Espace L60
Astronomy with a 60 mm refractor
Bibliography : stargazing with a 60mm refractor
Books
J'observe le Ciel Profond avec une lunette de 60mm
, ( = deep-sky observing with a 60 mm refractor), Jean-Raphaël GILIS, Broquet, inc. (Canada - in French).
La revue des constellations
, R. SAGOT, J. TEXEREAU, Société Astronomique de France
Articles
More photography with a small refractor, Hubert A. ENTROP, Sky and Telescope, October, 1983, p 369 to 371
Deep-Sky drawing with " Guide "
, Jean-Raphaël GILIS,
Ciel Extrême
N°23, October 2001, p 20 to 22