| Date: | 10 April 2019 |
| Location: | High Halden, Kent |
| Exposure: | 345 x 30sec exposures at ISO 10000 (nearly 3 hours of data) |
| Telescope: | Celestron C11 with 0.72x Starizona LF corrector on Skywatcher EQ6 mount |
| Camera: | H-alpha modified Sony A7S |
| Guiding: | Nikkor 300mm lens with QHY5 camera. |
| Filters: | IR/UV cut filter |
| Processing: | Bayer drizzle stacked in PixInsight. Arcsinh Stretch |
| Comments: | M51 with an intermediate luminosity red transient (ILRT). This one goes under the name AT 2019ABN. It suddenly appeared earlier this year and was a possible supernova candidate. Discovered on 22-Jan by ATLAS (Asteroid Terrestrial-impact Last Alert System). |