Sharma, T. K; Parihar, P. S; Banyal, R. K; Ahmad Dar, Ajaz; Kemkar, P. M. M; Stanzin, U; Anupama, G. C
(Oxford University Press on behalf of the Royal Astronomical Society, 2017-08)
We have developed a simple and portable device that makes precise and automated measurements of night sky extinction. Our instrument uses a commercially available telephoto lens for
light collection, which is retrofitted ...