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[vsnet-obs 18104] (fwd) SN1998es photometry and astrometry (Sala)

(fwd) SN1998es photometry and astrometry (Sala)

From g.sala@skylink.it Sat Nov 21 03:24 JST 1998
Date: Fri, 20 Nov 1998 19:23:27 +0100
To: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
From: "Giuseppe A. Sala" <g.sala@skylink.it>
Subject: sn1998es brightness
Cc: Giovanni Anselmi <redaz@coelum.com>, Mirko Villi <villi@supernovae.org>
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Dear Dr. Kato:

The attached Creport.txt file shows astrometric and photometric data of
sn1998es CCD image taken on Nov 17.80895 UT at Promiod Observatory with an
unfiltered and well calibrated 120sec CCD image (QE Peak at 520nm).
The m(V)=13.3 is surprisingly much lower than that one reported by other
observers.
My CCD camera (Sony ICX083AL) is rather sensitive in UBV light.
USNO SA1.0 reference stars and Astrometrica program have been used. 
I would appreciate any comment. Many thanks in advance.

Best regards

Giuseppe A. Sala

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COD 158
OBS Dr. Giuseppe A. Sala
TEL Meade LX200 SCT 12"f/7 + CCD
NET USNO-SA
ACK CREPORT file created 1998 11 20, 14:57:39


     SN1998es C1998 11 17.80895 01 37 17.53 +05 52 50.1          13.3 V      158
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*****************************
Dr. Giuseppe Arnaldo Sala
e-mail:g.sala@skylink.it 
e-mail:g.sala@starlight-xpress.com 
Starlight Xpress Systems <http://vsnet.starlight-xpress.com>
CCD Astronomy Research Centre
27, Via Cottalorda
21022 Azzate (VA), Italy
Tel/Fax +39-332-459825
Mobile Phone:+39-347-236-9736
International Supernova Network:
<http://vsnet.supernovae.org/isn.htm>

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