*** The Sun – An Observing Manual

This new manual is now available in the AL Store:  (https://store.astroleague.org/index.php?main_page=product_info&cPath=1&products_id=206).

It was developed by two of the Observing Program Directors and replaces the prior, and out of print, AL Solar Manual.  This completely revised and updated manual is a collection of information about the Sun. Everything you want to know about our nearest star and an excellent resource for the Astronomical League’s Observing Programs that contain solar requirements:

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