[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

[vsnet-obs 38274] 2002 Feb. 3-10 UT (GRL)


Norwegian Astronomical Society - Variable Star Section

Observations from 2002 February 3-10 UT.
Observer: Bjorn H. Granslo (GRL).
Location: Oslo & Fjellhamar, Norway.
Instruments: 20.3-cm SCT (C203), 15.2-cm reflector (M152);
  7.0-cm refractor (L70); 7x50 binoculars (B7x50).
Magnitude references: NAS.VSS, Hipparcos, Tycho-2, Henden, AAVSO.
Observations: Visual, Pogson step estimates.
Conditions: Nearly clear to cloudy.

Object      YYYYMMDD(UT)   Mag  Obs  Instrument Ref.    Notes
CRBT        20020203.26   10.5  GRL  C203;100x  TYC2
CYGSS       20020203.263   8.8  GRL  C203;100x  TYC2    Outburst

MONV838     20020204.878   7.4  GRL  L70;24x    NAS     Active
CYGSS       20020204.882   9.5  GRL  L70;69x    TYC2    Active
MONU        20020204.88    6.2  GRL  L70;24x    HIP
PERX        20020204.89    6.5  GRL  B7x50      HIP

MONV838     20020210.751   7.8  GRL  L70;24x    NAS     Active
CETomicron  20020210.76    8.0  GRL  L70;24x    TYC2
MONT        20020210.758   6.9  GRL  B7x50      HIP
GEMzeta     20020210.759   4.1  GRL  B7x50      HIP
AURRT       20020210.760   5.3  GRL  B7x50      HIP
CASrho      20020210.76    4.7  GRL  B7x50      HIP
CEPdelta    20020210.761   4.0  GRL  B7x50      HIP
CEPmu       20020210.76    3.9  GRL  B7x50      HIP
MONU        20020210.76    6.2  GRL  B7x50      HIP
SN2000ap    20020210.871  12.4  GRL  M152;107x  NAS     Active
ANDRX       20020210.88   12.9  GRL  M152;107x  AAVSO   Active
CYGSS       20020210.88   12.2  GRL  M152;107x  Henden
ANDZ        20020210.88   10.3  GRL  M152;107x  TYC2
CAMZ        20020210.88   13.1  GRL  M152;107x  AAVSO
GEMU        20020210.89  <13.3  GRL  M152;107x  AAVSO
CNCSY       20020210.89   11.8  GRL  M152;107x  AAVSO   Active
AURSS       20020210.89  <13.2  GRL  M152;107x  AAVSO
TAUCQ       20020210.89   10.8  GRL  M152;107x  TYC2

Observation of V838 Mon from Feb. 4.878 UT: F-2;G+1;H+4 (class 1).
Observation of V838 Mon from Feb. 10.751 UT: G-3;H-1;J+3 (1).
Comparison stars (NAS.VSS sequence with V magnitudes derived from
UBV and Tycho-2 catalogues): F = 7.20, G = 7.47, H = 7.75,
J = 8.17. NAS.VSS chart (prepared by B. Andresen):
http://vsnet.nvg.org/org/taf/artsam/varstj/kart/V838_Mon_a.jpg .

Observation of Supernova 2002ap from Feb. 10.871 UT: D-5; E=V
(class 2). Only barely visiable due to quite low altitude (location
Blindern, Oslo). Comparison stars (NAS.VSS sequence with V
magnitudes derived from various sources): D = 11.9 (GSC 1205-0926),
E = 12.4 (GSC 1205-0616).

                            Yours sincerely,
                            Bjorn H. Granslo

VSNET Home Page

Return to Daisaku Nogami

vsnet-adm@kusastro.kyoto-u.ac.jp