a Hubble Deep >>Field Marathon, an asteroid Marathon (including the ones >>discovered that night by LINEAR as an extra challenge), all the >>satellites of all the planets Marathon, a back side of the Moon >>Marathon (now that is a toughie and expensive;)........ >> >>Any others????? >> >> > > > > -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.