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We present kinematical evidence that the irregular galaxy located 26'' northwest of IZw18 -the most metal-poor blue-compact-dwarf (BCD) galaxy known- is a dynamically associated companion system. Longslit CCD spectra were obtained in 1996 February using the 4.2m WHT+ISIS at La Palma, with the slit placed across the NW HII region of IZw18 and

The narrow-band optical images in several of the most important atomic lines and neighbouring continuum were secured at Las Campanas Observatory (LCO) in 1994 March 17-22, using the 40-in. telescope (LCO-40) and the TEK1 1024x1024 pixel detector. The narrow-band filters are centred in the following emission lines: H{beta}, [OIII] 5007{AA}, Hα, [NII

Radial velocities of epsilon Persei primary component are presented. They are from 15 various sources (observatories, instruments). The journal of data sources in details is in our paper, see Table 2. Each source is designated by number in column 3. (2 data files).

Science goals for missions to Jupiter in the early 1980's are reviewed and a case is made for the science community to play the key role in assigning relative priorities for these goals. A reference set of measurement requirements and their priorities is established and those high priority goals that are most demanding on spacecraft and mission

On 2002 we started an observational campaign devoted to the study of the surface composition of Jupiter Trojans. In particular we focused on the study of members of dynamical families: we obtained visible spectra of 80 objects belonging to 10 different families and for 24 of them we obtained also near-infrared spectra. All the investigated bodies