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Polamar Skies Amateur Astronomers Can Help PTF Study Supernova in M51


Palomar Observatory

Earlier today I reported the discovery of a new Type II Supernova in the Whirlpool Galaxy (M51). The astronomers behind the Palomar Transient Factory have initiated a world-wide effort to collect amateur imagery of M51 taken from May 30 - June 2 to best constrain the explosion time of the massive star.

The supernova is known as "PTF 11eon" to the PTF team, but as SN2011dh to the larger world. A finder chart for it is shown below.

Click to enlarge the image.​

Any amateur astronomers who have raw images of M51 taken between May 30 and June 2 are encouraged to contact the PTF team at this address: ptf11eon@gmail.com.

For more on the supernova, check out this article from Sky & Telescope or this one from Universe Today.

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