Roll, Pitch & Visibility Parameters

	YYYY	MM	DD
Start Date:				(Earliest is 2009 Jan. 01)
End Date:				(Latest is 2009 Dec. 31)

Despite small changes in Chandra spacecraft ephemeris (updated here Dec 2007), because roll, pitch and visibility are periodic, these plots are good for any year.

Target Coordinates(J2000)
RA DEC