NOVA PUPPIS 2004 (V574 Pup)


Discovered by Akihiko Tago, Tsuyama, Japan (Nov. 20.672 UT - T-Max 400 film) and Yukio Sakurai, Mito, Japan (Nov. 20,812 UT - Fuji Fine Pix S2 digital camera + Nikon 180-mm f/2.8) at V=7.5.  Position: R.A. = 7h41m54.56s, Decl. =-27°06'38.3" (equinox 2000.0).

December 13.022 UT Observation (estimated magnitude V=9.5)

Observatory: Castanet Tolosan (France) - IAU959
Observer: Christian Buil
Instrument: Takahashi FS-128 refractor (5-inch aperture) - MERIS spectrograph (sampling of 2.87 A/pixel) + Audine KAF-0401E CCD
Cumulative exposure time of 45 minutes (stack of 15 three minutes frame)


The 2D spectrum after stacking the 15 three-minutes exposures, geometric correction and sky subtraction.

Measured Halpha FWHM = 1780 km/s +/- 150 km/s
121204 data

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