H-ALPHA 2021-03-17 09:48UT
DayStar SolarScout SS60-DS TS-Optics Focal reducer 0.5x Geoptik variable T2 spacer ZWO ASI178MM SharpCap AutoStakkert! AstroSurface Adobe Photoshop CS2
António Cidadão a.cidadao@campus.ul.pt