A list of star catalogs is available here - http://www.projectrho.com/public_html/starmaps/catalogues.php
There are many planetarium apps available from the iTunes store. This one is well-regarded - https://itunes.apple.com/us/app/the-night-sky/id475772902 On May 22, 2014, at 5:39 AM, sundial-requ...@uni-koeln.de wrote: > Date: Thu, 22 May 2014 17:56:13 +1000 > From: "Astrovisuals" <m...@astrovisuals.com.au> > To: <sundial@uni-koeln.de> > Subject: Planetarium app > Message-ID: <B55D22B3B9B142D2A3175F623C66496E@ewiddowsonPC> > Content-Type: text/plain; charset="utf-8" > > I wonder if anyone can help? I want to produce a basic planetarium app for > iPad that shows the appearance of the Night Sky anywhere on earth. > I believe I need: > A program to convert RA and Dec to Alt-azimuth co-ordinates. > A list of stars, plus details about how to add ?constellation lines? between > selected bright stars. > A way of incorporating the Milky Way as a vector file. > Would be grateful for any help; am happy to pay for programs, lists etc. > > And on a different subject, I would like to enter a sundial in the Italian > Astronomers? International contest for sundial makers, but cannot find the > form to fill in. Can someone supply a PDF or web address? > Thanks, > David Widdowson, Astrovisuals Australia > www.astrovisuals.com.au --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
