Comet ISON, Autumn 2013

Griffith Observatory

Comet ISON (C/2012 S1) was discovered on 21 September 2012 by Vitali Nevski and Artyom Novichonok while collecting data for the International Scientific Optical Network (ISON).

Celebrating John Dobson

Leonard Nimoy Event Horizon Theater

On March 8, 2014, Griffith Observatory celebrated the life of John Dobson, telescope builder and inspirational master of sidewalk astronomy who passed away on January 15, 2014, at age 98.

Comet Lovejoy C/2014 Q2, January 2015

Griffith Observatory

From January 6 - 24, 2015, Griffith Observatory offered visitors a telescopic view of Comet Lovejoy, C/2014 Q2. The comet orbits the sun about every 14,000 years. It was closest to Earth – 44 million miles away – on January 7, 2015.

Jupiter Triple Shadow Transit January 23, 2015

Griffith Observatory

A rare celestial event took place on Friday night, January 23, 2015, when the shadows of three of Jupiter’s four largest moons – Io, Europa, and Callisto – fell upon Jupiter at the same time.