This research has made use of the Jean-Marie Mariotti Center \texttt{Aspro2} service \footnote{Available at http://www.jmmc.fr/aspro2}.

It is also appreciated you add the  following reference in your citation list, which translates as the BibTeX text below.

@MISC{2013ascl.soft10005B,
   author = {{Bourg{\`e}s}, L. and {Mella}, G. and {Lafrasse}, S. and {Duvert}, G.
	},
    title = "{ASPRO 2: Astronomical Software to PRepare Observations}",
 keywords = {Software },
howpublished = {Astrophysics Source Code Library},
     year = 2013,
    month = oct,
archivePrefix = "ascl",
   eprint = {1310.005},
   adsurl = {http://cdsads.u-strasbg.fr/abs/2013ascl.soft10005B},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}