This is the classic sized version of the wall calendar, measuring 8.5" x 11".


“Jimmy’s 2023 COSMIC CALENDAR” – Now in its 18th year, Jimmy’s “Cosmic Calendar” is the gold standard in astronomical calendars. The 2023 Cosmic Calendar is “The Yellowstone National Park Edition” and includes twelve stunning images that award-winning astrophotographer Jimmy Westlake took while spending five months working in Yellowstone in the spring and summer of 2022. With each monthly image comes a wealth of information on when and where to watch 226 cool celestial events happening in 2023:  lunar and solar eclipses, planet alignments, comets, meteor showers, and more!

Jimmy's 2023 Cosmic Calendar - "The Yellowstone NP Edition"

  • Product Code: Calendar-2023-classic
  • Availability: In Stock
  • $24.99


  • 5 or more $22.49