The observation of Crescent on Dzulhijjah in Indonesia was done on August 22, 2017. at that time I obseved in Condrodipo Hill, Gresik, Indonesia. This place is a very special, why is it like that? because...
Operational Telescope : Ioptron Versa 108 ED APO OTA with Ioptron Minitower II-8300-2G Mount
A. The Parts
The Parts of OTA
1. Telescope Tubes
2. Objective Lenses
3. Lens Fence
4. Tube Clamps
5. Clamp Key
6. Focuser Hinges Key
7. Eyepiece Placement Hole
8. Focuser
9. Eyepiece Key
10. Focuser...
Islamic Astronomy Tools : Celestron Nexstar 4 SE
In studying a science, of course there are theories and also field practice, studying physics and biology must definitely practice in the laboratory, learning sports science should definitely practice...
