IC 4340 is a lenticular galaxy in Canes Venatici, 287 million light-years away
IC 4340 is a lenticular galaxy in the constellation Canes Venatici , 287 million light-years away. It shines at magnitude 14.0 and spans 1.3′ × 54″ of sky, about 105,900 light-years across. It is faint: a 10-inch or larger telescope, or a camera, and it is highest in the evening sky in June.
Galaxy: a system of billions of stars, gas and dust held together by gravity, far outside the Milky Way. Spiral galaxies have a disk with arms; elliptical galaxies are smooth, round or oval swarms of older stars.
Finding IC 4340 from Seginus
Seginus
IC 4340
CANES VENATICI
IC 4340 lies 7.7° west of Seginus , the magnitude 3.0 star. Three fingers held at arm's length cover about 5°.
IC 4340 is highest in the evening in June
JAN
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60°N
JAN at 60°N: 13° high at 9 pm FEB at 60°N: 24° high at 9 pm MAR at 60°N: 36° high at 9 pm APR at 60°N: 51° high at 9 pm MAY at 60°N: 64° high at 9 pm JUN at 60°N: 67° high at 9 pm JUL at 60°N: 56° high at 9 pm AUG at 60°N: 41° high at 9 pm SEP at 60°N: 27° high at 9 pm OCT at 60°N: 16° high at 9 pm NOV at 60°N: 9° high at 9 pm DEC at 60°N: 8° high at 9 pm 50°N
JAN at 50°N: 5° high at 9 pm FEB at 50°N: 18° high at 9 pm MAR at 50°N: 33° high at 9 pm APR at 50°N: 52° high at 9 pm MAY at 50°N: 71° high at 9 pm JUN at 50°N: 75° high at 9 pm JUL at 50°N: 59° high at 9 pm AUG at 50°N: 40° high at 9 pm SEP at 50°N: 22° high at 9 pm OCT at 50°N: 8° high at 9 pm NOV at 50°N: -1° high at 9 pm DEC at 50°N: -2° high at 9 pm 40°N
JAN at 40°N: -4° high at 9 pm FEB at 40°N: 12° high at 9 pm MAR at 40°N: 29° high at 9 pm APR at 40°N: 51° high at 9 pm MAY at 40°N: 74° high at 9 pm JUN at 40°N: 82° high at 9 pm JUL at 40°N: 59° high at 9 pm AUG at 40°N: 37° high at 9 pm SEP at 40°N: 16° high at 9 pm OCT at 40°N: -0° high at 9 pm NOV at 40°N: -11° high at 9 pm DEC at 40°N: -12° high at 9 pm 30°N
JAN at 30°N: -12° high at 9 pm FEB at 30°N: 5° high at 9 pm MAR at 30°N: 25° high at 9 pm APR at 30°N: 48° high at 9 pm MAY at 30°N: 71° high at 9 pm JUN at 30°N: 79° high at 9 pm JUL at 30°N: 57° high at 9 pm AUG at 30°N: 33° high at 9 pm SEP at 30°N: 10° high at 9 pm OCT at 30°N: -8° high at 9 pm NOV at 30°N: -20° high at 9 pm DEC at 30°N: -22° high at 9 pm 20°N
JAN at 20°N: -21° high at 9 pm FEB at 20°N: -2° high at 9 pm MAR at 20°N: 19° high at 9 pm APR at 20°N: 43° high at 9 pm MAY at 20°N: 65° high at 9 pm JUN at 20°N: 71° high at 9 pm JUL at 20°N: 52° high at 9 pm AUG at 20°N: 27° high at 9 pm SEP at 20°N: 4° high at 9 pm OCT at 20°N: -16° high at 9 pm NOV at 20°N: -30° high at 9 pm DEC at 20°N: -32° high at 9 pm 10°N
JAN at 10°N: -29° high at 9 pm FEB at 10°N: -8° high at 9 pm MAR at 10°N: 13° high at 9 pm APR at 10°N: 37° high at 9 pm MAY at 10°N: 57° high at 9 pm JUN at 10°N: 61° high at 9 pm JUL at 10°N: 45° high at 9 pm AUG at 10°N: 22° high at 9 pm SEP at 10°N: -2° high at 9 pm OCT at 10°N: -24° high at 9 pm NOV at 10°N: -39° high at 9 pm DEC at 10°N: -42° high at 9 pm 0°
JAN at 0°: -37° high at 9 pm FEB at 0°: -14° high at 9 pm MAR at 0°: 7° high at 9 pm APR at 0°: 31° high at 9 pm MAY at 0°: 48° high at 9 pm JUN at 0°: 51° high at 9 pm JUL at 0°: 38° high at 9 pm AUG at 0°: 16° high at 9 pm SEP at 0°: -8° high at 9 pm OCT at 0°: -31° high at 9 pm NOV at 0°: -49° high at 9 pm DEC at 0°: -51° high at 9 pm 10°S
JAN at 10°S: -44° high at 9 pm FEB at 10°S: -21° high at 9 pm MAR at 10°S: 1° high at 9 pm APR at 10°S: 23° high at 9 pm MAY at 10°S: 39° high at 9 pm JUN at 10°S: 42° high at 9 pm JUL at 10°S: 30° high at 9 pm AUG at 10°S: 9° high at 9 pm SEP at 10°S: -15° high at 9 pm OCT at 10°S: -38° high at 9 pm NOV at 10°S: -58° high at 9 pm DEC at 10°S: -61° high at 9 pm 20°S
JAN at 20°S: -50° high at 9 pm FEB at 20°S: -26° high at 9 pm MAR at 20°S: -5° high at 9 pm APR at 20°S: 16° high at 9 pm MAY at 20°S: 29° high at 9 pm JUN at 20°S: 32° high at 9 pm JUL at 20°S: 22° high at 9 pm AUG at 20°S: 3° high at 9 pm SEP at 20°S: -20° high at 9 pm OCT at 20°S: -44° high at 9 pm NOV at 20°S: -66° high at 9 pm DEC at 20°S: -70° high at 9 pm 30°S
JAN at 30°S: -55° high at 9 pm FEB at 30°S: -31° high at 9 pm MAR at 30°S: -11° high at 9 pm APR at 30°S: 8° high at 9 pm MAY at 30°S: 20° high at 9 pm JUN at 30°S: 22° high at 9 pm JUL at 30°S: 13° high at 9 pm AUG at 30°S: -4° high at 9 pm SEP at 30°S: -26° high at 9 pm OCT at 30°S: -48° high at 9 pm NOV at 30°S: -72° high at 9 pm DEC at 30°S: -79° high at 9 pm 40°S
JAN at 40°S: -58° high at 9 pm FEB at 40°S: -36° high at 9 pm MAR at 40°S: -17° high at 9 pm APR at 40°S: 0° high at 9 pm MAY at 40°S: 10° high at 9 pm JUN at 40°S: 12° high at 9 pm JUL at 40°S: 5° high at 9 pm AUG at 40°S: -11° high at 9 pm SEP at 40°S: -30° high at 9 pm OCT at 40°S: -52° high at 9 pm NOV at 40°S: -75° high at 9 pm DEC at 40°S: -81° 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 53°S, and never sets north of 53°N.
IC 4340 is 287 million light-years away
The light seen from IC 4340 tonight left it about 287 million years ago, long before modern humans existed. Distance source: Cosmicflows-4 (Tully et al. 2023).
Objects within 6° of IC 4340
111 NGC and IC objects lie within 6°. The nearest that are brighter than magnitude 12.5 or have their own page:
IC 4339, star, 9′ NGC 5351, barred spiral galaxy, 32′ NGC 5380, lenticular galaxy, 42′ NGC 5395, mixed spiral galaxy, 1.0° NGC 5303, spiral galaxy, 1.5° NGC 5406, spiral galaxy, 2.0° NGC 5326, early spiral galaxy, 2.3° NGC 5313, mixed spiral galaxy, 2.7°
IC 4340 catalog data
Field Value
Constellation Canes Venatici Designations IC 4340, 2MASX J13533353+3723132, MCG +06-31-009, PGC 049364, SDSS J135333.53+372313.1, SDSS J135333.54+372313.1 Type lenticular galaxy (E-S0) Right ascension (J2000) 13h 53.6m Declination (J2000) +37° 23′ Magnitude 14.0 Surface brightness 23.7 mag/arcmin² Apparent size 1.3′ × 54″ Position angle 31° True size 105,900 light-years Distance 287 million light-years (Cosmicflows-4 (Tully et al. 2023)) Radial velocity 7,383 km/s, redshift 0.02493 Best with Large telescope Best month June Catalog page IC 4001 to 4500
