LBN 905 is an emission nebula in Orion, 1,350 light-years away
LBN 905 is an emission nebula in the constellation Orion , 1,350 light-years away. Lynds rated it brightness class 6 of 6, the faintest, and color class 4, the reddest, strongest on the red print. It spans 1.3° × 1° of sky, about 31.4 light-years across. It is a faint target for long-exposure photography, and it is highest in the evening sky in February.
Emission nebula: a cloud of gas, mostly hydrogen, made to glow by the ultraviolet light of hot young stars. It shines in the red light of hydrogen-alpha, and a nebula filter helps it stand out from the sky.
Finding LBN 905 from Betelgeuse
Betelgeuse
LBN 905
ORION
LBN 905 lies 3.1° south of Betelgeuse , the magnitude 0.5 star. Three fingers held at arm's length cover about 5°.
LBN 905 is highest in the evening in February
JAN
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APR
MAY
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OCT
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DEC
60°N
JAN at 60°N: 33° high at 9 pm FEB at 60°N: 34° high at 9 pm MAR at 60°N: 27° high at 9 pm APR at 60°N: 14° high at 9 pm MAY at 60°N: -1° high at 9 pm JUN at 60°N: -15° high at 9 pm JUL at 60°N: -24° high at 9 pm AUG at 60°N: -25° high at 9 pm SEP at 60°N: -18° high at 9 pm OCT at 60°N: -5° high at 9 pm NOV at 60°N: 10° high at 9 pm DEC at 60°N: 23° high at 9 pm 50°N
JAN at 50°N: 42° high at 9 pm FEB at 50°N: 43° high at 9 pm MAR at 50°N: 33° high at 9 pm APR at 50°N: 16° high at 9 pm MAY at 50°N: -3° high at 9 pm JUN at 50°N: -21° high at 9 pm JUL at 50°N: -33° high at 9 pm AUG at 50°N: -35° high at 9 pm SEP at 50°N: -25° high at 9 pm OCT at 50°N: -9° high at 9 pm NOV at 50°N: 11° high at 9 pm DEC at 50°N: 29° high at 9 pm 40°N
JAN at 40°N: 51° high at 9 pm FEB at 40°N: 53° high at 9 pm MAR at 40°N: 39° high at 9 pm APR at 40°N: 18° high at 9 pm MAY at 40°N: -5° high at 9 pm JUN at 40°N: -27° high at 9 pm JUL at 40°N: -42° high at 9 pm AUG at 40°N: -44° high at 9 pm SEP at 40°N: -31° high at 9 pm OCT at 40°N: -11° high at 9 pm NOV at 40°N: 12° high at 9 pm DEC at 40°N: 34° high at 9 pm 30°N
JAN at 30°N: 59° high at 9 pm FEB at 30°N: 62° high at 9 pm MAR at 30°N: 44° high at 9 pm APR at 30°N: 19° high at 9 pm MAY at 30°N: -6° high at 9 pm JUN at 30°N: -32° high at 9 pm JUL at 30°N: -51° high at 9 pm AUG at 30°N: -54° high at 9 pm SEP at 30°N: -37° high at 9 pm OCT at 30°N: -14° high at 9 pm NOV at 30°N: 12° high at 9 pm DEC at 30°N: 37° high at 9 pm 20°N
JAN at 20°N: 67° high at 9 pm FEB at 20°N: 70° high at 9 pm MAR at 20°N: 48° high at 9 pm APR at 20°N: 20° high at 9 pm MAY at 20°N: -8° high at 9 pm JUN at 20°N: -36° high at 9 pm JUL at 20°N: -59° high at 9 pm AUG at 20°N: -63° high at 9 pm SEP at 20°N: -43° high at 9 pm OCT at 20°N: -16° high at 9 pm NOV at 20°N: 12° high at 9 pm DEC at 20°N: 40° high at 9 pm 10°N
JAN at 10°N: 71° high at 9 pm FEB at 10°N: 77° high at 9 pm MAR at 10°N: 50° high at 9 pm APR at 10°N: 20° high at 9 pm MAY at 10°N: -9° high at 9 pm JUN at 10°N: -39° high at 9 pm JUL at 10°N: -66° high at 9 pm AUG at 10°N: -72° high at 9 pm SEP at 10°N: -46° high at 9 pm OCT at 10°N: -18° high at 9 pm NOV at 10°N: 12° high at 9 pm DEC at 10°N: 41° high at 9 pm 0°
JAN at 0°: 71° high at 9 pm FEB at 0°: 77° high at 9 pm MAR at 0°: 50° high at 9 pm APR at 0°: 19° high at 9 pm MAY at 0°: -10° high at 9 pm JUN at 0°: -41° high at 9 pm JUL at 0°: -70° high at 9 pm AUG at 0°: -78° high at 9 pm SEP at 0°: -48° high at 9 pm OCT at 0°: -19° high at 9 pm NOV at 0°: 11° high at 9 pm DEC at 0°: 41° high at 9 pm 10°S
JAN at 10°S: 67° high at 9 pm FEB at 10°S: 71° high at 9 pm MAR at 10°S: 48° high at 9 pm APR at 10°S: 18° high at 9 pm MAY at 10°S: -11° high at 9 pm JUN at 10°S: -41° high at 9 pm JUL at 10°S: -70° high at 9 pm AUG at 10°S: -78° high at 9 pm SEP at 10°S: -49° high at 9 pm OCT at 10°S: -20° high at 9 pm NOV at 10°S: 10° high at 9 pm DEC at 10°S: 39° high at 9 pm 20°S
JAN at 20°S: 60° high at 9 pm FEB at 20°S: 63° high at 9 pm MAR at 20°S: 44° high at 9 pm APR at 20°S: 17° high at 9 pm MAY at 20°S: -11° high at 9 pm JUN at 20°S: -40° high at 9 pm JUL at 20°S: -65° high at 9 pm AUG at 20°S: -71° high at 9 pm SEP at 20°S: -47° high at 9 pm OCT at 20°S: -19° high at 9 pm NOV at 20°S: 9° high at 9 pm DEC at 20°S: 36° high at 9 pm 30°S
JAN at 30°S: 51° high at 9 pm FEB at 30°S: 53° high at 9 pm MAR at 30°S: 38° high at 9 pm APR at 30°S: 14° high at 9 pm MAY at 30°S: -11° high at 9 pm JUN at 30°S: -37° high at 9 pm JUL at 30°S: -58° high at 9 pm AUG at 30°S: -63° high at 9 pm SEP at 30°S: -43° high at 9 pm OCT at 30°S: -19° high at 9 pm NOV at 30°S: 8° high at 9 pm DEC at 30°S: 32° high at 9 pm 40°S
JAN at 40°S: 42° high at 9 pm FEB at 40°S: 44° high at 9 pm MAR at 40°S: 32° high at 9 pm APR at 40°S: 12° high at 9 pm MAY at 40°S: -11° high at 9 pm JUN at 40°S: -33° high at 9 pm JUL at 40°S: -50° high at 9 pm AUG at 40°S: -53° high at 9 pm SEP at 40°S: -39° high at 9 pm OCT at 40°S: -17° high at 9 pm NOV at 40°S: 6° high at 9 pm DEC at 40°S: 27° 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 northern hemisphere and south to about 85°S.
LBN 905 is 1,350 light-years away
The light seen from LBN 905 tonight left it about 1,350 years ago, around 676 AD. Distance source: LDN 1617, L1617, Gaia DR2 dust, Zucker et al. 2020 (414 pc).
10 Lynds bright nebulae and 17 Lynds dark nebulae lie within 5° of LBN 905
The nearest:
LDN 1617, dark nebula, 1.8° LDN 1602, dark nebula, 2.1° LDN 1621, dark nebula, 2.4° LDN 1611, dark nebula, 2.5° LBN 908, emission nebula, 2.5° LDN 1622 Boogeyman Nebula, dark nebula, 2.7° LDN 1612, dark nebula, 3.0° LBN 894, reflection nebula, 3.0° LDN 1599, dark nebula, 3.0° LDN 1624, dark nebula, 3.0°
NGC and IC objects in the field that are brighter than magnitude 12.5 or have their own page:
LBN 905 catalog data
Field Value
Designations LBN 905 Constellation Orion Type emission nebula Right ascension (J2000) 05h 50.8m Declination (J2000) +04° 31′ Galactic longitude and latitude 201.83°, -11.31° Brightness class 6 of 6 (the faintest) Color class 4 of 4 (the reddest, strongest on the red print) Apparent size 1.3° × 1° True size 31.4 light-years Distance 1,350 light-years (LDN 1617, L1617, Gaia DR2 dust, Zucker et al. 2020 (414 pc)) Best with Camera Best month February Catalog page LBN 501 to 1000
