Telescope & Scope Black Friday Deals for 2025
Telescopes Black Friday Deals: Up to 50% Off! Lock in deals early to enjoy priority overseas warehouse shipping, extended warranty, and price protection. Read More
Blog
Review of the SVbony SV220 3nm Dual band H-Alpha&OIII Filter
Jim Thompson, P.Eng., reviews the SV220 3nm H-Alpha & OIII filters and compares them against industry benchmark brands. Read More
The Third Interstellar Comet 3I/ATLAS: Natural or Alien?
3I/ATLAS originates from beyond solar system, comet 3I/ATLAS is only the third interstellar visitor ever seen, following 1I/ʻOumuamua and 2I/Borisov. Read More
What is a "blood moon"?
The "blood moon" is a total lunar eclipse, and the next one will occur from September 7 to 8, 2025. In most parts of China (except a small part of the Northeast), the entire process can be seen. In addition, regions such as Asia, Europe, Oceania, Africa, and Antarctica can also witness this celestial event. Read More