Welcome to the:
Johnson Space Center Astronomical Society (JSCAS) web site.
JSCAS is an association of amateur astronomers dedicated to the study and enjoyment of astronomy since 29 May 1967.
Presentations: (These are various presentation that have been rendered at JSCAS meetings. For space reasons they are posted in PDF format with permission by the authors/presenters!)
Main speaker topics:
None
Historical Talks:
Friedrich Georg Wilhelm von Struve
Novice talks:
Novice talk on PNe V-V classification
Overview of Trumpler classification system