60th birthday for the royal dutch/shell merger

60th Name-List of Variable Stars

61 Danae CCD Spectrum

61-element adaptive optical system for 1.2-m telescope of Yunnan Observatory

610-MHz survey of Lockman Hole with GMRT (Garn+, 2008)

611 Valeria CCD Spectrum

6129 Demokritos CCD Spectrum

613ginevra

614 Pia CCD Spectrum

6146 Adamkrafft CCD Spectrum

6150 Å twilight emission and noctilucent clouds.

617patroclus

617patroclus

6192 1990KB1 Average CCD Spectrum

61st Annual Meeting of the Meteoritical Society

61st Name-List of Variable Stars

62 Erato CCD Spectrum

6211 1991DO CCD Spectrum

622 Esther CCD Spectrum

6230 1984SG1 CCD Spectrum