SN 1961V
... that both the Spitzer and the Hubble Space Telescopes have probed SN 1961V to check Fritz Zwicky's 1964 claim that it's a supernova impostor?
... that both the <a href="./Spitzer_Space_Telescope" id="mwDCs" rel="mw:WikiLink" title="Spitzer Space Telescope">Spitzer</a> and the <a href="./Hubble_Space_Telescope" id="mwDCw" rel="mw:WikiLink" title="Hubble Space Telescope">Hubble Space Telescopes</a> have probed <b id="mwDC0"><a href="./SN_1961V" id="mwDC4" rel="mw:WikiLink" title="SN 1961V">SN 1961V</a></b> to check <a href="./Fritz_Zwicky" id="mwDC8" rel="mw:WikiLink" title="Fritz Zwicky">Fritz Zwicky</a>'s 1964 claim that it's a <a href="./Supernova_impostor" id="mwDDA" rel="mw:WikiLink" title="Supernova impostor">supernova impostor</a>?