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{{Infobox observatory | {{Infobox observatory | ||
|name = Udaipur Solar Observatory | |name = Udaipur Solar Observatory | ||
|image = | |image = file:USO Observatory.jpg | ||
|caption = | |caption = Aerial view of the observatory in June 2022 | ||
|established = 1976 | |established = 1976 | ||
|coords = {{coord|24|36|16.52|N|73|40|27.08|E|display=inline,title|type:landmark_region:IN_source:dewiki}} | |coords = {{coord|24|36|16.52|N|73|40|27.08|E|display=inline,title|type:landmark_region:IN_source:dewiki}} | ||
|website = | |website = {{URL|http://www.prl.res.in/~uso/}} | ||
}} | }} | ||
The '''Udaipur Solar Observatory (USO | The '''Udaipur Solar Observatory''' ('''USO''') is a [[solar observatory]] located in [[Udaipur]], Rajasthan, India on an island in the [[Fateh Sagar Lake]].<ref>{{cite news|last1=Desai|first1=Aadil|title=Sun Spotting|url=http://www.dnaindia.com/lifestyle/report-sun-spotting-1929845|access-date=6 July 2015|work=Daily News & Analysis|date=5 December 2013}}</ref> The sky conditions at Udaipur are quite favourable for solar observations. Since the observatory is situated amidst a large mass of water, air turbulence which occurs due to ground heating by sun's rays is decreased. This improves the image quality and accuracy (average between 1-2 arc seconds).{{Citation needed|reason=This claim needs a reliable source or at least some source|date=June 2025}} | ||
==History== | ==History== | ||
The observatory was built in 1976 by [[Arvind Bhatnagar|Dr. Arvind Bhatnagar]]<ref>{{Cite web|title=Udaipur Solar Observatory- Solar Observatory in Udaipur, Solar Observatory Udaipur Rajasthan India|url=http://www.udaipur.org.uk/tourist-attractions/lakes-of-udaipur.html|access-date=2020-12-15|website=www.udaipur.org.uk}}</ref> following the model of the [[Big Bear Solar Observatory|Solar Observatory at Big Bear lake]] in Southern California. Later, he was joined by Dr. Ashok Ambastha in 1983 and subsequently by many others at different stages who have continued | The observatory was built in 1976 by [[Arvind Bhatnagar|Dr. Arvind Bhatnagar]]<ref>{{Cite web|title=Udaipur Solar Observatory- Solar Observatory in Udaipur, Solar Observatory Udaipur Rajasthan India|url=http://www.udaipur.org.uk/tourist-attractions/lakes-of-udaipur.html|access-date=2020-12-15|website=www.udaipur.org.uk}}</ref> following the model of the [[Big Bear Solar Observatory|Solar Observatory at Big Bear lake]] in Southern California. Later, he was joined by Dr. Ashok Ambastha in 1983 and subsequently by many others at different stages who have continued to contribute to the growth of this observatory. | ||
==Telescopes== | ==Telescopes== | ||
Utilizing a variety of telescopes, USO is known for its solar observations, which include high-resolution [[Sun|solar]] chromospheric, [[magnetic field]], [[velocity]], and [[Electromagnetic spectrum|spectral]] observations, for studies pertaining to [[solar flare]]s, [[mass ejections]], and the evolution of [[solar active regions]]. USO fills the large longitudinal gap between Australia and Spain, and provides a link for continuous solar coverage in international collaborative programs, including the [[Global Oscillations Network Group]] (GONG). Since 1981, USO has been managed by the Physical Research Laboratory, Ahmedabad, for the Department of Space, Government of India. | Utilizing a variety of telescopes, USO is known for its solar observations, which include high-resolution [[Sun|solar]] chromospheric, [[magnetic field]], [[velocity]], and [[Electromagnetic spectrum|spectral]] observations, for studies pertaining to [[solar flare]]s, [[mass ejections]], and the evolution of [[solar active regions]]. USO fills the large longitudinal gap between Australia and Spain, and provides a link for continuous solar coverage in international collaborative programs, including the [[Global Oscillations Network Group]] (GONG).{{Citation needed|reason=This claim needs a reliable source|date=June 2025}} Since 1981, USO has been managed by the Physical Research Laboratory, Ahmedabad, for the Department of Space, Government of India. | ||
[[File:Udaipur observatory.jpg|thumb|The observatory in December 2002 during a dry season]] | |||
===Multi Application Solar Telescope (MAST)=== | ===Multi Application Solar Telescope (MAST)=== | ||
The Multi Application Solar Telescope (MAST) was operationalised on 4 August 2015. MAST is an off-axis Gregorian-Coude telescope with a 50 cm aperture to be used to study the Sun's magnetic field.<ref>{{cite web|title=Multi Application Solar Telescope Operationalised at Udaipur Solar Observatory|url=http://www.isro.gov.in/about-isro/multi-application-solar-telescope-operationalised-udaipur-solar-observatory|website=ISRO|access-date=6 July 2015}}</ref><ref>{{cite news|last1=Mukunth|first1=Vasudevan|title=A Telescope that Gives India a New Place in the Sun|url=http://thewire.in/2015/07/08/a-telescope-that-gives-india-a-new-place-in-the-sun/|access-date=9 July 2015|publisher=The Wire|date=8 July 2015}}</ref> | The Multi Application Solar Telescope (MAST) was operationalised on 4 August 2015. MAST is an off-axis Gregorian-Coude telescope with a 50 cm aperture to be used to study the Sun's magnetic field.<ref>{{cite web|title=Multi Application Solar Telescope Operationalised at Udaipur Solar Observatory|url=http://www.isro.gov.in/about-isro/multi-application-solar-telescope-operationalised-udaipur-solar-observatory|website=ISRO|access-date=6 July 2015|archive-date=25 August 2016|archive-url=https://web.archive.org/web/20160825164343/http://www.isro.gov.in/about-isro/multi-application-solar-telescope-operationalised-udaipur-solar-observatory|url-status=dead}}</ref><ref>{{cite news|last1=Mukunth|first1=Vasudevan|title=A Telescope that Gives India a New Place in the Sun|url=http://thewire.in/2015/07/08/a-telescope-that-gives-india-a-new-place-in-the-sun/|access-date=9 July 2015|publisher=The Wire|date=8 July 2015}}</ref> | ||
==See also== | ==See also== | ||
| Line 36: | Line 34: | ||
[[Category:Astronomical observatories in Rajasthan]] | [[Category:Astronomical observatories in Rajasthan]] | ||
[[Category:Astronomical observatories in India]] | [[Category:Astronomical observatories in India]] | ||
[[Category:Buildings and structures in Udaipur]] | [[Category:Buildings and structures in Udaipur]] | ||
[[Category:Tourist attractions in Udaipur]] | [[Category:Tourist attractions in Udaipur]] | ||
[[Category:Solar telescopes]] | [[Category:Solar telescopes]] | ||
[[Category:1976 establishments in Rajasthan]] | [[Category:1976 establishments in Rajasthan]] | ||
[[Category:Buildings and structures completed in 1976]] | |||
Latest revision as of 13:41, 16 December 2025
 | This article needs additional citations for verification. (July 2015) |
The Udaipur Solar Observatory (USO) is a solar observatory located in Udaipur, Rajasthan, India on an island in the Fateh Sagar Lake.[1] The sky conditions at Udaipur are quite favourable for solar observations. Since the observatory is situated amidst a large mass of water, air turbulence which occurs due to ground heating by sun's rays is decreased. This improves the image quality and accuracy (average between 1-2 arc seconds).[citation needed]
History[edit | edit source]
The observatory was built in 1976 by Dr. Arvind Bhatnagar[2] following the model of the Solar Observatory at Big Bear lake in Southern California. Later, he was joined by Dr. Ashok Ambastha in 1983 and subsequently by many others at different stages who have continued to contribute to the growth of this observatory.
Telescopes[edit | edit source]
Utilizing a variety of telescopes, USO is known for its solar observations, which include high-resolution solar chromospheric, magnetic field, velocity, and spectral observations, for studies pertaining to solar flares, mass ejections, and the evolution of solar active regions. USO fills the large longitudinal gap between Australia and Spain, and provides a link for continuous solar coverage in international collaborative programs, including the Global Oscillations Network Group (GONG).[citation needed] Since 1981, USO has been managed by the Physical Research Laboratory, Ahmedabad, for the Department of Space, Government of India.
Multi Application Solar Telescope (MAST)[edit | edit source]
The Multi Application Solar Telescope (MAST) was operationalised on 4 August 2015. MAST is an off-axis Gregorian-Coude telescope with a 50 cm aperture to be used to study the Sun's magnetic field.[3][4]
See also[edit | edit source]
References[edit | edit source]
- ↑ Desai, Aadil (5 December 2013). "Sun Spotting". Daily News & Analysis. Retrieved 6 July 2015.
- ↑ "Udaipur Solar Observatory- Solar Observatory in Udaipur, Solar Observatory Udaipur Rajasthan India". www.udaipur.org.uk. Retrieved 15 December 2020.
- ↑ "Multi Application Solar Telescope Operationalised at Udaipur Solar Observatory". ISRO. Archived from the original on 25 August 2016. Retrieved 6 July 2015.
- ↑ Mukunth, Vasudevan (8 July 2015). "A Telescope that Gives India a New Place in the Sun". The Wire. Retrieved 9 July 2015.