Deutsch
EnglishTed Williams from the US has compared a Astronomik UHC with a UHC filter from a chinese factory:
https://cynet0078.wixsite.com/opmmmgroup/blog-1/astronomik-uhc-filter
- Astronomik Lunar calendar for 2024
The Astronomik calendar of the Lunar phases in 2024 is ready.
- Chistmastime and New Year 2023-2024
We wish you a merry Chirstmastime and a happy and healthy 2024...
- Astronomik Lunar calendar for 2023
The Astronomik calendar of the Lunar phases in 2023 is ready.
- Chistmastime and New Year 2022-2023
We wish you a merry Chirstmastime and a happy and healthy 2023...
- Shipping methods
Shipping as registred good shipment is no longer available
- How to observe planetary nebulae
A very nice introduction to observing planetary nebulas written by Owen Brazell