Supernova 1999dg in UGC 9758

This page is devoted to information on Supernova 1999dg in UGC 9758 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.

Yet another LOSS discovery. This one is a type Ia, which tend to be intrinsically bright. This SN probably maxed out at about Mag 15.8, and is now fading.

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!
LOSS image 7/23.2/9916.7CDiscovery
Frederick M. EWALT image 7/29.215/9915.8C
Pepe Manteca image 8/6.958/99C
Kopernik image 8/10.156/99C
Larry Robinson image 8/20.2/99C

Light curves and Spectra:

  • VSNET Light curve (requires JAVA).
    If you have observations of this Supernova, please send them to Use this VSNet data query to see what information has been reported so far. Other VSNet data on this SN:
  • [vsnet-alert 3282] SNe 1999dg and 1999dh
  • [vsnet-chart 185] Chart of SN1999dg
  • [vsnet-chat 2173] Host galaxy of SN1999dg
  • [vsnet-obs 21904] SN1999dg,SN1999dh early photometry from IAUC

    Latest Photometry:

  • [vsnet-recent 23879] SN1999dg recent (cont'd)
  • [vsnet-recent-wanted 2575] SN1999dg observation needed
    Back to Bright Supernovae - 1999.
    Back to Bright Supernovae.
    David Bishop
    Last modified: Wed Aug 25 09:56:04 EDT 1999