Order by: Trending (past 30 days)Date ← Go back On 07/20/2025 11:45 am by Mauro Rana | Hampton, Virginia Share Twitter Facebook Reddit LinkedIn Email The sun in various wavelengths: hydrogen-alpha, helium (D3), sodium (D2), and calcium H. MLAstro SHG700 iOptron HAE29 mount ZWO ASI178mm camera JSol'Ex, GIMP