He then confirmed the existence of the object using the Spitzer Space Telescope .
In 2013 , Yale astronomer Pascal Oesch spotted an unexpected bright object while looking at Hubble Space Telescope images .
Pascal Oesch then confirmed the existence of the object using the Spitzer Space Telescope .
In 2013 , Yale astronomer Pascal Oesch spotted an unexpected bright object while looking at Hubble Space Telescope images .