Night Sky (magazine) explained

rightNight Sky is a discontinued American bimonthly magazine for entry-level stargazers. It was published between May/June 2004 and March/April 2007 by Sky Publishing, which also produces Sky & Telescope (S&T).^{[1] [2]}

Night Sky was intended to be a less technical than S&T. The target audience was recreational naked-eye and low-power instrument observers. The magazine was discontinued because of low sales, and subscriptions were converted to an equal number of issues of S&T.^[3]

Notes and References

1. News: Richard Tresch Fienberg. J. Kelly Beatty. Night Sky Magazine to Cease Publication. December 3, 2015. Sky & Telescope. December 11, 2015.
2. News: Night Sky Magazine. April 30, 2016. Sky & Telescope.
3. Web site: Night Sky Magazine. September 13, 2007.