Not so long ago, a discussion on the Google Plus “Amateur Astronomers” community led me to the Deep Sky Hunter Star Atlas.  It’s a stunning effort by Michael Vlasov to create a completely free and downloadable star atlas covering the entire sky down to magnitude 10.2 (and including deep sky objects down to magnitude 14.0).  It’s a small .pdf file (less than 50MB), but a serious print job: over a hundred A3 pages, double-sided.  For the sake of portability, I … Continue reading →