Home > Galaxies, Supernovae > M51 Whirlpool Galaxy Supernova 2011dh

M51 Whirlpool Galaxy Supernova 2011dh

As I mentioned in my last post supernova 2011dh is still visible in the Whirlpool Galaxy (M51) with the aid of a telescope. Magnitude is currently around 14.8 and fading so there’s still time to catch this one. I used the GRAS G07 17″ Planewave to capture an image tonight, but even though the moon is 116 degrees away to the south there was significant moonglow and this created a pretty horrible gradient across the image which could not be edited out using the usual gradient and light pollution removal tools. I therefore turned the image negative and increased the contrast to bring out some detail. The supernova is clearly visible at the marked location.

Here’s the current AAVSO light curve for this supernova…….

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