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Table 2
Colours of the comet C/2018 DO4 obtained on October 03 and 05, 2019.
| Date | ρ (km) | B–V | V–R | V –I |
|---|---|---|---|---|
| Oct 02 | ~5000 | 0.93 ± 0.04 | 0.42 ± 0.04 | 1.14 ± 0.08 |
| ~10 000 | 0.92 ± 0.04 | 0.43 ± 0.04 | 1.14 ± 0.08 | |
| ~15 000 | 0.89 ± 0.04 | 0.43 ± 0.04 | 1.15 ± 0.08 | |
| ~20 000 | 0.90 ± 0.04 | 0.47 ± 0.04 | 1.27 ± 0.08 | |
| Oct 05 | ~5000 | 0.91 ± 0.07 | 0.44 ± 0.05 | |
| ~10 000 | 0.92 ± 0.07 | 0.41 ± 0.05 | ||
| ~15 000 | 0.85 ± 0.07 | 0.44 ± 0.05 | ||
| ~20 000 | 0.86 ± 0.07 | 0.45 ± 0.05 |
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