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Object Information
| Description | |
| Type | (NGC4631) SB(s)d (NGC4656) SB(s)m pec |
| Brightness | (NGC4631) 9.8 mag (NGC4656) 11.0 mag mag (vis) |
| Apparent Size | (NGC4631) 15.5' x 2.7' (NGC4656) 12.9' |
| Distance | (NGC4631) 30 Mly (NGC4656) ? MLy |
Exposure Information
| Date | 2015-01-01 |
| Location | Putzkau Observatory |
| Optics | Meade Series 5000 APO 127/950 f/7.5 |
| Camera | Canon EOS1200Da |
| Integration | Luminance 11 x 240 sec. (0.73 h total) |