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NGC 4542


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Arcsecond Positions of UGC Galaxies
We present accurate B1950 and J2000 positions for all confirmed galaxiesin the Uppsala General Catalog (UGC). The positions were measuredvisually from Digitized Sky Survey images with rms uncertaintiesσ<=[(1.2")2+(θ/100)2]1/2,where θ is the major-axis diameter. We compared each galaxymeasured with the original UGC description to ensure high reliability.The full position list is available in the electronic version only.

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).

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Av Kopekleri
Sað Açýklýk:12h34m48.80s
Yükselim:+50°48'19.0"
Görünür Boyutlar:1.288′ × 0.708′

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
NGC 2000.0NGC 4542
HYPERLEDA-IPGC 41864

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