This article [J. Astron. Telesc. Instrum. Syst. 1(3), 034003 (Jul 15 2015)] was originally published online with an error in the sixth author’s name.
The name originally appeared as “Kenji Ogi.” It should read “Keiji Ogi” as shown in the author list above.
All online versions of the article were corrected on 28 July 2015. The article appears correctly in print.