- helio, ils, observatory location, instrument location1
- helio, uoc, observing catalogues1
- heliosphere1
- heliospheric1
- hesiod1
- hierarchical progressive surveys1
- high energy and microwave astronomy1
- hipass project data1
- hubble space telescope observations1
- hyperspectral1
- imaging spectroscopy1
- imaging survey optical1
- individual (m31) - galaxies: star clusters - globular clusters:
general - star clusters: general1
- infrared sky survey1
- infrared spectra1
- infrared, fits, research, spitzer1
- infrared, spitzer, fits, research1
- infrared: galaxies1
- infrared:galaxies1
- instrument1
