A Simple Guide to Backyard Astronomy

astroguidev9complete.pdf 3.4 Mt

Lunar Maps

Lunar Maps.pdf 1.9 Mt

https://www.astroadventures.net/cohen/lunar/SET%201.Lunar%20Club%20Maps.Erect-North%20Up.1.1b.pdf

Top-10 Night Sky Objects for Beginners

Top10_NightSky_Objects.pdf 153.6 kt

http://www.astronomysource.com/2018/02/20/top-10-night-sky-objects-for-astronomy-beginners/

Tähtitieteen laskuja

Tähtitieteen laskuja.pdf 76.8 kt

Tähtitieteen kaavoja

Tähtitieteen kaavoja.pdf 82 kt