Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Zvisingatarisirwi, mitsetse mitatu yeH+3 yakaonekwa muna 1998 naMcCall nevamwe. mumutsetse wekuona wegore rakapararira reCyg OB2 No. 12. Pamberi pa1998, kuwanda kweH2 kwaifungidzirwa kuva kwakaderera zvikuru kuti kugadzire huwandu hunooneka hweH+3. McCall akaona tembiricha ye ~27 K (−246 °C) uye kuwanda kwemakoramu kwe ~1014/cm2, kuwanda kwemakoramu kwakafanana neGeballe & Oka. Kubvira ipapo, H+3 yakaonekwa mune mamwe makore akawanda akapararira, akadai seGCS 3-2, GC IRS 3, uye ζ Persei.  Mubvunzo: McCall akawana tembiricha yakadini?
~27 K (−246 °C)