Kubva mundima yakapihwa, bvisa makore ayo mapoka enyeredzi akawedzerwa mukatalog. Sanganisira mazita evaongorori venyeredzi vakaawedzera. Vaparadzanise nekoma.
Context:Bhuku racho rine zvinhu zvakasiyana-siyana zvomuchadenga, kubvira pamapoka enyeredzi nemapoka enyeredzi kusvika kumapoka enyeredzi. Somuenzaniso, Messier 1 isaririra re supernova, rinozivikanwa seCrab Nebula, uye giraxy guru rinotenderera reAndromeda ndiM31. Kumwe kuwedzerwa kwakatevera, kuwedzerwa kwokutanga kwakauya naNicolas Camille Flammarion muna 1921, uyo akawedzera Messier 104 pashure pokuwana mashoko aMessier ari parutivi rwekatalog yake ya1781. M105 yakawedzerwa kuna M107 naHelen Sawyer Hogg muna 1947, M108 uye M109 naOwen Gingerich muna 1960, uye M110 naKenneth Glyn Jones muna 1967.
1921, Nicolas Camille Flammarion 1947, Helen Sawyer Hogg 1960, Owen Gingerich 1967, Kenneth Glyn Jones