AZ-Douglass.net / AZ-DaHut.net
https://www.AZ-DaHut.net
The DJ Project Sharpless SH2-xx Catalog The Complete Herschel List Project (Started June 2017) Project Completed July 3, 2019 2022 Double Star Project from book: Discovering Double Stars Double stars for light-polluted skies (Version 2021.3) Agnes Clarke