Object types – What means the short-cuts?
Planetensuche gives to any astronomical objects the object type (for example galaxy, star, planet). For stars gives additional in bracket the spectral types and for galaxies and nebula's the classification of the object (for example the Hubble classification of galaxy forms).
A complete list about this classifications of galaxies and nebula's you can find in the database into the menu help - „classification of nebula's and galaxies“.