Discovery of the M31 [OIII] emission arc
Recently, a major discovery by an international team of amateur astronomers and scientists has become a huge online hit, and this new discovery is just located in one of the
Discovery Astrophotography with ZWO ASTRO
[Video] New ZWO Guide Scope and PHD2 Settings
by Chuck’s Astrophotography
2017.6.16
SUBSCRIBE SUBSCRIBED UNSUBSCRIBE
Trying to perfect autoguiding seems like a never ending process. So I ordered a new ZWO guide scope. It has a 280mm focal length and a focal ratio of f/4.6. I bought this guide scope to serve as replacement for my previous one which has a focal length of only 190mm. At the end of the video, I show the setup steps to adjust PHD2 for the new scope. Here is more info on the ZWO guide scope:
Aperture: 60mm
Focal Length: 280mm
Focal Ratio: f/4.6
Optics: Multi-coated, cemented lens
Focus Travel: 30mm (1.18″)
Focuser: Helical
Rings: Dual rings with a total of six alignment screws
Dovetail: Underside has five 1/4″ screw holes for mounting
Weight: 640g (1.4 lb.)
More Posts
Taranjot Singh’s story with ZWO products- one of the Top 5 finalists in the prestigious Siena Creative Awards 2024
Taranjot Singh, an Indian origin Australian astrophotographer who is making waves on the international stage. Taranjot has been recognized as one of the Top 5 finalists in the prestigious Siena
The best solution of 55mm back focal length
The back focal length is advised by telescope manufacturers. Since most telescopes have a 55mm back focal length, we are here to provide detailed instructions for all ASI cooled cameras.Please
[ASI6200 Guide] 5 connection methods to get 55mm back focus length
How to connect ASI6200MM Pro to 2″ EFW/M54 filter drawer and OAG-L? How many solutions are there for ASI6200MM Pro to get 55mm back focus length? If you are still
[ASI2600 Guide] 4 Connection methods to get 55mm back focus length
People are asking the connect methods of ASI2600MM Pro: How to use it with the new 36mm EFW? How to reach the 55mm back focus distance? What accessories I need
Astrophotographer’s Story: Andrea Arbizzi
Hello Andrea Arbizzi，thanks for accepting our interview invitation. Congratulations on winning the ASIWEEK competition in week#42/2024！ Q1: At first, congratulation that your nice image won #ASIWEEK. Can you introduce yourself