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[vsnet-obs 39028] Visual observations of SN 2002ap (ABG).
- Date: Mon, 18 Mar 2002 03:43:12 +0100
- To: vsnet-obs@kusastro.kyoto-u.ac.jp
- From: "Bjorn H. Granslo" <b.h.granslo@astro.uio.no>
- Subject: [vsnet-obs 39028] Visual observations of SN 2002ap (ABG).
- Delivered-To: vsnet-obs@kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-obs@ooruri.kusastro.kyoto-u.ac.jp
Norwegian Astronomical Society - Variable Star Section
*** Visual observations of Supernova 2002ap in NGC 628 ***
Object YYYYMMDD(UT) Mag Obs Instrument Ref Notes
SN2002ap 20020204.785 12.5 ABG C280;350x NAS
SN2002ap 20020207.801 12.4 ABG C280;140x NAS Somewhat hazy
SN2002ap 20020217.826 12.9 ABG C280;140x NAS
Brightness estimates:
Feb. 4.785 UT: C 5 V; V 3 G; V 5 J (class 1) [ABG].
Feb. 7.801 UT: C 6 V; V 4 G (class 2) [ABG].
Feb. 17.826 UT: F 4 V; G = V; V 2 J (class 1) [ABG].
NAS.VSS sequence (V-magnitudes): C = 11.73; D = 11.9; E = 12.4;
F = 12.6; G = 12.89; H = 13.04; J = 13.20; L = 13.77; N = 14.37.
Measurements of stars C, G-N are by A. Henden, USNO, others are
derived by combining various sources (Tycho-2, M2000, GSC-ACT, FONAC
and USNO-A2.0).
A NAS.VSS chart (prepared by B. Andresen) is at
http://vsnet.nvg.org/org/taf/artsam/varstj/kart/SN2002ap_c.gif
Observer's code: ABG = B. Andresen (Trondheim, Norway).
Yours sincerely,
Bjorn H. Granslo
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