| Date/Location |
April 2 & 4, 2021 Jubilee College State Park, Illinois |
| Camera and Settings |
SBIG ST-4000XCM CCD camera |
| Telescope |
8-inch f/8 Ritchey–Chrétien Cassegrain (with a Televue 0.8x focal reducer/field flattener yielding f/6.4) |
| Mount |
Paramount MyT |
| Exposure |
190 min (19 x 10 min) |
| Processing |
CCDOpts, Image Plus 6.5, Photoshop CS6 |
| Other |
NGC4485 - mag. 11.9 irregular galaxy 2.0 x 1.3 arcmin in size. NGC4490 - mag. 9.3 spiral galaxy 6.8 x 1.7 arcmin in size. These interacting galaxies are in the Constellation Canes Venatici. |
