Jedi Dan's Corner
Sara J. Martinez /MEDILL

CAS Director At Large Dan Joyce is a master optician. He is retired from the Cernan Space Center but continues to observe the night skies. During the day he is employed as an elementary school bus driver. He taught mirror making at the Adler Planetarium, and after the class was discontinued he opened his own class to teach mirror making. His shop was at 9701 Grand Ave. in Franklin Park. His students finished optics as large as 23"
He is fondly nicknamed "Jedi Dan."

Posted January 10, 2015

Two new prominently-named asteroids now grace our solar system:

Posted Oct 1, 2013
From Don Parker:
I have attached some RGB and CH4 Jupiter images from 26 September.


 

Posted Sep. 17, 2013
From Don Parker:
I have attached some RGB and CH4 Jupiter images from 14 September.
The small reddish spot following Oval BA appears to have divided into north and south components
with a possible bridge extending from the south component into BA. This oval is not bright in methane.


 

Posted January 2013

  1. (203602) Danjoyce = 2002 ED
		 Discovered 2002 Mar. 4 by B. L. Stevens at Desert Moon Observatory,
	Las Cruces.
		 Daniel P. Joyce (b. 1948) is a precision mirror maker and astronomy
	enthusiast, who is always willing to share his vast knowledge of the night sky
	with the public.  He has been president of the Chicago Astronomical Society
	seven times.
     
    Note: Bert Stevens with his wife Janet is a co-director of  the
	Desert Moon Observatory, www.morning-twilight.com/dm448.
	He is a past President of the Chicago Astronomical Society and
	has named other minor planet discoveries after past members John Jones,
	Dan Troiani and Mike Barrett.