Planetarium System

  • Digital projection system
  • Optical system
  • Simulation Software


  • Consulting of upgrade
  • Design of Planetarium
  • Event in Planetarium


  • Full dome shows
  • Development of Fulldome contents
  • Distribution of Fulldome shows

Screen &  equipment

  • Dome screen
  • Flexible dome screen
  • Audio & LED cove lighting

Simulation Software

SkyExplorer 4 is lastest version of simulation software of RSA Cosmos. it has upgraded user interface such as Interative Dome View, Resource Manager and Drag & Drop or Drag & Fly. Also it propose stunning Realism.
Users in Korea
  • 국립어린이과학관
  • 국립부산과학관
  • 국립대구과학관
  • 국립광주과학관
  • 울산과학관
  • 밀양아리랑 우주천문대
  • 공군사관학교
  • 전라남도과학교육원
  • 경상남도과학교육원
  • 경상북도과학교육원
  • 광주광역시교육과학연구원
  • 국립고흥청소년체험센터
We are representative of                


Optical System

You can enjoy the starry sky with Optical system. Megastar system of Ohira Tech delivers the magnificent starry sky and the Universe.

Megastars in Korea
  • 밀양아리랑 우주천문대 Megastar IIA
  • 영천보현산천문대 Megastar Neo
  • 대전시민천문대  Megastar Neo
  • 군포누리천문대  Megastar CLASS
  • 과천정보과학도서관 Megastar CLASS
We collaborate with       

Dome Theater

Projection system / Auto calibration / Gaming system
We collaborate with



  • Optical Telescope
  • Dome / Sliding roof
  • Telescope Control System
  • Dome Control
  • Consulting