111P/Helin-Roman-Crockett (1988)
Japanese version
Home page
Updated on July 16, 2006
Profile
Designation
111P/1989 A1
Discovery Date
January 2, 1989
Magnitude
15.5 mag
Discoverer
Eleanor Helin, Ron Helin, Brian Roman and Randy Crockett (Jet Propulsion Laboratory)
Magnitudes Graph
m1 = -3 + 5 log d + 30 log r
The magnitudes graphs are made with
Comet for Windows
.
Copyright(C) Seiichi Yoshida (
comet@aerith.net
). All rights reserved.