From: LARRY KLAES (ljk4_at_msn.com)
Date: Fri Apr 16 2004 - 05:42:06 PDT
----- Original Message -----
From: aavso_at_aavso.org<mailto:aavso_at_aavso.org>
To: aavso_at_aavso.org<mailto:aavso_at_aavso.org>
Sent: Thursday, April 15, 2004 6:11 PM
Subject: AAVSO Alert Notice 304
THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
INTERNET: aavso_at_aavso.org<mailto:aavso_at_aavso.org>
Tel. 617-354-0484 Fax 617-354-0665
AAVSO ALERT NOTICE 304 (April 15, 2004)
SUBJECT: 1732-23 NOVA OPHIUCHI 2004 - POSSIBLE NOVA IN OPHIUCHUS
Event: Possible nova
Announced in: IAU Circular 8323, 15 April 2004
Discovered by: Akira Takao, Kitakyushu, Japan (reported via H. Yamaoka,
Kyushu University, Japan, IAUC 8323)
Discovery Magnitude: about 11.1 CCD (unfiltered) (IAUC 8323)
Discovery Date: CCD images taken Apr. 14.80 UT (IAUC 8323)
Position (equinox 2000.0):
- discovery position (Takao): R.A. = 17h 39m 00s, Decl. = -23o 28.5'
(uncertainty >/= 10") (IAUC 8323).
- precise position: R.A. = 17h 38m 45.49s, Decl. = -23o 28' 18.5",
measured by K. Itagaki, Teppo-cho, Japan, from his unfiltered CCD image
taken with a 0.60-m reflector on Apr. 15.684 UT (reported by S. Nakano,
Sumoto, Japan, IAUC 8323).
Magnitude History:
- Nothing was visible at Takao's position on his images taken between
2002 Mar. 18 and 2004 Mar. 31 (limiting mag 11.9) (IAUC 8323).
- Nothing obvious appears near Itagaki's position on the Digitized Sky
Survey.
AAVSO Chart: 'd' scale chart, based on Itagaki's position, available at
Report Object to the AAVSO as: 1732-23 N OPH 04
Additional Observations Reported to the AAVSO: Apr. 14.31 UT, 10.9 V
Spectra: none to date
Notes: The closest star in the USNO-A2.0 catalogue is a very red object
Congratulations to Akira Takao on his discovery!
SUBMIT OBSERVATIONS TO THE AAVSO
We encourage observers to submit observations via our web site (online
Many thanks for your valuable astronomical contributions and your efforts.
Good observing!
Elizabeth O. Waagen
This archive was generated by hypermail 2.1.6
: Fri Apr 16 2004 - 06:08:55 PDT
http://www.aavso.org/cgi-bin/searchcharts3.pl?name=N%20OPH%2004
(ASAS-3 data, reported by A. Price, Watertown, MA); Apr. 15.684, 10.2 CCD,
K. Itagaki, Teppo-cho, Japan (IAUC 8323).
(red mag 17.2) with position end figures 45.367s, 17.56" (IAUC 8323).
data submission tool WebObs), or by email in AAVSO format to
observations_at_aavso.org<mailto:observations_at_aavso.org>. If you do not have AAVSO Observer Initials, please
contact Headquarters so we may assign them to you. The answering machine
at AAVSO Headquarters is on nights and weekends; use our charge-free
number (888-802-STAR = 888-802-7827) to report your observations, or
report them via fax (617-354-0665).
Interim Director