Mini-HAWKs is a ~50 sqr deg pathfinder of the Galactic Plane down to r~21 that uses 3 specially customized Hα filters that are optimized to select targets with broad Hα emission lines, formed in accretion discs around black holes (BHs). It will prove a novel photometric strategy that will eventually lead to the discovery of ~150 new Galactic accreting BHs i.e. a ten-fold increase over the known population. That will allow constraining the number density, orbital period distribution, kinematics and, ultimately, the BH mass spectrum. It will also uncover and characterize large numbers of other Hα emitting objects in the Galaxy to unprecedented depths, as well as, it will also furnish ~14h light curves of every object.

J-ALFIN, the Javalambre Assessment of Late stellar Feedback to the ISM by evolved Nebulae, will take advantage of the unprecedented field-of-view of the T80Cam at the JAST80 to map the large-scale emission of a carefully selected sample of Galactic nebulae around evolved stars. The late stages of dilution of planetary nebulae and nova remnants around low- and intermediate-mass stars, and Wolf-Rayet bubbles around massive stars, nebulae around supergiant B[e] stars and supernova remnants will be investigated in detail to assess the spatial extent and yields of different stars to the Interstellar Medium.