It is tough to figure out what the other artifact is to the right of the spiral galaxy. What could it be, a supernova remnant?
by Budgieye moderator
The middle galaxy is the target to be classified. It is a disturbed spiral, with many starforming areas.
Here are pictures of supernova
4.4 nebula, supernova remnants, starbirth nebulae https://talk.galaxyzoo.org/#/boards/BGZ0000001/discussions/DGZ0000wrb?page=4
4.1 Supernova in Talk, Forum, SDSS The Legacy Survey: Stripe 82, and Galaxy Zoo: The Hunt for Supernova. BBC Stargazing Live Snapshot Supernova https://talk.galaxyzoo.org/#/boards/BGZ0000001/discussions/DGZ0000wrb?page=4