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Page last updated Aug 21, 2024 (checking 7481)
Last prior update June 3, 2022 (updated entry for 7496)
Page last updated Apr 11, 2017
Checked historical references, added Dreyer NGC entries
WORKING 7450: Add/update Steinicke listings/data, check IDs
NGC 7450 (= PGC 70252)
Discovered (Nov 19, 1876) by Wilhelm Tempel
A 13th-magnitude spiral galaxy (type (R)SB(r)a?) in Aquarius (RA 23 00 47.7, Dec -12 55 04)
Historical Identification: Per Dreyer, NGC 7450 (= GC 6108, Tempel list IV (#11, list I #47, A.N. 2138), 1860 RA 22 53 31, NPD 103 39.7) is "very faint, small".
Physical Information: Based on a recessional velocity of 3185 km/sec, NGC 7450 is about 150 million light years away. Given that and its apparent size of 1.8 by 1.8? arcmin, it is about 80 thousand light years across. It is a Seyfert galaxy (type Sy 1.5), with the very bright core typical of such galaxies.
Above, a 12 arcmin wide DSS image centered on NGC 7450 Below, a 2.4 arcmin wide DSS image of the galaxy
NGC 7451 (= PGC 70245)
Discovered (Dec 7, 1865) by Otto Struve
Also observed (Nov 7, 1885) by Guillaume Bigourdan
A 14th-magnitude spiral galaxy (type SBbc?) in Pegasus (RA 23 00 40.6, Dec +08 28 03)
Historical Identification: Per Dreyer, NGC 7451 (= GC 6109, O. Struve, 1860 RA 22 53 33, NPD 82 20) is "pretty faint, pretty large, 10th or 11th magnitude star 2 arcmin to southwest". The second IC lists a corrected RA (per Bigourdan) of 22 53 20.
Physical Information: Apparent size about 1.0 by 0.5 arcmin.
NGC 7452 (= PGC 1306660)
Discovered (Oct 14, 1884) by Lewis Swift
A 16th-magnitude lenticular galaxy (type S0?) in Pisces (RA 23 00 47.5, Dec +06 44 45)
Historical Identification: Per Dreyer, NGC 7452 (Swift list II (#95), 1860 RA 22 54 04, NPD 84 00.3) is "most extremely faint, pretty large, round, very difficult".
Physical Information: Apparent size about 0.4 by 0.3 arcmin.
NGC 7453
Recorded (Nov 7, 1860) by Christian Peters
Three close stars in Aquarius (RA 23 01 25.6, Dec -06 21 14)
Historical Identification: Per Dreyer, NGC 7453 (Peters, 1860 RA 22 54 09, NPD 97 06.4) is "bright, very small, 11th magnitude star close on northwest".
NGC 7454 (= PGC 70264)
Discovered (Oct 15, 1784) by William Herschel
Also observed (Nov 24, 1861) by Heinrich d'Arrest
A 12th-magnitude elliptical galaxy (type E4?) in Pegasus (RA 23 01 06.6, Dec +16 23 21)
Historical Identification: Per Dreyer, NGC 7454 (= GC 4880 = WH II 249, 1860 RA 22 54 11, NPD 74 21.7) is "faint, considerably small, a little extended, a little brighter middle, 11th magnitude star 1 arcmin to west".
Physical Information: Apparent size about 2.2 by 1.6 arcmin.
NGC 7455 (= PGC 70246)
Discovered (Oct 14, 1884) by Lewis Swift
Also observed (date?) by Herbert Howe
A 14th-magnitude spiral galaxy (type Sa?) in Pisces (RA 23 00 40.9, Dec +07 18 12)
Historical Identification: Per Dreyer, NGC 7455 (Swift list II (#96), 1860 RA 22 54 14, NPD 83 27.3) is "extremely faint, pretty small, considerably extended, faint star close to west". The second IC notes "No preceding star, but a 10th magnitude star 2 arcmin to the northeast (Howe)".
Physical Information: Apparent size about 0.6 by 0.4 arcmin.
NGC 7456 (= PGC 70304)
Discovered (Sep 4, 1834) by John Herschel
A 12th-magnitude spiral galaxy (type Sc?) in Grus (RA 23 02 10.1, Dec -39 34 09)
Historical Identification: Per Dreyer, NGC 7456 (= GC 4881 = JH 3966 = GC 4882 = JH 3967, 1860 RA 22 54 15, NPD 130 19.8) is "very faint, large, much extended 34°, very gradually a little brighter middle".
Physical Information: Apparent size about 5.5 by 1.6 arcmin.
NGC 7457 (= PGC 70258)
Discovered (Sep 12, 1784) by William Herschel
Also observed (Sep 16, 1828) by John Herschel
An 11th-magnitude lenticular galaxy (type E/SA0(rs)?) in Pegasus (RA 23 00 59.8, Dec +30 08 41)
Historical Identification: Per Dreyer, NGC 7457 (= GC 4883 = JH 2201 = WH II 212, 1860 RA 22 54 18, NPD 60 36.4) is "considerably bright, considerably large, a little extended, gradually much brighter middle, mottled but not resolved, 2 small (faint) stars to north".
Physical Information: Based on a recessional velocity of 810 km/sec, NGC 7457 is about 38 million light years away, and although for such a small radial velocity, peculiar (non-Hubble expansion) velocities could considerably alter the result, the value is in good agreement with redshift-independent distance estimates of 38 to 43 million light years. Given that and its apparent size of 4.3 by 2.3 arcmin, the galaxy is about 50 thousand light years across. As is typical of most galaxies, stars in its core are much closer together than in more distant regions. Estimates based on HST images of the core are that it is packed with more than 30 thousand times as many stars per unit volume of space than the region near our Sun. This means that the stars near the center of the galaxy are over thirty times closer together than stars near the Sun. That represents separations of only a light month or two; but although the sky would be full of stars in the core of NGC 7457, they would still be infinitely small dots in comparison to their distance from each other. Used by the de Vaucouleurs Atlas of Galaxy Types as an example of galaxy type SA0 -.
Above, a 12 arcmin wide SDSS image centered on NGC 7457 Below, a 4 arcmin wide SDSS image of the galaxy
Below, a ? arcmin wide false-color image of the core of the galaxy (Image Credit Hubble Legacy Archive)
NGC 7458 (= PGC 70277)
Discovered (Sep 18, 1786) by William Herschel
Also observed (Nov 24, 1827) by John Herschel
A 13th-magnitude elllipical galaxy (type E1?) in Pisces (RA 23 01 28.5, Dec +01 45 12)
Historical Identification: Per Dreyer, NGC 7458 (= GC 4884 = JH 2200 = WH II 590, 1860 RA 22 54 20, NPD 88 59.9) is "considerably faint, considerably small, pretty suddenly brighter middle".
Physical Information: Apparent size about 1.4 by 1.2 arcmin.
NGC 7459 (= PGC 70261)
Discovered (Oct 14, 1884) by Lewis Swift
A pair of 15th-magnitude galaxies in Pisces
Component 1 = A spiral galaxy (type S??) at RA 23 00 59.6, Dec +06 44 58
Component 2 = A peculiar galaxy (type pec?) at RA 23 01 00.3, Dec +06 45 03
Historical Identification: Per Dreyer, NGC 7459 (Swift list II (#97), 1860 RA 22 54 24, NPD 84 00.4) is "most extremely faint, pretty large, round, star near".
Discovery Notes: The NGC entry corresponds to the pair, not to either of the individual galaxies.
Physical Information: A contact double system. Apparent size of component 1 is about 0.4 by 0.4 arcmin. Apparent size of component 2 is about 0.8 by 0.4 arcmin.
Above, a 12 arcmin wide SDSS image centered on NGC 7459 Below, a 2.4 arcmin wide SDSS image of the galaxy pair
NGC 7460 (= PGC 70287)
Discovered (Sep 21, 1876) by Édouard Stephan
A 13th-magnitude spiral galaxy (type Sb? pec) in Pisces (RA 23 01 42.7, Dec +02 15 49)
Historical Identification: Per Dreyer, NGC 7460 (= GC 6110, Stephan list VIII (#26), 1860 RA 22 54 35, NPD 88 29.4) is "extremely faint, pretty large, round".
Physical Information: Apparent size about 1.5 by 1.1 arcmin.
NGC 7461 (= PGC 70290)
Discovered (Aug 8, 1863) by Albert Marth
A 14th-magnitude lenticular galaxy (type SB0?) in Pegasus (RA 23 01 48.1, Dec +15 34 57)
Historical Identification: Per Dreyer, NGC 7461 (= GC 6111, Marth #513, 1860 RA 22 54 52, NPD 75 11) is "very faint, very small, almost stellar".
Physical Information: Apparent size about 0.9 by 0.7 arcmin.
NGC 7462 (= PGC 70324)
Discovered (Sep 5, 1834) by John Herschel
An 11th-magnitude spiral galaxy (type SBbc?) in Grus (RA 23 02 46.2, Dec -40 50 08)
Historical Identification: Per Dreyer, NGC 7462 (= GC 4885 = JH 3968, 1860 RA 22 54 56, NPD 131 35.0) is "considerably faint, pretty small, very much extended 5°±, 11th magnitude star to northwest".
Physical Information: Apparent size about 4.3 by 0.8 arcmin.
Above, a 12 arcmin wide DSS image centered on NGC 7462 Below, a 4.8 arcmin wide DSS image of the galaxy
Below, a ? arcmin wide HST image of the central portion of the galaxy (Image Credit Hubble Legacy Archive)
Below, an overlay of the HST image on the 4.8 arcmin wide DSS image, to show its location
NGC 7463 (= PGC 70291)
Discovered (Oct 16, 1784) by William Herschel
Also observed (Sep 12, 1828) by John Herschel
A 13th-magnitude spiral galaxy (type SABb? pec) in Pegasus (RA 23 01 51.8, Dec +15 58 55)
Historical Identification: Per Dreyer, NGC 7463 (= GC 4886 = JH 2202 = WH III 210, 1860 RA 22 54 56, NPD 74 46.1) is "very faint, small, a little extended, western of 2", the other being NGC 7465.
Physical Information: Apparent size about 2.6 by 0.6 arcmin.
Above, a 12 arcmin wide SDSS image centered on NGC 7463 and 7464, also showing NGC 7465 Below, an exaggerated-exposure version of the image above, to show the galaxies' distorted outer regions
Below, a 3.2 arcmin wide SDSS image of NGC 7463 and 7464
NGC 7464 (= PGC 70292)
Discovered (Aug 27, 1864) by Heinrich d'Arrest
Discovered (Oct 23, 1864) by Albert Marth
Discovered (Aug 10, 1869) by Hermann Vogel
A 13th-magnitude elliptical galaxy (type E1? pec) in Pegasus (RA 23 01 53.8, Dec +15 58 28)
Historical Identification: Per Dreyer, NGC 7464 (= GC 6112, Marth #514, d'Arrest, 1860 RA 22 54 58, NPD 74 46.3) is "very faint, very small, extended, southeast of h 2202", (JH) 2202 being NGC 7463.
Physical Information: Apparent size about 0.55 by 0.5 arcmin. (See NGC 7463 for images.)
NGC 7465 (= PGC 70295)
Discovered (Oct 16, 1784) by William Herschel
Also observed (Sep 12, 1828) by John Herschel
A 13th-magnitude lenticular galaxy (type (R')SB0(s)a?) in Pegasus (RA 23 02 00.9, Dec +15 57 55)
Historical Identification: Per Dreyer, NGC 7465 (= GC 4887 = JH 2203 = WH III 211, 1860 RA 22 55 05, NPD 74 47.2) is "very faint, very small, eastern of 2", the other being NGC 7463.
Physical Information: A polar-ring galaxy; also a Seyfert galaxy (type Sy 2). Apparent size about 2.2 by 1.8 arcmin.
Above, a 2.4 arcmin wide SDSS image of NGC 7465; see NGC 7463 for wide-field images
NGC 7466 (= IC 5281 = PGC 70299)
Discovered (Sep 20, 1873) by Édouard Stephan (and later listed as NGC 7466)
Discovered (Nov 19, 1895) by Guillaume Bigourdan (and later listed as IC 5281)
A 14th-magnitude spiral galaxy (type Sb?) in Pegasus (RA 23 02 03.4, Dec +27 03 11)
Historical Identification: Per Dreyer, NGC 7466 (= GC 6113, Stephan list V (#10), 1860 RA 22 55 18, NPD 63 42.1) is "extremely faint, extremely small, brighter middle".
Physical Information: Apparent size about 1.5 by 0.5 arcmin.
NGC 7467 (= PGC 70310)
Discovered (Oct 23, 1864) by Albert Marth
A 15th-magnitude elliptical galaxy (type E3?) in Pegasus (RA 23 02 27.4, Dec +15 33 17)
Historical Identification: Per Dreyer, NGC 7467 (= GC 6114, Marth #515, 1860 RA 22 55 30, NPD 75 12) is "extremely faint, very small".
Physical Information: Apparent size about 0.4 by 0.3 arcmin.
NGC 7468 (= PGC 70332)
Discovered (Oct 15, 1784) by William Herschel
Also observed (Sep 27, 1861) by Heinrich d'Arrest
A 14th-magnitude elliptical galaxy (type E1?? pec) in Pegasus (RA 23 02 59.2, Dec +16 36 16)
Historical Identification: Per Dreyer, NGC 7468 (= GC 4890 = WH III 202, d'Arrest, 1860 RA 22 56 01, NPD 74 08.5) is "extremely faint, very small".
Physical Information: Apparent size about 0.9 by 0.6 arcmin.
PGC 70414 (= "NGC 7468A")
Not an NGC object but listed here because sometimes (though not usually) called NGC 7468A
A 14th-magnitude spiral galaxy (type SB?? pec) in Pegasus (RA 23 04 53.5, Dec +16 40 44)
Historical Identification:
Physical Information: Apparent size about 1.3 by 0.5 arcmin.
Above, a 2.4 arcmin wide SDSS image of PGC 70414
NGC 7469 (= PGC 70348; and with IC 5283 = Arp 298)
Discovered (Nov 12, 1784) by William Herschel
Also observed (Aug 16, 1830) by John Herschel
A 12th-magnitude spiral galaxy (type (R')SAB(rs)a?) in Pegasus (RA 23 03 15.5, Dec +08 52 26)
Historical Identification: Per Dreyer, NGC 7469 (= GC 4888 = JH 2204 = WH III 230, 1860 RA 22 56 13, NPD 81 52.7) is "very faint, very small, very suddenly much brighter middle equal to a 12th magnitude star".
Physical Information: Apparent size about 1.4 by 1.0 arcmin.
Above, a 12 arcmin wide HST/SDSS composite image centered between NGC 7469 and IC 5283 (Image Credit above and below NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and A. Evans (U. of Va., Charlottesville/NRAO/Stony Brook Univ.), overlaid on a SDSS background) Below, a 2.4 arcmin wide image of Arp 298
NGC 7470 (= PGC 70431)
Discovered (Sep 30, 1834) by John Herschel
A 14th-magnitude spiral galaxy (type Sbc?) in Grus (RA 23 05 13.9, Dec -50 06 42)
Historical Identification: Per Dreyer, NGC 7470 (= GC 4889 = JH 3969, 1860 RA 22 56 13, NPD 140 52.2) is "extremely faint, pretty large, round, gradually a little brighter middle, 11th magnitude star to northwest".
Physical Information: Apparent size about 1.4 by 0.9 arcmin.
NGC 7471
Recorded (1886) by Frank Muller
A lost or nonexistent object in Aquarius (RA 23 03 53.0, Dec -22 54 24)
Historical Identification: Per Dreyer, NGC 7471 (Muller list II (#470), 1860 RA 22 56 23, NPD 113 39.6) is "extremely faint, very small, a little extended 85°, suddenly brighter middle, three 10th magnitude stars 20 seconds of time to west".
NGC 7472 (= NGC 7482 = PGC 70446)
Discovered (Aug 11, 1864) by Albert Marth (and later listed as NGC 7482)
Discovered (Dec 7, 1865) by Otto Struve (and later listed as NGC 7472)
Also observed (date?) by Sherburne Burnham
A 14th-magnitude elliptical galaxy (type E3?) in Pisces (RA 23 05 38.6, Dec +03 03 32)
Historical Identification: Per Dreyer, NGC 7472 (= GC 6115, O. Struve, 1860 RA 22 56 34, NPD 87 42) is "a faint nebulous star, = 7477?", the query about this being a duplicate of NGC 7477 being apparently confirmed in the first Index Catalog; but as it happens, that is probably not the case.
Discovery Notes: The first IC states "7472 and 7477 to be struck out, both being = 7482 with errors of 2 minutes and 1 minute in RA (Burnham)". (Despite Dreyer's statement, the galaxy is usually called NGC 7472, and NGC 7482 is treated as the duplicate entry.)
Physical Information: Apparent size about 0.6 by 0.4 arcmin.
NGC 7473 (= PGC 70373)
Discovered (Sep 6, 1863) by Albert Marth
A 14th-magnitude lenticular galaxy (type SB0?) in Pegasus (RA 23 03 57.1, Dec +30 09 36)
Historical Identification: Per Dreyer, NGC 7473 (= GC 6116, Marth #516, 1860 RA 22 57 08, NPD 60 36) is "very faint, small, round".
Physical Information: Apparent size about 1.1 by 0.5 arcmin.
NGC 7474 (= PGC 70379)
Discovered (Sep 9, 1864) by Albert Marth
A 15th-magnitude lenticular galaxy (type S0?) in Pegasus (RA 23 04 04.3, Dec +20 04 04)
Historical Identification: Per Dreyer, NGC 7474 (= GC 6117, Marth #517, 1860 RA 22 57 11, NPD 70 41) is "extremely faint, very small".
Physical Information: Apparent size about 0.5 by 0.5 arcmin.
NGC 7475 (= PGC 70382 + PC 70383)
Discovered (Sep 9, 1864) by Albert Marth
A pair of elliptical galaxies in Pegasus
PGC 70383 = A 14th-magnitude elliptical galaxy (type E2?) at RA 23 04 10.1, Dec +20 04 45
PGC 70382 = A 15th-magnitude elliptical galaxy (type E4?) at RA 23 04 11.6, Dec +20 05 04
Historical Identification: Per Dreyer, NGC 7475 (= GC 6118, Marth #518, 1860 RA 22 57 17, NPD 70 40) is "very faint, small".
Physical Information: Apparent size of PGC 70383 is about 1.1 by 0.9 arcmin. Apparent size of PGC 70382 is about 0.5 by 0.3 arcmin.
NGC 7476 (= PGC 70427)
Discovered (Sep 5, 1834) by John Herschel
A 13th-magnitude spiral galaxy (type SBab?) in Grus (RA 23 05 12.0, Dec -43 05 53)
Historical Identification: Per Dreyer, NGC 7476 (= GC 4891 = JH 3970, 1860 RA 22 57 20, NPD 133 51.7) is "faint, small, round, in a triangle with two 7th magnitude stars".
Physical Information: Apparent size about 1.4 by 1.0 arcmin.
NGC 7477 (= PGC 1245518)
Discovered (Sep 9, 1866) by Heinrich d'Arrest
Looked for but not? observed (date?) by Sherburne Burnham
A 16th-magnitude spiral galaxy (type S?) in Pisces (RA 23 04 40.7, Dec +03 07 06)
Historical Identification: Per Dreyer, NGC 7477 (= GC 6119, d'Arrest, 1860 RA 22 57 34, NPD 87 38.1) is "faint, small, brighter middle equal to a 15th magnitude star, 17th magnitude star attached on north". The first IC states "7472 and 7477 to be struck out, both being = 7482 with errors of 2 minutes and 1 minute in RA (Burnham)".
Physical Information: Apparent size about 0.3 by 0.2 arcmin.
NGC 7478 (= PGC 70418)
Discovered (Aug 11, 1864) by Albert Marth
A 15th-magnitude spiral galaxy (type Sa?) in Pisces (RA 23 04 56.5, Dec +02 34 39)
Historical Identification: Per Dreyer, NGC 7478 (= GC 6120, Marth #519, 1860 RA 22 57 44, NPD 88 10) is "extremely faint, extended".
Physical Information: Apparent size about 0.4 by 0.3 arcmin.
NGC 7479
(= C44 = PGC 70419 = UGC 12343 = CGCG 430-058 = MCG +02-58-060)
Discovered (Oct 19, 1784) by William Herschel
Also observed (Oct 12, 1825) by John Herschel
An 11th-magnitude spiral galaxy (type SBc?) in Pegasus (RA 23 04 56.7, Dec +12 19 20)
Historical Identification: Per Dreyer, NGC 7479 (= GC 4892 = JH 2205 = WH I 55, 1860 RA 22 57 56, NPD 78 25.9) is "pretty bright, considerably large, much extended 12°, between 2 stars".
Physical Information: Apparent size about 4.0 by 3.1 arcmin.
Above, a 12 arcmin wide image centered on NGC 7479 (Image Credit & © above and below Jim Misti, Misti Mountain Observatory; used by permission) Below, a 4 arcmin wide image of the galaxy
Below, a ? arcmin wide HST image of the galaxy (Image Credit Hubble/ESA/NASA)
NGC 7480 (= PGC 70432)
Discovered (Aug 11, 1864) by Albert Marth
A 14th-magnitude lenticular galaxy (type S0/a?) in Pisces (RA 23 05 13.5, Dec +02 32 58)
Historical Identification: Per Dreyer, NGC 7480 (= GC 6121, Marth #520, 1860 RA 22 58 02, NPD 88 12) is "very faint, very small, very little extended, very gradually brighter middle".
Physical Information: Apparent size about 1.3 by 0.3 arcmin.
PGC 85377 (= "NGC 7480B")
Not an NGC object but listed here because sometimes referred to as NGC 7480B
A 15th-magnitude spiral galaxy (type Sb?) in Pisces (RA 23 05 01.7, Dec +02 32 26)
Physical Information: Apparent size about 0.6 by 0.3 arcmin.
UPDATED AUG 21, 2024
NGC 7481 (not = ESO 604-003) (and almost certainly not NGC 7365, either)
Recorded (1886) by Ormond Stone
A lost or nonexistent object in Aquarius (RA 23 05 52.6, Dec -19 56 25)
Historical Identification: Per Dreyer, NGC 7481 (Ormond Stone list I (#261), 1860 RA 22 58 25, NPD 110 41.7) is "very faint, very small, round, gradually brighter middle." The position precesses to RA 23 05 52.6, Dec -19 56 25 (whence the position above), but there is nothing there nor near there. As described in the following paragraphs, there has been no satisfactory explanation of what 7481 could possibly be, so it must be considered lost or nonexistent.
Discovery Notes: Per Corwin, Stone wrote that #261 was magnitude 14.0, very small, round and gradually brighter in the middle, and it is not possible for the galaxy that ESO chose (ESO 604-033 = PGC 70479) to be NGC 7481, as that is far too faint (certainly fainter than magnitude 16), and has a magnitude 14.3 star (two magnitudes brighter than the ESO galaxy) that Stone would certainly have mentioned if it were his object, so Corwin's first choice was "lost". A subsequent check of the region turned up Leavenworth #257 (= NGC 7365), described by Leavenworth (using the same telescope as Stone) in nearly the same way (magnitude 14.5, "extremely small, round, gradually brighter middle and nucleus, a nebulous star with a magnitude 11 star 1 arcmin north-following (to the northeast). Leavenworth's description exactly fits NGC 7365 (though the star to the northeast is magnitude 11.8, visual estimates of that day were often off by more than a magnitude), but although his description and NPD are nearly identical to Stone's, 7365 is 21 minutes to the east of the supposed position of 7481, and even for Leander McCormick measurements that would be an extremely unlikely error. So although Corwin thinks that the similarities between 7481 and 7365 require his listing 7481 as a possible duplication of 7365, he doubts that it is the correct object, and continues to believe that NGC 7481 is almost certainly lost.
Gottlieb notes that Corwin and the RNGC list 7481 as lost or nonexistent, similarly rejects the ESO identification, and also concludes that 7481 is lost. So other than the ESO misidentification, that conclusion appears to be unanimous.
Grasping at Straws: If Stone's right ascension had been (1860) 23 20, it could be supposed that there was a simple single-digit error (in place of 23 40) that would have made NGC 7365 a possible duplicate entry; but having both the hours and the minutes different from Leavenworth's position makes that sort of solution too unlikely to give it any credence.
Above, an 18 arcmin SDSS image centered on the NGC position for NGC 7481, also showing the incorrect ESO identification
NGC 7482 (= NGC 7472 = PGC 70446)
Discovered (Aug 11, 1864) by Albert Marth (and later listed as NGC 7482)
Discovered (Dec 7, 1865) by Otto Struve (and later listed as NGC 7472)
Also observed (date?) by Sherburne Burnham
A 14th-magnitude elliptical galaxy (type E3?) in Pisces (RA 23 05 38.6, Dec +03 03 32)
Historical Identification: Per Dreyer, NGC 7482 (= GC 6122, Marth #521, 1860 RA 22 58 33, NPD 87 41) is "faint, very small, stellar". The first IC states "7472 and 7477 to be struck out, both being = 7482 with errors of 2 minutes and 1 minute in RA (Burnham)". (Despite Dreyer's statement, the galaxy is usually called NGC 7472, and NGC 7482 is treated as the duplicate entry.)
Physical Information: Given the duplicate entry, see NGC 7472 for anything else.
NGC 7483 (= PGC 70455)
Discovered (Sep 18, 1830) by John Herschel
A 13th-magnitude spiral galaxy (type SBa?) in Pisces (RA 23 05 48.2, Dec +03 32 43)
Historical Identification: Per Dreyer, NGC 7483 (= GC 4893 = JH 2206, 1860 RA 22 58 40, NPD 87 12.7) is "very faint, small, extended, pretty suddenly brighter middle".
Physical Information: Apparent size about 1.6 by 1.1 arcmin.
NGC 7484 (= PGC 70505)
Discovered (Aug 30, 1834) by John Herschel
A 12th-magnitude elliptical galaxy (type E1?) in Sculptor (RA 23 07 04.9, Dec -36 16 22)
Historical Identification: Per Dreyer, NGC 7484 (= GC 4894 = JH 3971 = JH 3972, 1860 RA 22 59 21, NPD 127 01.6) is "pretty bright, small, round, a little brighter middle, 8th or 9th magnitude star attached on south".
Physical Information: Apparent size about 1.8 by 1.7 arcmin.
NGC 7485 (= PGC 70470)
Discovered (Aug 19, 1828) by John Herschel
A 13th-magnitude lenticular galaxy (type S0?) in Pegasus (RA 23 06 04.8, Dec +34 06 29)
Historical Identification: Per Dreyer, NGC 7485 (= GC 4895 = JH 2207, 1860 RA 22 59 24, NPD 56 39.1) is "very faint, small, round, brighter middle, 10th magnitude star to west".
Physical Information: Apparent size about 1.3 by 0.3 arcmin.
NGC 7486
Recorded (Aug 25, 1871) by Ralph Copeland
A pair of stars in Pegasus (RA 23 06 13.4, Dec +34 06 08)
Historical Identification: Per Dreyer, NGC 7486 (Copeland using Lord Rosse's telescope, 1860 RA 22 59 31, NPD 56 39.3) is "very faint, very small, 2' east of h 2207", (JH) 2207 being NGC 7485.
Physical Information:
NGC 7487 (= PGC 70496 = NGC 7210)
Discovered (Nov 17, 1827) by John Herschel (and later listed as NGC 7210)
Discovered (Aug 3, 1886) by Lewis Swift (and later listed as NGC 7487)
A magnitude 13.5 lenticular galaxy (type E/S0?) in Pegasus (RA 23 06 50.5, Dec +28 10 45)
Historical Identification: Per Dreyer, NGC 7487 (Swift list IV (#89), 1860 RA 23 00 13, NPD 62 34.1) is "very faint, small, round". The position precesses to RA 23 06 59.3, Dec +28 11 16, about 2 arcmin east northeast of the galaxy listed above, the description fits and there is nothing comparable nearby, so the identification is certain.
Discovery Notes: Herschel's GC (and hence Dreyer's NGC) entry for NGC 7210 (which see for a discussion of its relatively recent identification as a prior observation of NGC 7487) had a right ascension an hour too small and an NPD a degree too large; as a result, Herschel's observation was not connected with any physical object until 2016. Given the all too recent identification of NGC 7210, the galaxy is universally listed as NGC 7487, and the usual usage of the lower NGC number is not appropriate in this case.
Physical Information: Based on a recessional velocity of 9535 km/sec, a straightforward calculation (using H = 70 km/sec/Mpc) indicates that NGC 7487 is about 445 million light years away. However, for objects at such distances we should take into account the expansion of the Universe during the time it took their light to reach us. Doing that shows that the galaxy was about 425 to 430 million light years away at the time the light by which we see it was emitted, about 435 million years ago (the difference between the two numbers being due to the expansion of the intervening space during the light-travel time). Given that and its apparent size of about 1.8 by 1.3 arcmin (from the images below), the galaxy is about 225 thousand light years across.
Above, a 12 arcmin wide SDSS image centered on NGC 7487 Below, a 2.2 arcmin wide SDSS image of the galaxy
NGC 7488 (= PGC 70539)
Discovered (Aug 11, 1864) by Albert Marth
A 14th-magnitude lenticular galaxy (type E/S0?) in Pisces (RA 23 07 48.9, Dec +00 56 28)
Historical Identification: Per Dreyer, NGC 7488 (= GC 6123, Marth #522, 1860 RA 23 00 38, NPD 89 49) is "very faint, very small, stellar".
Physical Information: Apparent size about 0.6 by 0.5 arcmin.
NGC 7489 (= PGC 70532)
Discovered (Sep 14, 1863) by William Lassell
Probably also observed by Albert Marth
A 13th-magnitude spiral galaxy (type Scd?) in Pegasus (RA 23 07 32.5, Dec +22 59 52)
Historical Identification: Per Dreyer, NGC 7489 (= GC 6124, Lassell, Marth #523, 1860 RA 23 00 40, NPD 67 47) is "faint, small, round".
Discovery Notes: Although #523 in Marth's list, that entry states that Lassell was the observer at the time this object was first observed; but the entry also states that its existence and position were verified by subsequent observations, almost certainly by Marth. There is a slight uncertainty in the actual date of discovery, which is listed as 1863.70, as all other objects with that date appear to be listed as being observed on Sep 13, 1863; but perhaps it was observed after midnight, in which case it would have been the next day. In any event, the 14th is the date in Steinicke's database, and for that reason, it is the date shown above.
Physical Information: Apparent size about 2.1 by 1.1 arcmin.
Above, a 12 arcmin wide SDSS image centered on NGC 7489 Below, a 2.4 arcmin wide SDSS image of the galaxy
NGC 7490 (= PGC 70526)
Discovered (Oct 11, 1879) by Édouard Stephan
Discovered (Jun 21, 1881) by Edward Holden
A 12th-magnitude spiral galaxy (type Sbc?) in Pegasus (RA 23 07 25.1, Dec +32 22 32)
Historical Identification: Per Dreyer, NGC 7490 (Stephan list X (#39), Holden, 1860 RA 23 00 44, NPD 58 22.9) is "very faint, very small, irreguarly round, a little brighter middle".
Physical Information: Apparent size about 2.7 by 2.6 arcmin.
Above, a 12 arcmin wide SDSS image centered on NGC 7490 Below, a 3 arcmin wide SDSS image of the galaxy
NGC 7491 (= PGC 70546)
Discovered (Aug 21, 1881) by Édouard Stephan
A 14th-magnitude spiral galaxy (type Sbc?) in Aquarius (RA 23 08 06.0, Dec -05 57 59)
Historical Identification: Per Dreyer, NGC 7491 (Stephan list XII (#94), 1860 RA 23 00 51, NPD 96 43.3) is "very faint, small, round, a very little brighter middle".
Physical Information: Apparent size about 1.0 by 0.7 arcmin.
NGC 7492 (= GCL 125)
Discovered (Sep 20, 1786) by William Herschel
Also observed (Oct 15, 1830) by John Herschel
Also observed (Dec 18, 1902) by Isaac Roberts
An 11th-magnitude globular cluster (type XII) in Aquarius (RA 23 08 26.7, Dec -15 36 39)
Historical Identification: Per Dreyer, NGC 7492 (= GC 4896 = JH 2208 = WH III 558, 1860 RA 23 01 02, NPD 106 22.6) is "extremely faint, large, between two double stars". The second IC notes "is a cluster of extremely faint stars (Roberts)".
Discovery Notes: Roberts' observation was a photograph of 90 minutes exposure taken with a 20-inch aperture reflecting telescope.
Physical Information: Apparent size of central core about 4 arcmin, but a fainter halo extends another arcmin or so in all directions. The distance of the cluster is about 85 thousand light years, so its core is about 100 light years across, and its outer halo about 150 light years. The globular is moving toward us at about 200 km/sec, which is a "real" radial velocity, as the Universal expansion has no effect on even outlying members of our galaxy. (Note about the high-resolution image of the cluster at bottom: This image is posted on or linked from several online catalogs of open and globular clusters, but with no indication of its original source. As a result, its copyright status is unclear. I am attempting to determine where it came from, so I can request permission to keep the image on this site. If you know where it came from, please let me know. Once I determine the original source and obtain (or do not obtain) permission to leave the image as-is, this note will be deleted and if need be the image as well.)
Above, a 12 arcmin wide DSS image centered on NGC 7492 Below, a ? arcmin wide image of the cluster (Image Credit unknown; see note above about copyright status)
NGC 7493
Recorded (Oct 28, 1886) by Guillaume Bigourdan
A 15th-magnitude star in Pisces (RA 23 08 31.6, Dec +00 54 36)
Historical Identification: Per Dreyer, NGC 7493 (Bigourdan (list II #95), 1860 RA 23 01 23, NPD 89 51) is "very faint, stellar".
NGC 7494 (= PGC 70568)
Discovered (Sep 24, 1864) by Albert Marth
A 15th-magnitude elliptical galaxy (type E1?) in Aquarius (RA 23 08 58.4, Dec -24 22 09)
Historical Identification: Per Dreyer, NGC 7494 (= GC 6125, Marth #524, 1860 RA 23 01 27, NPD 115 07) is "extremely faint, very small, stellar".
Physical Information: Apparent size about 0.8 by 0.7 arcmin.
NGC 7495 (= PGC 70566)
Discovered (Oct 31, 1885) by Lewis Swift
A 13th-magnitude spiral galaxy (type Sc?) in Pegasus (RA 23 08 57.4, Dec +12 02 53)
Historical Identification: Per Dreyer, NGC 7495 (Swift list II (#98), 1860 RA 23 01 50, NPD 78 42.3) is "extremely faint, small, a little extended, 9th magnitude star near to northeast".
Physical Information: Apparent size about 1.8 by 1.6 arcmin.
NGC 7496 (= PGC 70588 = PGC 548857 = ESO 291-001 = MCG -07-47-020)
Discovered (Sep 5, 1834) by John Herschel
A magnitude 11.4 spiral galaxy (type (R')SB(s)bc) in Grus (RA 23 09 47.3, Dec -43 25 40)
Historical Identification: Per Dreyer, NGC 7496 (= GC 4897 = JH 3973, 1860 RA 23 01 56, NPD 134 10.6) is "pretty bright, considerably large, a little extended, very gradually brighter middle equal to 13th magnitude star." The position precesses to RA 23 09 48.3, Dec -43 25 07, about 0.6 arcmin north-northeast of the center of the galaxy listed above and well within its outline, the description fits and there is nothing else nearby, so the identification is certain.
Physical Information: Based on a recessional velocity relative to the Cosmic Microwave Background radiation of 1410 km/sec (and H0 = 70 km/sec/Mpc), NGC 7496 is about 65 million light-years away, in good agreement with redshift-independent distance estimates of about 25 to 65 million light-years. Given that and its apparent size of about 3.9 by 3.5 arcmin (from the images below), the galaxy is about 75 thousand light-years across. The galaxy's bright center caused it to be listed as a Seyfert galaxy (type Sy 2).
Above, a 12 arcmin wide DSS image centered on NGC 7496 Below, a 4 arcmin wide image of the galaxy (Image Credit & © Carnegie-Irvine Galaxy Survey; used by permission)
Below, a 2.0 by 2.75 arcmin wide image of the brighter part of the galaxy (Image Credit ESA/Hubble/NASA, J. Lee and the PHANGS-HST Team, Acknowledgement Judy Schmidt; post-processing Courtney Seligman)
Below, a 0.75 arcmin wide image of the nucleus of the galaxy (Image Credit as above)
PGC 70687 (= "NGC 7496A")
Not an NGC object but listed here since sometimes called NGC 7496A
A 14th-magnitude spiral galaxy (type SB(s)m?) in Grus (RA 23 12 23.4, Dec -43 46 43)
Physical Information: Apparent size about 1.4 by 0.7 arcmin. The star-forming regions on the western side of the galaxy are sometimes called "NGC 7496B", but this designation is not recognized by any standard database, and in any event the regions are almost certainly part of PGC 70687, and giving them a separate designation merely confuses the situation.
Above, a 12 arcmin wide DSS image centered on PGC 70687 Below, a 1.8 arcmin wide DSS image of the galaxy
Below, a 36 arcmin wide region showing the relative position of NGC 7496 and PGC 70687
NGC 7497 (= PGC 70569)
Discovered (Oct 15, 1784) by William Herschel
Also observed (Oct 7, 1825) by John Herschel
A 12th-magnitude spiral galaxy (type SBc?) in Pegasus (RA 23 09 03.5, Dec +18 10 39)
Historical Identification: Per Dreyer, NGC 7497 (= GC 4898 = JH 2209 = WH III 203, 1860 RA 23 02 06, NPD 72 35.1) is "very faint, large, pretty much extended 45°, a little brighter middle".
Physical Information: Apparent size about 4.4 by 1.7 arcmin. Noticeably obscured by clouds of gas and dust in our own galaxy.
Above, a 12 arcmin wide SDSS image centered on NGC 7497 Below, a 4 arcmin wide SDSS image of the galaxy
NGC 7498 (= PGC 70590)
Discovered (Sep 24, 1864) by Albert Marth
A 14th-magnitude spiral galaxy (type Sab?) in Aquarius (RA 23 09 56.0, Dec -24 25 28)
Historical Identification: Per Dreyer, NGC 7498 (= GC 6126, Marth #525, 1860 RA 23 02 25, NPD 115 10) is "very faint, small, irregularly round".
Physical Information: Apparent size about 0.9 by 0.4 arcmin.
NGC 7499 (= PGC 70608)
Discovered (Sep 2, 1864) by Albert Marth
A 13th-magnitude lenticular galaxy (type S0?) in Pisces (RA 23 10 22.3, Dec +07 34 52)
Historical Identification: Per Dreyer, NGC 7499 (= GC 6127, Marth #526, 1860 RA 23 03 17, NPD 83 10) is "very faint, very small, stellar".
Physical Information: Apparent size about 1.2 by 0.7 arcmin. A member of the Pisces Cluster of galaxies.
Above, a 12 arcmin wide SDSS image centered on NGC 7499, also showing NGC 7501 and 7503 Below, a 2.4 arcmin wide SDSS image of the galaxy and numerous smaller cluster members
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