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The old open clusters Saurer A, B and C revisited
(Wiley Blackwell Publishing, Inc, 2003-11)
We report deep (V ≈ 24.0) VI CCD photometry of three fields centred in the regions of the old open clusters Saurer A, B and C. In the case of Saurer A, which is considered one of the oldest known open clusters, we also ...
First CCD UBVI photometric analysis of four moderately young open clusters in the third galactic quadrant
(Wiley Blackwell Publishing, Inc, 2010-10)
We present CCD photometry in the Johnson UBV and Kron-Cousins I systems down to V~ 22.0 for the open clusters NGC 2311, Trumpler 6, NGC 2432 and BH 54 and their surrounding fields. Trumpler 6 and BH 54 have never been ...