LBN 18 is an emission nebula in Serpens
LBN 18 is an emission nebula in the constellation Serpens . Lynds rated it brightness class 5 of 6, faint, and color class 3, reddish. It spans 28′ × 10′ of sky. It is a faint target for long-exposure photography, and it is highest in the evening sky in July.
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 18 from μ Ser
μ Ser
LBN 18
SERPENS
LBN 18 lies 36′ northeast of μ Ser , the magnitude 3.5 star. That is within one binocular field.
LBN 18 is highest in the evening in July
JAN
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APR
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OCT
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60°N
JAN at 60°N: -32° high at 9 pm FEB at 60°N: -24° high at 9 pm MAR at 60°N: -12° high at 9 pm APR at 60°N: 3° high at 9 pm MAY at 60°N: 16° high at 9 pm JUN at 60°N: 25° high at 9 pm JUL at 60°N: 27° high at 9 pm AUG at 60°N: 20° high at 9 pm SEP at 60°N: 7° high at 9 pm OCT at 60°N: -8° high at 9 pm NOV at 60°N: -22° high at 9 pm DEC at 60°N: -31° high at 9 pm 50°N
JAN at 50°N: -42° high at 9 pm FEB at 50°N: -31° high at 9 pm MAR at 50°N: -15° high at 9 pm APR at 50°N: 5° high at 9 pm MAY at 50°N: 22° high at 9 pm JUN at 50°N: 35° high at 9 pm JUL at 50°N: 36° high at 9 pm AUG at 50°N: 27° high at 9 pm SEP at 50°N: 10° high at 9 pm OCT at 50°N: -9° high at 9 pm NOV at 50°N: -28° high at 9 pm DEC at 50°N: -40° high at 9 pm 40°N
JAN at 40°N: -51° high at 9 pm FEB at 40°N: -37° high at 9 pm MAR at 40°N: -17° high at 9 pm APR at 40°N: 6° high at 9 pm MAY at 40°N: 27° high at 9 pm JUN at 40°N: 44° high at 9 pm JUL at 40°N: 46° high at 9 pm AUG at 40°N: 33° high at 9 pm SEP at 40°N: 12° high at 9 pm OCT at 40°N: -10° high at 9 pm NOV at 40°N: -33° high at 9 pm DEC at 40°N: -49° high at 9 pm 30°N
JAN at 30°N: -61° high at 9 pm FEB at 30°N: -42° high at 9 pm MAR at 30°N: -19° high at 9 pm APR at 30°N: 8° high at 9 pm MAY at 30°N: 32° high at 9 pm JUN at 30°N: 52° high at 9 pm JUL at 30°N: 56° high at 9 pm AUG at 30°N: 39° high at 9 pm SEP at 30°N: 14° high at 9 pm OCT at 30°N: -11° high at 9 pm NOV at 30°N: -37° high at 9 pm DEC at 30°N: -58° high at 9 pm 20°N
JAN at 20°N: -69° high at 9 pm FEB at 20°N: -45° high at 9 pm MAR at 20°N: -20° high at 9 pm APR at 20°N: 9° high at 9 pm MAY at 20°N: 36° high at 9 pm JUN at 20°N: 60° high at 9 pm JUL at 20°N: 65° high at 9 pm AUG at 20°N: 44° high at 9 pm SEP at 20°N: 16° high at 9 pm OCT at 20°N: -11° high at 9 pm NOV at 20°N: -40° high at 9 pm DEC at 20°N: -65° high at 9 pm 10°N
JAN at 10°N: -76° high at 9 pm FEB at 10°N: -47° high at 9 pm MAR at 10°N: -20° high at 9 pm APR at 10°N: 10° high at 9 pm MAY at 10°N: 39° high at 9 pm JUN at 10°N: 67° high at 9 pm JUL at 10°N: 74° high at 9 pm AUG at 10°N: 47° high at 9 pm SEP at 10°N: 18° high at 9 pm OCT at 10°N: -11° high at 9 pm NOV at 10°N: -41° high at 9 pm DEC at 10°N: -70° high at 9 pm 0°
JAN at 0°: -78° high at 9 pm FEB at 0°: -47° high at 9 pm MAR at 0°: -20° high at 9 pm APR at 0°: 11° high at 9 pm MAY at 0°: 40° high at 9 pm JUN at 0°: 71° high at 9 pm JUL at 0°: 79° high at 9 pm AUG at 0°: 49° high at 9 pm SEP at 0°: 19° high at 9 pm OCT at 0°: -11° high at 9 pm NOV at 0°: -41° high at 9 pm DEC at 0°: -71° high at 9 pm 10°S
JAN at 10°S: -72° high at 9 pm FEB at 10°S: -46° high at 9 pm MAR at 10°S: -19° high at 9 pm APR at 10°S: 11° high at 9 pm MAY at 10°S: 40° high at 9 pm JUN at 10°S: 70° high at 9 pm JUL at 10°S: 78° high at 9 pm AUG at 10°S: 49° high at 9 pm SEP at 10°S: 19° high at 9 pm OCT at 10°S: -10° high at 9 pm NOV at 10°S: -40° high at 9 pm DEC at 10°S: -67° high at 9 pm 20°S
JAN at 20°S: -64° high at 9 pm FEB at 20°S: -42° high at 9 pm MAR at 20°S: -18° high at 9 pm APR at 20°S: 11° high at 9 pm MAY at 20°S: 39° high at 9 pm JUN at 20°S: 65° high at 9 pm JUL at 20°S: 70° high at 9 pm AUG at 20°S: 47° high at 9 pm SEP at 20°S: 18° high at 9 pm OCT at 20°S: -9° high at 9 pm NOV at 20°S: -37° high at 9 pm DEC at 20°S: -61° high at 9 pm 30°S
JAN at 30°S: -55° high at 9 pm FEB at 30°S: -38° high at 9 pm MAR at 30°S: -16° high at 9 pm APR at 30°S: 11° high at 9 pm MAY at 30°S: 36° high at 9 pm JUN at 30°S: 57° high at 9 pm JUL at 30°S: 61° high at 9 pm AUG at 30°S: 43° high at 9 pm SEP at 30°S: 18° high at 9 pm OCT at 30°S: -8° high at 9 pm NOV at 30°S: -33° high at 9 pm DEC at 30°S: -52° high at 9 pm 40°S
JAN at 40°S: -46° high at 9 pm FEB at 40°S: -32° high at 9 pm MAR at 40°S: -13° high at 9 pm APR at 40°S: 10° high at 9 pm MAY at 40°S: 32° high at 9 pm JUN at 40°S: 49° high at 9 pm JUL at 40°S: 52° high at 9 pm AUG at 40°S: 38° high at 9 pm SEP at 40°S: 16° high at 9 pm OCT at 40°S: -7° high at 9 pm NOV at 40°S: -28° high at 9 pm DEC at 40°S: -44° 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 87°N.
The distance to LBN 18 is not well measured
No reliable distance has been measured for it yet.
9 Lynds bright nebulae and 4 Lynds dark nebulae lie within 5° of LBN 18
The nearest:
LBN 19, emission nebula, 5′ LDN 169, dark nebula, 39′ LDN 183, dark nebula, 51′ LBN 15, emission nebula, 53′ LBN 23, emission nebula, 1.1° LBN 11, emission nebula, 1.2° LDN 134, dark nebula, 1.9° LBN 10, emission nebula, 2.0° LBN 36, emission nebula, 2.8° LBN 37, emission nebula, 2.8°
LBN 18 catalog data
Field Value
Designations LBN 18 Constellation Serpens Type emission nebula Right ascension (J2000) 15h 50.7m Declination (J2000) -02° 54′ Galactic longitude and latitude 5.32°, +37.42° Brightness class 5 of 6 (faint) Color class 3 of 4 (reddish) Apparent size 28′ × 10′ Best with Camera Best month July Catalog page LBN 1 to 500
