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[vsnet-obs 36074] WZ Sge & V2275 Cyg: Jul 23 - Aug 29 UT (MOK)


Norwegian Astronomical Society - Variable Star Section

Observations of V2275 Cygni (Nova 2001 No. 2) and WZ Sagittae

Observer: Ornulf Midtskogen (AAVSO-code MOK).
Location: Tranby, Norway.
Instruments: 31.6-cm f/5 reflector (M316); 80-mm f/5 refractor (L80).
Magnitude references: V-magnitudes from Tycho-1, CCD-V by A. Henden.
Observations: Visual, Argelander step estimates.

Object    YYYYMMDD(UT)   Mag  Obs  Instrument Observations    Ref
CYGV2275  20010821.90    8.4  MOK  M316;104x  H2 5 V; V 2 K   TYC1
CYGV2275  20010824.89    9.5  MOK  M316;104x  L2 2 V; V 3 N   TYC1
CYGV2275  20010826.87    9.8  MOK  M316;104x  L2 4 V; V 1 N   TYC1
CYGV2275  20010827.90   10.0  MOK  M316;104x  N  2 V; V 4 P2  TYC1
CYGV2275  20010829.94   10.1  MOK  M316;104x  N  4 V; V 3 P2  TYC1
SGEWZ     20010723.97    7.4  MOK  M316;104x  A  4 V; V 2 B   TYC1
SGEWZ     20010727.97    8.9  MOK  L80;33x    a  2 V; V 2 b   TYC1
SGEWZ     20010731.97    9.0  MOK  M316;104x  a  3 V; V 1 b   TYC1
SGEWZ     20010801.96    9.2  MOK  M316;104x  b  1 V; V 3 c   TYC1
SGEWZ     20010807.94    9.7  MOK  M316;104x  b  3 V; V 0 c   TYC1
SGEWZ     20010810.01    9.9  MOK  L80;33x    c  2 V; V 2 d   TYC1
SGEWZ     20010812.95   10.3  MOK  M316;104x  d1 3 V; V 3 e   TYC1
SGEWZ     20010817.91   12.1  MOK  M316;104x  f  3 V          Henden
SGEWZ     20010818.91   12.8  MOK  M316;260x  g  1 V; V 4 h   Henden
SGEWZ     20010821.93   11.2  MOK  M316;104x  e  2 V; V 4 f   Henden
SGEWZ     20010824.90   11.0  MOK  M316;104x  e  1 V; V 5 f   Henden
SGEWZ     20010826.89   11.3  MOK  M316;104x  e  3 V; V 3 f   Henden
SGEWZ     20010827.92   12.0  MOK  M316;104x  f  2 V; V 4 g   Henden
SGEWZ     20010829.93   12.2  MOK  M316;104x  f  3 V; V 3 g   Henden

Comparison stars for V2275 Cygni (identifications by NAS.VSS,
photometry from Tycho-1 catalogue): H2 = TYC 3596-1230 (V=8.04);
K = TYC 3596-0698 (V=8.57); L2 = TYC 3592-1171 (V=9.24);
N = TYC 3596-0822 (V=9.89); P2 = TYC 3592-0719 (V=10.31).

Comparison stars for WZ Sagittae (identifications by Midtskogen,
photometry from Tycho-1 catalogue): A = GSC 1621-2213 (V=6.88);
B = GSC 1621-2139 (V=7.70); a = GSC 1621-1830 (V=8.76);
b = GSC 1621-2233 (V=9.08); c = GSC 1622-0989 (V=9.70);
d1 = GSC 1621-1781 (V=9.86); d = GSC 1621-1753 (V=10.16);
e = GSC 1622-1921 (V=10.83).

Comparison stars for WZ Sagittae (identifications by Midtskogen,
photometry by A. Henden, USNO): e = GSC 1622-1921 (V=10.86);
f = GSC 1621-1758 (V=11.77); g = GSC 1621-2015 (V=12.59);
h = GSC 1621-1322 (V=13.41).

                                     Yours sincerely,
                                     Bjorn H. Granslo

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