theastroastro
- Choosing and Using a New CAT: Getting the Most from Your Schmidt Cassegrain or Any Catadioptric Telescope (The Patrick Moore Practical Astronomy Series) is 13.5 USD (69% off) www.amazon.com/Choosing-Usi... DealsW,com/astro #astronomy #astrophotography
- M81 & M83 (Bode’s Galaxy & the Cigar Galaxy) [by Astro_Philosopher] #astronomy #astrophotography
