C9.25 Imaging Train Tuning and L-Pro and Antlia Triband Filter Comparison
22:21
Using Stellarium "Markers" to Set Up an Off-Axis Guider
21:09
Galaxy Imaging with the L-PRO Filter and a Full Moon
17:57
Antlia Quadband - The New King of OSC Astrophotography Filters?
2:46
Top 10 Missões Espaciais Mais Caras de Todos os Tempos!
21:01
Watch Trudeau speak directly to Trump during blistering speech
17:33
Back-Focus 101: Celestron EdgeHD: C9.25, C11, and C14 Advanced Back-Focus with the Celestron OAG
16:25
Lente de câmera f/0,38 feita com objetiva de microscópio de imersão em óleo
18:27