A useful book for recording notes and sketches of astronomical objects. This lightweight A5 resource contains 258 pages, sufficient for the Messier or Caldwell Catalogs, or the Lunar 100. Each page contains fields for object, observer, date, time, telescope, eyepiece, magnitude, seeing, naked eye limiting magnitude, field size, filter and a large sketching circle. The book also includes a table of contents you can fill in to find your sketches and notes quickly.