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| Query : 2004JRASC..98...78B |
2004JRASC..98...78B - J. R. Astron. Soc. Can., 98, 78-83 (2004)
Visual performance in astronomy near the scotopic threshold. Part 1: temporal integration.
BISHOP R. and LANE D.
Journal keyword(s):
Simbad objects: 3
| Number of rows : 3 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NGC 2682 | OpC | 08 51 23.5 | +11 48 54 | ~ | 2528 | 0 | |||||
| 2 | M 51 | Sy2 | 13 29 52.698 | +47 11 42.93 | 9.26 | 8.36 | 8.40 | ~ | 4565 | 4 | ||
| 3 | M 16 | OpC | 18 18 45.1 | -13 47 31 | ~ | 1084 | 1 |
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