RCW 107 is an emission nebula (H II region) in Norma, 2,190 light-years away
RCW 107 (NGC 6164, Ced 135a, ESO 226-13) is an emission nebula (H II region) in the constellation Norma , 2,190 light-years away. spans 8′ of sky, about 5.1 light-years across. It is a telescope object, 6 inches or larger, and it is highest in the evening sky in July.
Nebula: a cloud of gas and dust. Emission nebulae glow on their own, lit by ultraviolet light from hot young stars; reflection nebulae shine by starlight scattered from dust; dark nebulae block the light behind them.
Finding RCW 107 from η Sco
η Sco
RCW 107
NORMA
RCW 107 lies 8.3° southwest of η Sco , the magnitude 3.3 star. A fist held at arm's length covers about 10°.
RCW 107 is highest in the evening in July
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60°N
JAN at 60°N: -78° high at 9 pm FEB at 60°N: -68° high at 9 pm MAR at 60°N: -55° high at 9 pm APR at 60°N: -40° high at 9 pm MAY at 60°N: -29° high at 9 pm JUN at 60°N: -21° high at 9 pm JUL at 60°N: -18° high at 9 pm AUG at 60°N: -21° high at 9 pm SEP at 60°N: -29° high at 9 pm OCT at 60°N: -40° high at 9 pm NOV at 60°N: -55° high at 9 pm DEC at 60°N: -69° high at 9 pm 50°N
JAN at 50°N: -88° high at 9 pm FEB at 50°N: -69° high at 9 pm MAR at 50°N: -52° high at 9 pm APR at 50°N: -35° high at 9 pm MAY at 50°N: -21° high at 9 pm JUN at 50°N: -11° high at 9 pm JUL at 50°N: -8° high at 9 pm AUG at 50°N: -11° high at 9 pm SEP at 50°N: -21° high at 9 pm OCT at 50°N: -35° high at 9 pm NOV at 50°N: -52° high at 9 pm DEC at 50°N: -71° high at 9 pm 40°N
JAN at 40°N: -82° high at 9 pm FEB at 40°N: -66° high at 9 pm MAR at 40°N: -48° high at 9 pm APR at 40°N: -29° high at 9 pm MAY at 40°N: -13° high at 9 pm JUN at 40°N: -2° high at 9 pm JUL at 40°N: 2° high at 9 pm AUG at 40°N: -2° high at 9 pm SEP at 40°N: -13° high at 9 pm OCT at 40°N: -29° high at 9 pm NOV at 40°N: -48° high at 9 pm DEC at 40°N: -67° high at 9 pm 30°N
JAN at 30°N: -72° high at 9 pm FEB at 30°N: -60° high at 9 pm MAR at 30°N: -42° high at 9 pm APR at 30°N: -22° high at 9 pm MAY at 30°N: -5° high at 9 pm JUN at 30°N: 7° high at 9 pm JUL at 30°N: 12° high at 9 pm AUG at 30°N: 7° high at 9 pm SEP at 30°N: -5° high at 9 pm OCT at 30°N: -22° high at 9 pm NOV at 30°N: -42° high at 9 pm DEC at 30°N: -61° high at 9 pm 20°N
JAN at 20°N: -62° high at 9 pm FEB at 20°N: -52° high at 9 pm MAR at 20°N: -35° high at 9 pm APR at 20°N: -15° high at 9 pm MAY at 20°N: 3° high at 9 pm JUN at 20°N: 17° high at 9 pm JUL at 20°N: 22° high at 9 pm AUG at 20°N: 17° high at 9 pm SEP at 20°N: 3° high at 9 pm OCT at 20°N: -15° high at 9 pm NOV at 20°N: -35° high at 9 pm DEC at 20°N: -53° high at 9 pm 10°N
JAN at 10°N: -52° high at 9 pm FEB at 10°N: -44° high at 9 pm MAR at 10°N: -28° high at 9 pm APR at 10°N: -8° high at 9 pm MAY at 10°N: 11° high at 9 pm JUN at 10°N: 26° high at 9 pm JUL at 10°N: 32° high at 9 pm AUG at 10°N: 26° high at 9 pm SEP at 10°N: 11° high at 9 pm OCT at 10°N: -8° high at 9 pm NOV at 10°N: -28° high at 9 pm DEC at 10°N: -44° high at 9 pm 0°
JAN at 0°: -42° high at 9 pm FEB at 0°: -35° high at 9 pm MAR at 0°: -20° high at 9 pm APR at 0°: -0° high at 9 pm MAY at 0°: 19° high at 9 pm JUN at 0°: 35° high at 9 pm JUL at 0°: 42° high at 9 pm AUG at 0°: 35° high at 9 pm SEP at 0°: 19° high at 9 pm OCT at 0°: -0° high at 9 pm NOV at 0°: -20° high at 9 pm DEC at 0°: -35° high at 9 pm 10°S
JAN at 10°S: -32° high at 9 pm FEB at 10°S: -25° high at 9 pm MAR at 10°S: -12° high at 9 pm APR at 10°S: 7° high at 9 pm MAY at 10°S: 27° high at 9 pm JUN at 10°S: 44° high at 9 pm JUL at 10°S: 52° high at 9 pm AUG at 10°S: 44° high at 9 pm SEP at 10°S: 27° high at 9 pm OCT at 10°S: 7° high at 9 pm NOV at 10°S: -12° high at 9 pm DEC at 10°S: -26° high at 9 pm 20°S
JAN at 20°S: -22° high at 9 pm FEB at 20°S: -16° high at 9 pm MAR at 20°S: -4° high at 9 pm APR at 20°S: 15° high at 9 pm MAY at 20°S: 34° high at 9 pm JUN at 20°S: 53° high at 9 pm JUL at 20°S: 62° high at 9 pm AUG at 20°S: 53° high at 9 pm SEP at 20°S: 34° high at 9 pm OCT at 20°S: 15° high at 9 pm NOV at 20°S: -4° high at 9 pm DEC at 20°S: -17° high at 9 pm 30°S
JAN at 30°S: -12° high at 9 pm FEB at 30°S: -7° high at 9 pm MAR at 30°S: 4° high at 9 pm APR at 30°S: 22° high at 9 pm MAY at 30°S: 41° high at 9 pm JUN at 30°S: 61° high at 9 pm JUL at 30°S: 72° high at 9 pm AUG at 30°S: 61° high at 9 pm SEP at 30°S: 41° high at 9 pm OCT at 30°S: 22° high at 9 pm NOV at 30°S: 4° high at 9 pm DEC at 30°S: -7° high at 9 pm 40°S
JAN at 40°S: -2° high at 9 pm FEB at 40°S: 2° high at 9 pm MAR at 40°S: 13° high at 9 pm APR at 40°S: 28° high at 9 pm MAY at 40°S: 47° high at 9 pm JUN at 40°S: 67° high at 9 pm JUL at 40°S: 82° high at 9 pm AUG at 40°S: 67° high at 9 pm SEP at 40°S: 47° high at 9 pm OCT at 40°S: 28° high at 9 pm NOV at 40°S: 13° high at 9 pm DEC at 40°S: 2° 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 42°N, and never sets south of 42°S.
RCW 107 is 2,190 light-years away
The light seen from RCW 107 tonight left it about 2,190 years ago. It ranks 2 of 47 by distance among the RCW nebulae with a measured distance. Distance source: Stellarium DSO catalog distance (not re-verified).
Objects within 6° of RCW 107
C82, open cluster, 1.4° RCW 109, emission nebula (H II region), 3.2° RCW 106, emission nebula (H II region), 3.7° RCW 104, emission nebula (H II region), 3.8° RCW 103, supernova remnant, 3.9° RCW 105, emission nebula (H II region), 4.1° RCW 110, emission nebula (H II region), 4.5° RCW 102, emission nebula (H II region), 4.6°
RCW 107 catalog data
Field Value
Designations NGC 6164, Ced 135a, ESO 226-13 Type emission nebula (H II region) Constellation Norma Right ascension (J2000) 16h 33.9m Declination (J2000) -48° 07′ Apparent size 8′ True size 5.1 light-years Distance 2,190 light-years (Stellarium DSO catalog distance (not re-verified)) Best month July Best with Telescope RCW number RCW 107
