Supernova remnants (SNR) are formed when a large star ends its life in a supernova explosion. About 300 of these remnants are currently known in our galaxy. One of the most famous remnants, the Veil Nebula, is located in the constellation of Cygnus. Although this is the most famous one in this constellation, it’s not …
Recently I have been working on image data from M81/M82. The image was a combination of my own data together with the data of Michael van Doorn. I had the feeling there should be more possible with this dataset and I found a great image of this region of Neil Fleming. After being in contact …
Recently there was a supernova in M82, the Cigar galaxy. Last 2 nights I could image this supernova together with the ‘sister’ galaxy of M82, which is M81, aka Bode’s galaxy. Michael van Doorn also made images of the same area with his Hyperstar including a lot of H-alpha data. Michael shared his data and I combined …
Here is a nice image comparison of 1990 Digital Sky Survey data and my image of 16th August 2013: Here an animation is shown of the same area before and after the nova:
A new nova was discovered in the constellation of Delphinus on August 14 18:00 UT. I was able to start imaging within 5 hours of the discovery and gather some nice brightness measurements. Here my latest estimations can be found: The nova is still brightening and now visible with the naked eye. Here is an …