When and Where A Marathon Is Possible
The number of Messier objects visible in any one night varies depending on a few factors, including the location of the observer, the duration of daylight/nighttime, and the season (the positions of the Messier objects relative to the sun varies with the season).
Read more about this topic: Messier Marathon
Famous quotes containing the word marathon:
“In their eyes I have seen
the pin men of madness in marathon trim
race round the track of the stadium pupil.”
—Patricia K. Page (b. 1916)