M51 - The Whirlpool Galaxy
Supernovae 2005cs and 2011dh
From the author of Sizing Up The Universe
Animated gif showing both SN 2005cs and SN 2011dh.
Click image for some higher-resolution animations.
Scroll down for larger individual images.
Click here for an animation that blinks between just two images---June 6 2011 and May 9 2005. This animation shows some proper motion with a few of the foreground stars.
Supernova 2011dh
Luminance
Combined with R, G, and B frames collected on May 9, 2005.
22:45 EDT June 6 -- 02:45 EDT June 7, 2011.
Starlight Express SXV-H9 on 10" RC at f/9.
Best 190 of 218 one-minute unguided subexposures.
Richardson-Lucy deconv and Gamma stretch (0.3).
Supernova 2005cs
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with and without the supernova.
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21:55 EDT Jul 10, 2005.
Starlight Express SXV-H9 on 10" RC at f/9.
123.3 min (guided 200-second subexposures).
Richardson-Lucy deconv and Gamma stretch (0.3).
Luminance combined with R,G,B frames from May 9 and luminance frame from May 3.
NOTE SUPERNOVA
M51 without a supernova
21:25 EDT May 9, 2005.
Starlight Express SXV-H9 on 10" RC at f/9.
R=22 min, G=20min, B=23min (unguided 1-minute subexposures).
Combined with Luminance collected on May 3.
Richardson-Lucy deconv and Gamma stretch (0.3).
21:36 EDT May 3, 2005.
Starlight Express SXV-H9 on 10" RC at f/9.
45 min (unguided 1-minute subexposures).
Richardson-Lucy deconv and Gamma stretch (0.3).