NGC 5907 also nicknamed the “Splinter Galaxy” is a spiral galaxy seen from the edge and located in the constellation of the Dragon at about 30 million light years from the Milky Way.
This galaxy has a huge but very faint trail of stars surrounding it. It is certainly the remains of a collision or an old merger of NGC 5907 with a dwarf galaxy.
More explanations here: https://www.cosmotography.com/images/small_ring_ngc5907.html
NGC 5905 and NGC 5908 (on the right) are much further away, about 150 million light-years…
Setup : TSA 102 f/6 – AZEQ6 – CCD Atik Cameras One 6.0 (-15°)
Filters : Astronomik LRGB + Ha 6nm
L : 64 x 600s bin1
RGB : 86 x 300s bin2
Ha : 6 x 600s bin2
Total : 19h
Processing: APP, Pixinsight & Photoshop
4, 5, 6 & 7 May 2022 – Fouras (France)