Herschel 400 Objects

NGC 2571: Open Star Cluster (Puppis) RA: 08h 19.0m / DEC: -29° 45'.7
Instrument: 10-inch Starfinder

This moderately rich cluster is pictured in the sketch at left. NGC 2571 includes some 30 stars tossed across a 13' diameter area. It is offset east of center in my drawing, which presents a 129X view in my 10-inch, f/4.5 Newtonian. At the heart of the cluster are two stellar clumpings. One features six 10th through 12th magnitude stars arranged in a backwards-C asterism. This asterism is about 2' across and positioned a similar distance east of the center of the field. The other clumping has seven 8th through 12th magnitude stars in a semicircle arrangement. This asterism is slightly larger than the first and 3' further to the east. Another 13 stars in the immediate vicinity are members of NGC 2571. The remaining 50-odd stars serve as framework for the cluster. The brightest among these are 7.1 magnitude HD 69817, paired with an 11th magnitude GSC star near the northwest edge of the field, and 6.4 magnitude HD 69879, visible just inside the southwest field boundary. NGC 2571 is one of several bright star clusters in the area. Don't miss NGC 2567, which is located about a degree to the south.

NGC 2567 NGC 2613


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