[vsnet-obs 58819] 2007 Aug 03 UT, GRL.

[Bjorn H. Granslo]

Norwegian Astronomical Society - Variable Star Section.

Observations from 2007 August 03 UT [JD 2454316].

Observer: Bjorn H. Granslo [GRL].
Location: Fjellhamar, Norway.
Observations: Visual, Pogson step estimates.
Report identification: grl_2007_08a.vis .

Variable  YYYYMMDD(UT)  Magn  Obs  Instrum.  Mag.ref  Estimates
CRBR      20070803.922  10.4  GRL  C203;100x NAS.VSS  Z-2;L=V;M+2 [1]
CRBS      20070803.94   10.5  GRL  C203;100x NAS.VSS  M-6;P+2 [1]
CRBT      20070803.92   10.3  GRL  C203;100x NAS.VSS  U-5;X+3 [1]
CYGSS     20070803.92   12.1  GRL  C203;100x NAS.VSS  K-2;L+1 [2]
CYGchi    20070803.94   10.2  GRL  C203;100x NAS.VSS  P-3;R+5 [1]
OPHRS     20070803.92   11.1  GRL  C203;100x NAS.VSS  R-2;S+4 [1]
SGRV5558  20070803.907   8.9  GRL  L100;40x  NAS.VSS  F-6;H+3 [1]

R CrB comparison stars (V-magnitudes from TASS Mark IV system):
Z = 10.19 [HD 141286]; L = 10.42 [HD 141752]; M = 10.64 [BD +28 2476].

V5558 Sgr comparison stars (V-magnitudes from TYC2 w/Bessell):
F = 8.27 [HD 165854]; H = 9.22 [HD 166322].
V5558 Sgr (Nova 2007): R.A = 18h10m18s, Decl. = -18o46'.9 (2000).