The products of Academy are Persons (Yale Teaching Tips)

Solar Physics Laboratory
" Alessandro Cacciani"    (1938-2007)
Prof.Costantino Sigismondi 
Sapienza University of Rome
 ICRA &  Department of Physics
tel. + 39 32 00 75 94 63
Piazzale Aldo Moro 5 00185 Roma Italia


web page with solar photosphere color edited with notepad2

Valoria La Buena (Spain) annular eclipse expedition Oct. 3, 2005

FILOSOFIA DELL'ASTRONOMIA (Ateneo Pontificio Regina Apostolorum) testi in pdf

XXXI ESOP and CLAVIUS FOURTH CENTENNIAL MEETING, Pescara ICRANet Center 24-27 AUGUST 2012 Poster

International collaborations with IRSOL (CH), Observatoire de la Cote d'Azur - Fizeau Dept. Nice (FR), Institute de Astrophysique de Paris, University of Como-Clavius project, and Observatorio Nacional in Rio de Janeiro

IRSOL 45 cm solar telescope (left) and Calern Picard-sol white building and DORaYSol (right)

Students: (2012) Differential photometry of Betelgeuse and Delta Scorpii; Solar diameter and the transit of Venus: Paola Di Mauro, Vera di Cianni, Carolina Parroni, Luca Sabatini (2011) Almucantarat transits with the solar astrolabe and hourly transits with the drift-scan method: Giulia de Rosi, Dario Cortese, Raffaele Pontrandolfi (2010) Solar diameter with solar eclipses: Emanuela Gizzi, Luigi Squillante, Riccardo Moriconi report, (2009) Comparison of solar diameter obtained with Baily's beads in different observational campaigns: Eleonora di Valentino, Maria Concetta Tringali, Daniele Caprioli, Andrea Raponi (in thesis), Fabrizio Oliva, Samuele Matteucci (2008) Ptolemy vs Copernicus with meridian lines: Licia Mangione thesis (2007) Micol Benetti, Luca Naticchioni (report), Irene Di Palma, Alessandra Mastrobuono Battisti, Paolo Fermani, Marco Innocenti (2006) Pinhole Solar Monitor in Santa Maria degli Angeli: Silvia Pietroni report, Chiara Melchiorre, Project of the eclipse observation in Egypt: Laura Giannuzzo poster  (2005) Solar diameter with Baily's beads and Valoria la Buena observational mission: Manuela Ferrante, Pietro Oliva poster (2004) Asteroseismology with photometer: Runa Antonio Briguglio, Laura Elena Nalbant, Marco Iacobelli report Atmospheric Sodium observed from International Space Station: Roberto Guida (Success Student Context) link.
Solar Eclipse of March 29, 2006 at shadow limit's in Egypt: phases of totality, and on Santa Maria degli Angeli meridian line (1702).
IISS Volta's students measuring the shadow of the obelisk of Psammetichus II (585 B.C.) in Rome, Montecitorio square. These didactical opportunities are possible only in the Eternal City.
Solar Spot in Calcium K-alfa line, NOAA10960 4 June 2007 h 13.45 observed with IISS Volta Telescope (image and temperature analysis)
Annular eclipse in French Guyana (2006)

Clavius Project ( Sapienza/ICRA , IRSOL , IAP - Paris , ON - Rio de Janeiro , Insubria - Como , FRAEN corp. & IOTA ) - Selected Publications

Useful software

ephemvga (zip 200 Kb) soft-Astrolabio (zip 3 Mb) soft-Astrolabio-exe with data (zip 34 Mb)

Last Update 18 May 2011