The second Manchester Echelle spectrometer
being installed in 1995 at the San Pedro Martir telescope in
The 25 degree long arcs of ionized gas in the
Eridanus Constellation were first discovered by the group in
1965. The new (negative) image shown here was obtained in the
light of the hydrogen alpha line with the Manchester wide field
CCD camera for detailed comparison with X-ray, far infrared
and radio images recently obtained of these the nearest interstellar
The 1000 parsec diameter supergiant shells shown
here were found using this group's interference filter (32 cm.
square) combined with the UK Schmidt telescope. They surround
the turbulent 30 Doradus nebula, stirred up by successive supernova
explosions and particle winds from hot massive star
An HST image of the Hourglass planetary nebula. Bi-polar streams
of hypersonic bullets of ionized gas have been discovered streaming
along the nebular axis.