[vsnet-obs 60329] Negative photographic obs. of V459 Vul, 2007 Dec 25 UT.

Bjorn H. Granslo b.h.granslo at astro.uio.no
Fri Dec 28 06:04:18 JST 2007


Norwegian Astronomical Society - Variable Star Section.

Negative Photographic Observation of V459 Vul (Nova Vul 2007 No. 2).

Observer: Bjorn H. Granslo [GRL].
Observing site: Steinkjer, Norway.
Instrument: f=17mm lens + digital SLR.
Report identification: grl_2007_12a.phg.

Variable    YYYYMMDD(UT)  Magn   Obs  Mag.ref
VULV459     20071225.720  <7.2C  GRL  NAS.VSS

Notes: The field was imaged on two 15 sec-exposures using Canon EOS 400D
   (at ISO 800) and a 17-55mm zoom lens set at f=17mm f/4. The comparison
   star 'B' (HD 187751, V = 7.17) was visible on both images, the nova
   and comparison star 'C' (HD 187958, V = 7.81) were not detected. These
   images were made before discovery announcement.




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