NGC 7550 is a lenticular galaxy in Pegasus
NGC 7550 is a lenticular galaxy in the constellation Pegasus . It shines at magnitude 13.0 and spans 1.5′. It is faint: a 10-inch or larger telescope, or a camera, and it is highest in the evening sky in October.
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 NGC 7550 from Markab
Markab
NGC 7550
PEGASUS
NGC 7550 lies 4.5° northeast of Markab , the magnitude 2.5 star. Three fingers held at arm's length cover about 5°.
NGC 7550 is highest in the evening in October
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
60°N
JAN at 60°N: 21° high at 9 pm FEB at 60°N: 6° high at 9 pm MAR at 60°N: -4° high at 9 pm APR at 60°N: -11° high at 9 pm MAY at 60°N: -10° high at 9 pm JUN at 60°N: -1° high at 9 pm JUL at 60°N: 11° high at 9 pm AUG at 60°N: 26° high at 9 pm SEP at 60°N: 40° high at 9 pm OCT at 60°N: 48° high at 9 pm NOV at 60°N: 46° high at 9 pm DEC at 60°N: 36° high at 9 pm 50°N
JAN at 50°N: 20° high at 9 pm FEB at 50°N: 2° high at 9 pm MAR at 50°N: -12° high at 9 pm APR at 50°N: -20° high at 9 pm MAY at 50°N: -19° high at 9 pm JUN at 50°N: -8° high at 9 pm JUL at 50°N: 8° high at 9 pm AUG at 50°N: 27° high at 9 pm SEP at 50°N: 46° high at 9 pm OCT at 50°N: 58° high at 9 pm NOV at 50°N: 55° high at 9 pm DEC at 50°N: 40° high at 9 pm 40°N
JAN at 40°N: 19° high at 9 pm FEB at 40°N: -3° high at 9 pm MAR at 40°N: -20° high at 9 pm APR at 40°N: -30° high at 9 pm MAY at 40°N: -28° high at 9 pm JUN at 40°N: -15° high at 9 pm JUL at 40°N: 4° high at 9 pm AUG at 40°N: 27° high at 9 pm SEP at 40°N: 50° high at 9 pm OCT at 40°N: 67° high at 9 pm NOV at 40°N: 63° high at 9 pm DEC at 40°N: 42° high at 9 pm 30°N
JAN at 30°N: 17° high at 9 pm FEB at 30°N: -8° high at 9 pm MAR at 30°N: -27° high at 9 pm APR at 30°N: -40° high at 9 pm MAY at 30°N: -38° high at 9 pm JUN at 30°N: -22° high at 9 pm JUL at 30°N: 0° high at 9 pm AUG at 30°N: 26° high at 9 pm SEP at 30°N: 52° high at 9 pm OCT at 30°N: 76° high at 9 pm NOV at 30°N: 68° high at 9 pm DEC at 30°N: 44° high at 9 pm 20°N
JAN at 20°N: 15° high at 9 pm FEB at 20°N: -12° high at 9 pm MAR at 20°N: -34° high at 9 pm APR at 20°N: -50° high at 9 pm MAY at 20°N: -47° high at 9 pm JUN at 20°N: -28° high at 9 pm JUL at 20°N: -3° high at 9 pm AUG at 20°N: 24° high at 9 pm SEP at 20°N: 53° high at 9 pm OCT at 20°N: 80° high at 9 pm NOV at 20°N: 71° high at 9 pm DEC at 20°N: 43° high at 9 pm 10°N
JAN at 10°N: 12° high at 9 pm FEB at 10°N: -16° high at 9 pm MAR at 10°N: -40° high at 9 pm APR at 10°N: -59° high at 9 pm MAY at 10°N: -55° high at 9 pm JUN at 10°N: -33° high at 9 pm JUL at 10°N: -7° high at 9 pm AUG at 10°N: 22° high at 9 pm SEP at 10°N: 51° high at 9 pm OCT at 10°N: 77° high at 9 pm NOV at 10°N: 68° high at 9 pm DEC at 10°N: 41° high at 9 pm 0°
JAN at 0°: 9° high at 9 pm FEB at 0°: -20° high at 9 pm MAR at 0°: -45° high at 9 pm APR at 0°: -68° high at 9 pm MAY at 0°: -63° high at 9 pm JUN at 0°: -38° high at 9 pm JUL at 0°: -10° high at 9 pm AUG at 0°: 19° high at 9 pm SEP at 0°: 47° high at 9 pm OCT at 0°: 69° high at 9 pm NOV at 0°: 62° high at 9 pm DEC at 0°: 37° high at 9 pm 10°S
JAN at 10°S: 5° high at 9 pm FEB at 10°S: -23° high at 9 pm MAR at 10°S: -49° high at 9 pm APR at 10°S: -76° high at 9 pm MAY at 10°S: -70° high at 9 pm JUN at 10°S: -41° high at 9 pm JUL at 10°S: -13° high at 9 pm AUG at 10°S: 15° high at 9 pm SEP at 10°S: 41° high at 9 pm OCT at 10°S: 59° high at 9 pm NOV at 10°S: 55° high at 9 pm DEC at 10°S: 33° high at 9 pm 20°S
JAN at 20°S: 2° high at 9 pm FEB at 20°S: -26° high at 9 pm MAR at 20°S: -51° high at 9 pm APR at 20°S: -80° high at 9 pm MAY at 20°S: -72° high at 9 pm JUN at 20°S: -43° high at 9 pm JUL at 20°S: -16° high at 9 pm AUG at 20°S: 11° high at 9 pm SEP at 20°S: 35° high at 9 pm OCT at 20°S: 50° high at 9 pm NOV at 20°S: 46° high at 9 pm DEC at 20°S: 27° high at 9 pm 30°S
JAN at 30°S: -2° high at 9 pm FEB at 30°S: -27° high at 9 pm MAR at 30°S: -51° high at 9 pm APR at 30°S: -75° high at 9 pm MAY at 30°S: -70° high at 9 pm JUN at 30°S: -44° high at 9 pm JUL at 30°S: -18° high at 9 pm AUG at 30°S: 7° high at 9 pm SEP at 30°S: 28° high at 9 pm OCT at 30°S: 40° high at 9 pm NOV at 30°S: 37° high at 9 pm DEC at 30°S: 21° high at 9 pm 40°S
JAN at 40°S: -5° high at 9 pm FEB at 40°S: -28° high at 9 pm MAR at 40°S: -49° high at 9 pm APR at 40°S: -67° high at 9 pm MAY at 40°S: -63° high at 9 pm JUN at 40°S: -43° high at 9 pm JUL at 40°S: -20° high at 9 pm AUG at 40°S: 2° high at 9 pm SEP at 40°S: 20° high at 9 pm OCT at 40°S: 30° high at 9 pm NOV at 40°S: 28° high at 9 pm DEC at 40°S: 15° 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 71°S, and never sets north of 71°N.
The distance to NGC 7550 is not well measured
No reliable distance has been measured for it yet.
Objects within 6° of NGC 7550
96 NGC and IC objects lie within 6°. The nearest that are brighter than magnitude 12.5 or have their own page:
NGC 7497, late spiral galaxy, 1.7° NGC 7625, early spiral galaxy, 2.1° NGC 7454, elliptical galaxy, 4.2° NGC 7678, late spiral galaxy, 4.6° NGC 7448, late spiral galaxy, 4.7° NGC 7673, late spiral galaxy, 5.5°
NGC 7550 catalog data
Field Value
Constellation Pegasus Designations NGC 7550, 2MASX J23151609+1857409, MCG +03-59-015, PGC 070830, UGC 12456 Type lenticular galaxy (E-S0) Right ascension (J2000) 23h 15.3m Declination (J2000) +18° 58′ Magnitude 13.0 Surface brightness 22.7 mag/arcmin² Apparent size 1.5′ Position angle 150° Radial velocity 5,140 km/s, redshift 0.01729 Best with Large telescope Best month October Catalog page NGC 7501 to 8000
