NGC 3370 was likely discovered by William Herschel , who provided it with the designation II 81.William Herschel 's Deepsky Objects ( The Herschel 2500 list ) His son John later designated it 750 .
Head entity: william herschel Q14277 6 7
Tail entity: john Q14278 29
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22