Σ 1639 68 Comæ Berenicis

Σ 1757

Σ 367 and 0 Σ 7

Σ 430 (Tauri 39)

σ Cas: a new candidate β Cephei star. Atmospheric characterization and variability analysis

Σ-D relation for supernova remnants and its dependence on the density of the interstellar medium

Σ-D Relations and Main Galactic Radio Loops

Σ484 and Σ485, and tow pairs (with note added by mr Lewis)

τ Sco: the discovery of the clones

Φωτομɛτρική μɛταβλητότητα του Einstein Cross.

χ Cygni

χ Cygni in der Periode der Sichtbarkeit 1861, von Herrn Prof. Heis

χ Pavonis

Χριστιανικός αστɛρόɛις ουρανός και ζωδιακός κύκλος

ω Centauri: Not a Recent Merger but Self-Enriched?

Ω_0 and λ_0 from galaxy and quasar clustering: cosmic virial theorem and cosmological redshift-space distortion

Ω_0 from the Apparent Evolution of Gas Fractions in Rich Clusters of Galaxies

รœber die Transformation der rechtwinklichten Coordinaten von Herrn S. Lรถwenstern

รœber Reihen, deren Coefficienten nach Sinussen u. Cosinussen vielfacher Winkel fortschreiten, von Herrn Prof. Dirksen in Berlin (Beschluss.)

‘Negative’ surface differential rotation in stars having low Coriolis numbers (slow rotation or high turbulence)