. Keep track of your night sky ovservations easily and effectively with this simple, gorgeous astronomy journal log book. It is designed specially and neatly to help you organize your notes and observations whether you are a beginners or a more experienced observer, since it has plenty of room for keeping in details plus organized areas for the date, time and location. Features: - Great size: 8.5*11, for a better and more comfortable experience. -210 pages. -Black and white papers. -Matte finish cover for the best durability. -Paper weight recommended for pencil, colored pencil, gel pen, and ballpoint pen.