28 And & 99 Her elemental abundances (Adelman+, 2000)

28 And in 1996: variable but near the level of photometric detectability

28 Andromedae

28 Bellona CCD Spectrum

28 day modulation of global lightning activity and its relation to tropical cloud coverage and solar activity

28 New Variable Stars from SAVS

28 New Variable Stars in Harvard Map, Nos. 30 and 33.

28-second Oscillations in VW Hyi

2800 Megacycle per Second Radiation Associated with Type II and Type IV Solar Radio Bursts and the Relation with Other Phenomena

2800 MHz radio emission from eleven quasi-stellar galaxies

2801 Huygens CCD Spectrum

2807 Karl Marx CCD Spectrum

2809 Vernadskij CCD Spectrum

281 Lucretia CCD Spectrum

2813 Zappala CCD Spectrum

2816 Pien CCD Spectrum

2818 Juvenalis CCD Spectrum

281lucretia

282 Clorinde CCD Spectrum

2827 Vellamo CCD Spectrum