observatory was constructed by Maharaja Sawai raja Jaisingh(II) of
jaipur in 1719 when he was in Ujjain as the governor of Malva under
the reign of King Muhammad Shah of Delhi. Besides being a brave fighter
and a politician, Raja Jaisingh was exceptionally a scholar. He studies
books astro-mathematics available in the Persian and Arabic languages
at that time. He himself wrote book on astronomy.
Mirza Ulook Beig, the grandson of Temur Lung and an expert in astronomy,
built an observatory in Samarkand. Raja Jaisingh built observatories
in Ujjain, Jaipur, Delhi, Mathura and Varanasi in India by the permission
of King Muhammad Shah. Raja Jaisingh sat up new instruments in these
observatories of the employing his skills. He himself made alternations
in anumber of main astro-mathematical instruments by observing the
activities of planets for eight years in Ujjain.
There after the observatory remained uncared for two decades. Then
as per the suggestions of Siddhantavagish, (Late) Shri Narayanji Vayas,
Ganak Churanami and (Late) Shri G.S. Apte, the first superintendent
of the observatory, (Late) Maharaja Madhav Rao Schindia renovated
the observatory and funded it for its active use. Since then it has
been continuously functioning.
The four yantras viz. Sun-Dial, Narivalaya, Digansha and Transit instruments
were made guided by Raja Jaisingh in the observatory. The Shanku(Gnomon)
Yantra has been prepared under the direction of (Late) Shri G.S. Apte.
Having arrived at the last moments of its position, the Digansha Yantra
was re-constructed in 1982. Marble notice-boards displaying information
about the instruments were prepared, both in Hindi and Engilsh, in1983.
Miss Swarnmala Rawala,the then Commissioner of Ujjain Division, was
at great pains to completely renovate and beautify the observatory
in 2003. IN addition, ten solar- power-operated solar tube-lights
were installed with the help of Energy Development Corporation and
beautiful banks were contracted along the holy river Kshipra at the
observatory site under the guidance of M.P. Laghu Udyog Nigam. The
School Education Department has purchased in 2003 an automatic telescope
of 8 inches diameter of facilitate visitors see planets through it.
In the premises of the observatory, a planetarium, an interpretation
centre, an administrative building, a library and a conference hall
have been built in the year 2009 by the M.P. Tourism Development Corporation.
In 2014, M.P. Government School Education Department has approved
the observatory upgradation proposal. Under which the construction
of retaining wall, boundary wall, grand entrance, ticket house, architect's
designs, the construction of the ancient trees, the beautification
of ancient instruments, the installation of the idol of Maharaja Sawai
raja Jaisingh (II), regularization of complex and solar lights of
complex and solar lights, reconstruction of the ghat, digital projector
in the star mansion, pushback chair and air conditioning, by organizing
the 3rd chamber in the meeting room, setting up of new meeting arrangements
and air conditioning, complete computerization and Wi-Fi -Five
facility, computerized ticket arrangement, CCTV cameras for monitoring
campus Arrangement, digitization of ancient texts, arrangement of
jets,the provision of pure cold drinking water, the work of modern
cosmetic arrangement Completed before Simhastha-2016.