Meth99dn
La SN 1999dn dans Ngc 7714
Tableau de Mesures et Courbes de Lumière
Extrait de la circulaire IAUC N° 7241, annonçant la découverte de la SN1999dn.
SUPERNOVA 1999dn IN NGC 7714
Y. L. Qiu, Q. Y. Qiao, and J. Y. Hu, Beijing Astronomical Observatory (BAO),
report their discovery, in the course of the BAO
Supernova Survey, of an apparent supernova (mag about 16.0) in NGC 7714. SN
1999dn was discovered on two unfiltered CCD images taken on Aug. 19.76 and
19.82 UT with the BAO 0.6-m telescope, and it was confirmed on Aug. 20.65 with
the BAO 0.60-m Schmidt telescope by X. Zhou and Z. Zheng. The new star is
located at R.A. = 23h36m14s.70, Decl. = +2 09'08".8, which is 9".9
east and 9".4 south of the center of NGC 7714. This is a bright foreground
star near NGC 7714. CCD frames taken on Aug. 10 (limiting mag about 18.0) show
no object at the position of the supernova.
Voir la carte de champ de la SN1999dn dans Ngc 7714
Le suivi en images de la SN1999dn
dans Ngc 7714
Image de Roland SANTALLO (Observatoire de TAHITI-Faaa), le 990822.854 : s99dnSA1
Image de Jean Marie LLAPASSET, (Observatoire 635, Perpignan) le 990831.880 : sn99dnLA1
Image de Jean marie LLAPASSET (Observatoire 635, Perpignan) le 990907.947: s99dnLA2
Image de Jean marie LLAPASSET (Observatoire 635, Perpignan) le 990909.060 ; s99dnLA3
Image de Roland SANTALLO (Observatoire de TAHITI-Faaa), le 990911.072 : s99dnSA0
Image de Jean marie LLAPASSET (Observatoire 635, Perpignan) le 991008.927: s99dnLA4
