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NGC 2457


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Galaxy coordinates. II. Accurate equatorial coordinates for 17298 galaxies
Using images of the Digitized Sky Survey we measured coodinates for17298 galaxies having poorly defined coordinates. As a control, wemeasured with the same method 1522 galaxies having accurate coordinates.The comparison with our own measurements shows that the accuracy of themethod is about 6 arcsec on each axis (RA and DEC).

Accurate Positions for MCG Galaxies
We have measured accurate celestial coordinates for 4741 extragalacticobjects, primarily drawn from a list of MCG galaxies with no recentlypublished accurate positions. The standard deviations in the newpositions depend slightly on the measurement method but are on the orderof 1.0" to 1.2". Standard deviations in the original MCG positions areconfirmed to be at the 1.5′-2.0′ level. These new positionswere integrated into NED in 1997 December.

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Observation and Astrometry data

Constellation:Lynx
Right ascension:07h54m54.40s
Declination:+55°32'47.0"
Aparent dimensions:0.692′ × 0.457′

Catalogs and designations:
Proper Names   (Edit)
NGC 2000.0NGC 2457
HYPERLEDA-IPGC 22171

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