Arp 320 Inverted/cropped 
Arp 87 Inverted/cropped| 0bject | Arp 320 (Hickson 57) Galaxy cluster in Leo (NGC3753,3748, 3745, 3746, 3754, 3750, 3751 Copeland's Septet) |
| Date | March 29 - April 1, 2019 |
| Exposure | LRGB 300:130:100:90 (10.3 hours, cropped) |
| Camera | STL11000M with AstroDon Gen II filters |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | Remote guide head with MiniBorg 50 mm |
| Processing | MaximDL, Photoshop CS6, Astronomy Tools, NIK Viveza |
| Comments | Moderate seeing; acquired with CCD Commander from Animas, NM |