I thought I saw some interesting structures in this area just west of the Heart Nebula on Aladin Sky Atlas and decided to give it a try with my dual-RASA8 rig. First night I colected RGB data (181x3min without filter) and it loked a bit tame, so I decided to spend a night collecting Ha and Oiii using the NBZ filter (78x5min). Duing processing I realized there was something there resembling the Spagetti Nebula, i.e. a large Supernova remnant. With the help of Wim van Berlo I was able to get a name for it but I could not find any images of it on Astrobin (correct me if I missed something). Googling it I found that the first image of it was recently posted as a preprint on arXiv (
https://arxiv.org/abs/2202.07749v1). Thus, mine is possibly the second one ever posted, at least one with a strong Oiii signal.
The left panel of the original image shows the RGB image with Ha and Oiii added, while the starless image to the right shows the Ha+Oiii data. The tip of the Heart Nebula is seen on the left edge of the images.
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