Supernova 2009js in NGC 918

This page is devoted to information on Supernova 2009js in NGC 918.   Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page.  Information on the original web pages for many of these images can be found on the updates and links web pages.

Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan).   This is a type II supernova.   We have a DSS Photometry reference image made by Odd Trondal.  Icon generated from the Itagaki discovery image.   This supernova is in the Constellation Aries.

Web pages dedicated to this SN.
• SNWeb has a 2009js page

The following is a list of images of this SN, in chronological order. Click on the name in the "Image Credit" column to see the image. Times and dates are in UT unless otherwise noted. If you know of any others, please tell me!

Image Credit	Date	Mag	Filter	Comments
LOSS	2009/10/11.44	17.2	C	Discovery
Koichi Itagaki	2009/10/11.689	17.2	C	Discovery
Joseph Brimacombe	2009/10/12.25	17.2	L
Joseph Brimacombe	2009/10/12.25	17.2	C	color, cool!
Rodrigo Losada	2009/10/13.010	17.2	CR
Joseph Brimacombe	2009/10/13.25	17.2	L
Jordi Camarasa	2009/10/13.924	16.63	CR
Joseph Brimacombe	2009/10/14		C	color Wow! APOTD for 2009/11/12
Rafael Benavides	2009/10/14.944	16.65	CR	showing asteroid 6567 Shigemasa
Adolfo San Segundo	2009/10/14.997	16.95	CR	showing asteroid 6567 Shigemasa
JM Llapasset	2009/10/15.061	16.4:	CR	mirror
Rodrigo Losada	2009/10/15.125	16.9	CR
Joel Nicolas	2009/10/15.901	17.0	CR
Stan Howerton	2009/10/16.93	16.75	CR
Diego Rodriguez	2009/10/16.937	16.75	CR
Rafael Ferrando	2009/10/17.420	16.8	C
Joseph Brimacombe	2009/10/19.25	17.3	C
Joel Nicolas	2009/10/23.929	17.3	CR
Marc Deldem	2009/10/23.973	17.3	CR
Rafael Benavides	2009/10/25.043	16.8	CR
Paolo Beltrame	2009/10/26		C
Kopernik	2009/11/18.014	17.4 16.7 17.96	C R B

Light curves and Spectra:
• SNWeb Measurements and light curve.