Review of Baader’s New UHC-L Filter: The Ultimate Weapon Against Light Pollution?

16:09
Testing astrophotography filters with a HIGH RESOLUTION spectrophotometer

22:11
NEBULA FILTERS for TELESCOPES

21:05
Light Pollution Filter SHOOTOUT - Optolong L-Pro v. Astronomik CLS v. Svbony CLS v. Baader Neodymium

11:30
Can color filters really improve planetary observations? - Lumicon filters review

11:24
Buying A Telescope IN JAPAN: What You Need To Know Before You Go

17:20
8 Tips for Better Astro Images in Heavy Light Pollution

5:27
A Sad Moment in American History

13:26