Hello everyone,

Our astrophotography team NHZ (New Horizons) is thrilled to present the “Huntsman Nebula” , a likely SNR located in Aquilla! As part of this project I was tasked with capturing data near these coordinates given to me by team leader Tim Schaeffer - the region scanned was one with interesting SNR activity in various wavelengths. As was the case with the phantom stinger nebula (https://www.astrobin.com/hlrqyi/) we were hoping to find a SNR at the original coordinates but instead caught a glimpse of unidentified Oiii filaments in the corner of the frame - this turned out to be the Huntsman nebula! We chose the name “Huntsman nebula” due to the fine filaments of Oiii resembling spider legs - thanks to Steeve for the idea!

All of the data acquisition was taken by my personal setup in Fort Davis, TX and processing was done with the help of Steeve and Will. This nebula caused headaches as we had trouble revealing the true nature of the structure. What is weird is that the central blob is actually a known PN (IPHASXJ190333) registered in HASH but lacking any central star (i.e White dwarf or hot subdwarf) tho the central bright star - a Mira variable - could possibly be the central star of the “PN”. Whether or not the PN and the Huntsman Nebula are connected remains to be seen - our best guess at the moment is that the whole thing is a big SNR but this theory needs verification from a professional research team. We are currently in contact with a SNR researcher and will keep this post updated with the latest information.

Note: The structure spans a total of 2° , so anything else than a SNR seems very unlikely, though again, this is to be taken with a grain of salt. We have included a revision with processing done by Will to show the further extent of Oiii clouds.

The SNR is primarily Oiii, denoted by the blue/teal tendrils in the image with additional clouds surrounding the PN. Further, H-Alpha data was captured showing the hydrogen clouds surrounding the Oiii gas as well as the SNR shock fronts which also emit light in Ha.

Thanks for viewing and we hope you enjoy!

- Prashant and the rest of the NHZ team