[vsnet-alert 8743] DO Vul long outburst

[Patrick Schmeer]

Unfiltered CCD observations by P. Schmeer, Bischmisheim, Germany:
VULDO 20051025.178 <175CR Scp
VULDO 20051102.073  153CR Scp
VULDO 20051104.094  153CR Scp
VULDO 20051105.115  155CR Scp
VULDO 20051106.069  157CR Scp
VULDO 20051107.069  159CR Scp
Instrument: University of Iowa, Rigel Telescope (0.37-m Cassegrain)
Sequence: Henden and Sumner (R magnitudes derived from V and B-V)

The type of this dwarf nova is still unknown (UGSU or UGSS).
Time-resolved photometry is very urgently required!

Precise coordinates for DO Vul (from Henden et al., IBVS 5141):
R.A. 19h52m10.71s  Decl. +19o34'42.5"  (J2000.0)
Magnitude at quiescence: V= 20.73

Regards,
Patrick


	

	
		
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