| 21. | Its apparent magnitude is 5.49 and it is from Earth.
|
| 22. | The combined apparent magnitude of the system is + 5.40.
|
| 23. | The comet peaked at about apparent magnitude 16.3 in 2012.
|
| 24. | In practice such apparent magnitudes do not exceed 30 ( for detectable measurements ).
|
| 25. | It is a faint spiral galaxy of apparent magnitude 14.2.
|
| 26. | Its apparent magnitude is expected to be " 2.0.
|
| 27. | Its brightness was estimated at an apparent magnitude of 17.
|
| 28. | They have a combined apparent magnitude of + 5.69.
|
| 29. | The apparent magnitude is typically around 15 to 20.
|
| 30. | It had a brightess of apparent magnitude of 15.
|
