2021

Calendário do Site In-the-sky.org:
https://in-the-sky.org/widgets/newscal.php

Almanaque Astronomico Brasileiro 2021 – CEAMIG

Software para se localizar no Céu

SkySafari para Android ou IOS
https://play.google.com/store/apps/details?id=com.simulationcurriculum.skysafari5

Stellarium Windows/MAC
http://stellarium.org/

SkyChart/Cartes du Ciel Windows/Linux
https://www.ap-i.net/skychart/en/start

Cartas Celestes para imprimir:

Skymaps – Todo mes uma carta atualizada
http://www.skymaps.com/downloads.html