[vsnet-obs 54470] RS Oph, visual obs. (2006 Jan 25 - Feb 21, GRL)

[Bjorn H. Granslo]

Norwegian Astronomical Society - Variable Star Section

Visual observations of RS Ophiuchi from 2006 Jan 25 to 2006 Feb 21

Observer: B. H. Granslo [GRL]
Location: Fjellhamar, Norway.
Observations: Visual, Pogson step estimates.

Variable   YYYYMMDD(UT)  Magn  Obs  Instrum.  Mag.ref  Estimates[Cl.]
OPHRS      20060125.25   10.9  GRL  C203;100x NAS.VSS  P-5;R=V;S+5[1]
OPHRS      20060210.210  11.0  GRL  C203;100x NAS.VSS  R-1;S+5[1]
OPHRS      20060214.188   5.5  GRL  L100;25x  NAS.VSS  B-9;E+8[2]
OPHRS      20060220.207   7.1  GRL  L100;25x  NAS.VSS  E-8;F-2;G+3[1]
OPHRS      20060221.213   7.3  GRL  L100;25x  NAS.VSS  F-5;G+1[1]

The observation from Feb. 14.188 UT was made under a poor sky
(fog and high clouds), otherwise the conditions were favourable.

Sequence at http://www.astro.uio.no/~bgranslo/sequence/RS_Oph.seq .
[The most recent AAVSO charts are based on this NAS.VSS sequence.]

NAS.VSS charts, prepared by B. Andresen, are available from
http://www.astro.uio.no/~bgranslo/charts/RS_Oph_a.gif ,
http://www.astro.uio.no/~bgranslo/charts/RS_Oph_b.gif , and
http://www.astro.uio.no/~bgranslo/charts/RS_Oph_d.gif .

                                      Yours sincerely,
                                      Bjorn H. Granslo