First ESO images of Halley
Halley in January 1984
Halley develops two ion tails
Halley recovered at ESO on February 15, 1986

FIG. g-01

FIG. g-02

FIG. g-03

FIG. g-04
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
Halley's multiple tails
Halley develops seven tails
Halley's CO- tail on february 27, 1986
Colour composite of Comet Halley

FIG. g-05

FIG. g-06

FIG. g-07

FIG. g-08
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
Rapid changes in Halley's CO- tail
Near-nucleus activity
Disconnection event in Halley's gas tail-March 8, 1986
Disconnection event in Halley's gas tail-March 9, 1986

FIG. g-09

FIG. g-10

FIG. g-11

FIG. g-12
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
Disconnection event in Halley's gas tail-March 10, 1986
Halley's CO- tail-March 18, 1986
Halley's CO- tail-March 19, 1986
Halley's CO- tail-March 20, 1986

FIG. g-13

FIG. g-14

FIG. g-15

FIG. g-16
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
Did a piece of the nucleus brak off ?
Comet Halley and the Milky Way
Halley above the 3.6 m dome
Halley developes very long tail

FIG. g-17

FIG. g-18

FIG. g-19

FIG. g-20
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory
by: E.S.O.- European Southern Observatory