NGC 5155 is a star association in Centaurus
NGC 5155 (MWSC 2125) is a star association in the constellation Centaurus . Spans 9.3′. It is a telescope object, 6 inches or larger, and it is highest in the evening sky in May.
Open cluster: a loose group of a few dozen to a few thousand young stars born together from one cloud of gas. They drift apart over a few hundred million years and lie in the disk of the Milky Way.
Finding NGC 5155 from Hadar
Hadar
NGC 5155
CENTAURUS
NGC 5155 lies 5.2° southwest of Hadar , the magnitude 0.6 star. Three fingers held at arm's length cover about 5°.
NGC 5155 is highest in the evening in May
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
60°N
JAN at 60°N: -68° high at 9 pm FEB at 60°N: -55° high at 9 pm MAR at 60°N: -46° high at 9 pm APR at 60°N: -38° high at 9 pm MAY at 60°N: -34° high at 9 pm JUN at 60°N: -34° high at 9 pm JUL at 60°N: -38° high at 9 pm AUG at 60°N: -46° high at 9 pm SEP at 60°N: -57° high at 9 pm OCT at 60°N: -70° high at 9 pm NOV at 60°N: -83° high at 9 pm DEC at 60°N: -81° high at 9 pm 50°N
JAN at 50°N: -62° high at 9 pm FEB at 50°N: -48° high at 9 pm MAR at 50°N: -37° high at 9 pm APR at 50°N: -29° high at 9 pm MAY at 50°N: -24° high at 9 pm JUN at 50°N: -24° high at 9 pm JUL at 50°N: -29° high at 9 pm AUG at 50°N: -38° high at 9 pm SEP at 50°N: -50° high at 9 pm OCT at 50°N: -63° high at 9 pm NOV at 50°N: -75° high at 9 pm DEC at 50°N: -74° high at 9 pm 40°N
JAN at 40°N: -54° high at 9 pm FEB at 40°N: -40° high at 9 pm MAR at 40°N: -29° high at 9 pm APR at 40°N: -19° high at 9 pm MAY at 40°N: -14° high at 9 pm JUN at 40°N: -14° high at 9 pm JUL at 40°N: -20° high at 9 pm AUG at 40°N: -30° high at 9 pm SEP at 40°N: -42° high at 9 pm OCT at 40°N: -55° high at 9 pm NOV at 40°N: -65° high at 9 pm DEC at 40°N: -65° high at 9 pm 30°N
JAN at 30°N: -45° high at 9 pm FEB at 30°N: -32° high at 9 pm MAR at 30°N: -20° high at 9 pm APR at 30°N: -10° high at 9 pm MAY at 30°N: -4° high at 9 pm JUN at 30°N: -4° high at 9 pm JUL at 30°N: -10° high at 9 pm AUG at 30°N: -21° high at 9 pm SEP at 30°N: -34° high at 9 pm OCT at 30°N: -47° high at 9 pm NOV at 30°N: -55° high at 9 pm DEC at 30°N: -55° high at 9 pm 20°N
JAN at 20°N: -36° high at 9 pm FEB at 20°N: -23° high at 9 pm MAR at 20°N: -11° high at 9 pm APR at 20°N: -0° high at 9 pm MAY at 20°N: 6° high at 9 pm JUN at 20°N: 6° high at 9 pm JUL at 20°N: -1° high at 9 pm AUG at 20°N: -12° high at 9 pm SEP at 20°N: -25° high at 9 pm OCT at 20°N: -38° high at 9 pm NOV at 20°N: -46° high at 9 pm DEC at 20°N: -45° high at 9 pm 10°N
JAN at 10°N: -27° high at 9 pm FEB at 10°N: -14° high at 9 pm MAR at 10°N: -2° high at 9 pm APR at 10°N: 9° high at 9 pm MAY at 10°N: 16° high at 9 pm JUN at 10°N: 15° high at 9 pm JUL at 10°N: 9° high at 9 pm AUG at 10°N: -3° high at 9 pm SEP at 10°N: -16° high at 9 pm OCT at 10°N: -28° high at 9 pm NOV at 10°N: -36° high at 9 pm DEC at 10°N: -35° high at 9 pm 0°
JAN at 0°: -18° high at 9 pm FEB at 0°: -5° high at 9 pm MAR at 0°: 7° high at 9 pm APR at 0°: 19° high at 9 pm MAY at 0°: 26° high at 9 pm JUN at 0°: 25° high at 9 pm JUL at 0°: 18° high at 9 pm AUG at 0°: 6° high at 9 pm SEP at 0°: -7° high at 9 pm OCT at 0°: -19° high at 9 pm NOV at 0°: -26° high at 9 pm DEC at 0°: -25° high at 9 pm 10°S
JAN at 10°S: -8° high at 9 pm FEB at 10°S: 4° high at 9 pm MAR at 10°S: 16° high at 9 pm APR at 10°S: 28° high at 9 pm MAY at 10°S: 36° high at 9 pm JUN at 10°S: 35° high at 9 pm JUL at 10°S: 27° high at 9 pm AUG at 10°S: 15° high at 9 pm SEP at 10°S: 2° high at 9 pm OCT at 10°S: -9° high at 9 pm NOV at 10°S: -16° high at 9 pm DEC at 10°S: -15° high at 9 pm 20°S
JAN at 20°S: 1° high at 9 pm FEB at 20°S: 13° high at 9 pm MAR at 20°S: 25° high at 9 pm APR at 20°S: 37° high at 9 pm MAY at 20°S: 45° high at 9 pm JUN at 20°S: 45° high at 9 pm JUL at 20°S: 37° high at 9 pm AUG at 20°S: 24° high at 9 pm SEP at 20°S: 11° high at 9 pm OCT at 20°S: 0° high at 9 pm NOV at 20°S: -6° high at 9 pm DEC at 20°S: -5° high at 9 pm 30°S
JAN at 30°S: 11° high at 9 pm FEB at 30°S: 22° high at 9 pm MAR at 30°S: 33° high at 9 pm APR at 30°S: 47° high at 9 pm MAY at 30°S: 55° high at 9 pm JUN at 30°S: 55° high at 9 pm JUL at 30°S: 46° high at 9 pm AUG at 30°S: 33° high at 9 pm SEP at 30°S: 20° high at 9 pm OCT at 30°S: 10° high at 9 pm NOV at 30°S: 4° high at 9 pm DEC at 30°S: 4° high at 9 pm 40°S
JAN at 40°S: 20° high at 9 pm FEB at 40°S: 30° high at 9 pm MAR at 40°S: 42° high at 9 pm APR at 40°S: 55° high at 9 pm MAY at 40°S: 65° high at 9 pm JUN at 40°S: 65° high at 9 pm JUL at 40°S: 54° high at 9 pm AUG at 40°S: 41° high at 9 pm SEP at 40°S: 28° high at 9 pm OCT at 40°S: 19° high at 9 pm NOV at 40°S: 14° high at 9 pm DEC at 40°S: 14° high at 9 pm
below horizon
low
20-40°
40-60°
overhead-ish
The chart gives its height above the horizon at 9 pm through the year, from 60°N to 40°S. It can be seen from the whole southern hemisphere and north to about 26°N, and never sets south of 26°S.
The distance to NGC 5155 is not well measured
No reliable distance has been measured for it yet.
Objects within 6° of NGC 5155
20 NGC and IC objects lie within 6°. The nearest that are brighter than magnitude 12.5 or have their own page:
NGC 5120, open cluster, 20′ IC 4291, open cluster, 1.7° NGC 5281, open cluster, 2.1° NGC 5288, open cluster, 2.5° NGC 5189 Spiral Planetary Nebula, planetary nebula, 2.5° NGC 5168, open cluster, 2.6° NGC 5316, open cluster, 3.3° NGC 4815, open cluster, 3.6°
NGC 5155 catalog data
Field Value
Constellation Centaurus Designations NGC 5155, MWSC 2125 Type star association Right ascension (J2000) 13h 28.6m Declination (J2000) -63° 31′ Apparent size 9.3′ Radial velocity -37 km/s Best with Telescope Best month May Catalog page NGC 5001 to 5500
