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Supernova 1999gn in M61
This page is devoted to information on
Supernova 1999gn in
NGC 4303
(= M61)
Basic information on this SN, including the last reported brightness,
on this Supernova can be found on the main
supernova page. Information on
the original web pages for many of these images can be found on the
Supernova links web page.
Amateur Alessandro Dimai reported via
ISN
his discovery of a new star in
M61. According to the rules, amateurs need two
observations on two different nights to confirm a new supernova. Thus,
ISN activated its' "isn_alert" SIG, which puts us in contact with
amateur and professional supernova hunters around the world. Within
hours, Weidong Li from
LOSS had confirmed his observations and it was off
to IAU
for an official designation.
Web pages dedicated to this SN.
AUDE has a
1999gn page in French
[Translate]
SEDS has a
Supernova 1999gn page.
AAVSO
issued aavso-alert 268 with information on this SN and some
very nice finder charts
Seiichi Yoshida has a 1999gn pageDiscovery of supernova in M61 in Italian
[Translate]
ESA Science story
Armchair astronomy - catch a supernova from home?
Relinked 7/26/00
Odd Trondal's 1999gn page
Kopernik's
M61 and supernova 1999gn page
The following is a list of images of this SN, in chronological order.
Click on the name in the "observer" column to see the image. Times and
dates are in UT unless otherwise noted.
If you know of any others,
please tell me!
Light curves and Spectra:
VSNET Light curve
(requires JAVA).
If you have observations of this Supernova, please send them to
vsnet-obs@kusastro.kyoto-u.ac.jp.
Use this
VSNet data query
to see what information has been reported so far. Other
VSNet
data on this SN:
[vsnet-alert 3835] SN 1999gn in NGC 4303 = Messier 61
[vsnet-chat 2469] Host galaxy of SN1999gn
[vsnet-alert 3842] Spectroscopy of SN 1999gn
[vsnet-alert 3845] T&B sequence for M61
Latest Photometry:
[vsnet-alert 3847] SN1999gn early photometry (update)
[vsnet-alert 3860] SN1999gn rising!
[vsnet-recent 48577] SN1999gn recent (cont'd)
[vsnet-recent 52603] SN1999gn recent (cont'd)
Back to 1999 Supernovae
Back to Bright Supernovae.
David Bishop
Last modified: Wed Jul 18 12:52:31 EDT 2001