Arp 90
9 hours ago
- Arp 90 consists of two interacting galaxies in the east.
- A weird distorted galaxy to the west may be a tidal fragment or gravitationally bound irregular galaxy.
- Total exposure time was 2.6 hours, with 2.3 hours used in stack.
- Telescope: C9.25 with 0.63 Starizona reducer, camera: IMX533.
- Processing involved calibration, stacking, white balance, asinh stretch, rotation, crop, and tone curve.
- Image was rotated to align north for easier cross-referencing.