Mr Lim Choon Kiat's Observatory

1. Structures of Observatory:
1. Manual Sliding Roofs (can be controlled automation in some cases)
1. Much more affordable
2. Prevents rain from seeping through and damaging equipment (telescopes)
3. Convenient
4. Operated from the location itself
2. Compared to a dome-like structure which is … 
1. very, very costly
2. and mainly used for keeping out snow (prevent structure from collapsing into itself)
3. Usually operated from another base

The Manual Sliding Roofs are structure for Mr Lim CK's Observatory as well as the Heng Ee High School Observatory. This sliding structure is mostly used throughout the world. The dome-like structure is only used in snowy places such as Norway, Sweden, Switzerland and many others.