Alert Notice 327: Nova Scuti 2005 - Probable Nova in Scutum
October 3, 2005
SUBJECT: NOVA SCUTI 2005 - Probable Nova in Scutum
Object: 1826-06 N SCT 05
Discovered Independently By:
- A. Takao, Kitakyushu, Fukuoka, Japan (reported by M. Soma, National Astronomical Observatory of Japan)
- K. Haseda, Aichi, Japan (reported by H. Yamaoka, Kyushu University, Japan)
- Takao: 10.3 CCD
- Haseda: ~10.9 photographic
- Takao: September 30.522 UT (using a 120-mm telephoto lens)
- Haseda: September 30.417 UT (second frame taken Sep 30.422)
Position: Measured by Alan C. Gilmore and Pamela M. Kilmartin, Mt. John Observatory, New Zealand, on unfiltered CCD exposures taken October 1.393 UT using the Mt. John 1-m f/7.7 reflector:
R.A. = 18h 32m 04.75s (2000.0)
Decl. = -06o 43' 34.3" (2000.0)
Spectra: none to date
Chart: A chart has been prepared by Erwin van Ballegoij. The chart and sequence information are available through the Yahoo groups cvnet-discussion (http://groups.yahoo.com/group/cvnet-discussion/), baavss-alert (http://groups.yahoo.com/group/baavss-alert/files/), and vsobs-share (http://groups.yahoo.com/group/vsobs-share/), or by contacting Erwin .
Report Object to the AAVSO as: 1826-06 N SCT 05
Observations Reported to the AAVSO:
Sep 24.629, <13:, ASAS-3, H. Yamaoka (IAU Circular 8607);
28.088, 10:, ASAS-3, Yamaoka (IAU Circular 8607);
Oct 01.025, ASAS-3, Yamaoka (IAU Circular 8607);
01.2083, 11.8, M. Linnolt, Woodside, CA;
01.389, 9.9 CCD, K. Kadota, Ageo, Saitama, Japan (via S. Nakano, IAU Circular
01.393, 10.0 CCD, Gilmore and Kilmartin (IAU Circular 8607);
01.7921, 11.5, M. Reszelski, Szamotuly, Poland;
01.8130, 11.3, G. Poyner, Birmingham, England;
01.9007, 11.6, J. Carvajal Martinez, Madrid, Spain;
02.8, 11.8, H. Hautcler, Boutersem, Belgium;
02.8083, 12.0, E. van Ballegoij, Druten, Netherlands;
02.8097, 11.7, J. Ripero, Madrid, Spain;
02.8167, 11.5, Carvajal Martinez;
02.873, 11.1 CV, D. Rodriguez, Madrid; Spain;
03.0326, 11.9, M. Komorous, London, Ontario, Canada.
a. Discovery details from IAU Circular 8607 (ed. D.W.E. Green) unless otherwise noted.
b. Nothing was seen on films taken by Takao over the past five years (through August 15, 2005).
c. Gilmore and Kilmartin report that a Digitized Sky Survey red plate (1988 August 10) shows no obvious precursor, but a red-magnitude 17.9 star is east of the nova at position end figures 04.92s, 33.4".
Congratulations to A. Takao and K. Haseda on their independent discoveries!
Many thanks for your valuable astronomical contributions and your efforts.
Elizabeth O. Waagen
Senior Technical Assistant
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