| Sector 71 | |
| Settlement Type: | Sector |
| Pushpin Map: | India Punjab |
| Pushpin Map Caption: | Location in Punjab, India |
| Coordinates: | 30.704°N 76.7096°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Punjab |
| Subdivision Type2: | District |
| Subdivision Name2: | Ajitgarh or sahibjada ajit singh nagar |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Title2: | Others |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 160071 |
| Area Code Type: | Telephone code |
| Area Code: | 0172 |
| Registration Plate: | PB 65 |
Sector 71
is residential sector located in Mohali, Punjab famous for Ivy Hospital. It is covered with Mattaur, Sector 72, 70, Sohana, Sector 60 and Sector 76, Mohali.
Sector 71 is situated on Himalaya Marg, on Chandigarh-Sohana road and Mohali Bypass road. It is well connected with road, rail and air. The nearest airports are Chandigarh Airport and railway station at Industrial Area - Phase 9. It is entry point from all sides of Punjab towards Mohali Bus Stand. Auto rickshaw are easily available for commuting. A few CTU local buses also available connecting PGI and Landran.[2]
The name LeOrion is derived from the two main constellations Leo and Orion. LeOrion serves the astronomical events, lunar and planetary observations to the public. The stellar observations are done for spectrum analysis. The observatory is located 30° 42' 21.31'' N, 76° 42' 23.95'' E.
The observatory consists of Meade LX-90ACF 12-inches telescope. The observatory is under the private control since 26 September 2016 and will soon be open to public and amateur astronomers of North India. The main focus of the observatory is to capture the spectrum of the binary stars, planetary nebula, supernova remnant, comets, red/blue shifts and stars having visual magnitude greater than +6.5(not visible to naked eye). The observatory is controlled by Amrinderjit Singh.