I see your link and some of the folks I have seen on Youtube before. Yes, the images in the link you posted are "amateurs" ie Not professional astronomers, but they are truly capable, very knowledgeable, and pretty well equipped and highly motivated.
Kerry Ann Lecky Hepburn has her own permanent stationary observatory with dome.
Trevor Jones does have to haul his tripod and telescope in and out of his garage, but only maybe a dozen feet. I'm not sure how easily he can see the lower sky in any direction, but he does get pretty good viewing fairly often it seems.
I am still learning to perform polar alignment which is a manual skill that I have not mastered quite yet - cloudy winter skies in Indiana are no help at all either, nor are typical Indiana winter days of 35 °F with rain.... Which made me very interested in Trevor Jones review of the Polemaster alignment camera/tool -
Some of Trevor Jones images can be seen here
I would also like to point out that Canon has recently introduced the EOS Ra body - a Canon R mirrorless body with Alpha Hydrogen filters built in for deep sky photography