Waxaa laga helay sawir ahaan Richard M. West, oo ka tirsan European Southern Observatory, 10kii Agoosto, 1975. Xiddiga ayaa yimid perihelion (ugu dhow ee qorraxda) Febraayo 25, 1976. Inta lagu jiro perihelion xiddiga ayaa lahaa ugu yaraan dheereynta qorraxda ee 6.4 ° iyo natiijada kala firdhinta hore waxay gaadhay mugga muuqda ee ugu sarreeya ee -3. Laga soo bilaabo Febraayo 25 illaa 27, indha-indheeyeyaashu waxay soo sheegeen in xiddiga uu ahaa mid dhalaalaya oo ku filan in la barto inta lagu jiro iftiinka maalinta oo dhan. In kasta oo ay dhalaalayso, Comet West ayaa si weyn loogu soo wargelin waayay warbaahinta caanka ah. Tani waxay qayb ahaan sabab u ahayd muujinta niyad jabka ah ee Koethoutek ee 1973, kaas oo si ballaaran loo saadaaliyay inuu noqdo mid aad u caan ah: saynisyahannadu waxay ka taxaddarayeen saadaasha laga yaabo inay kor u qaadaan filashooyinka daabacaadda. Su'aal: Goorma ayaa markii ugu horreysay si sawir ah loo
10ka Agoosto 1975