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6650, 6651, 6652, 6653, 6654, 6655, 6656, 6657, 6658, 6659, 6660, 6661, 6662, 6663, 6664, 6665, 6666,
6667, 6668, 6669, 6670, 6671, 6672, 6673, 6674, 6675, 6676, 6677, 6678, 6679, 6680, 6681, 6682, 6683,
6684, 6685, 6686, 6687, 6688, 6689, 6690, 6691, 6692, 6693, 6694, 6695, 6696, 6697, 6698, 6699
Page last updated Jul 27, 2011
WORKING: Add positions/physical data (per Steinicke)
NGC 6650 (= PGC 61857)
Discovered (Sep 11, 1883) by Lewis Swift (2-67)
A 14th-magnitude elliptical galaxy (type C?) in Draco (RA 18 25 27.9, Dec +68 00 23)
Based on a recessional velocity of 7055 km/sec, NGC 6650 is about 330 million light years away. Given that and its apparent size of 1.0 by 0.9 arcmin, it is about 95 thousand light years across. |
Above, a 2.4 arcmin wide closeup of NGC 6650
Below, a 12 arcmin wide region centered on the galaxy
NGC 6651
Discovered (Jun 18, 1884) by Lewis Swift (4-69)
NGC 6652
Discovered (Jun 28, 1826) by James Dunlop (607)
NGC 6653
Discovered (Jun 28, 1835) by John Herschel
NGC 6654
Discovered (Sep 11, 1883) by Lewis Swift (1-97)
NGC 6655
Recorded (June, 1855) by August Winnecke
A pair of stars in Scutum (RA 18 34 30.8, Dec -05 55 16)
NGC 6656 (= M22)
Discovered (Aug 26, 1665) by Abraham Ihle
Recorded (1764) by Charles Messier as M22
A 5th-magnitude globular cluster in Sagittarius (RA 18 36 24.2, Dec -23 54 10)
As the brightest globular cluster visible from the northern hemisphere, M22 was the first globular cluster to be discovered (although its true nature was not known until much later). It is about 10 thousand light years away, and about 65 light years in diameter. |
Above, a view of M22 (Image Credits and ©: Jean-Charles Cuillandre (CFHT), Hawaiian Starlight, CFHT)
Below, a closeup of the cluster (Image Credits and ©: Jim Misti, Misti Mountain Observatory; used by permission)
NGC 6657
Discovered (Jul 16, 1876) by Édouard Stephan (7-22)
NGC 6658
Discovered (Jun 6, 1864) by Albert Marth (382)
NGC 6659
Discovered (Jul 12, 1830) by John Herschel
NGC 6660 (= NGC 6661)
Discovered (Jun 6, 1864) by Albert Marth (and later listed as NGC 6661)
Discovered (Jul 14, 1885) by Lewis Swift (2-68) (and later listed as NGC 6660)
A 12th-magnitude lenticular galaxy (type S0/a) in Hercules (RA 18 34 36.7, Dec +22 54 33)
The first IC states "6660 is = 6661 (Pechule, A.N. 3259)"; so the identity of the two listings has been known for more than a century.
NGC 6661 (= NGC 6660)
Discovered (Jun 6, 1864) by Albert Marth (383) (and later listed as NGC 6661)
Discovered (Jul 14, 1885) by Lewis Swift (and later listed as NGC 6660)
A 12th-magnitude lenticular galaxy (type S0/a) in Hercules (RA 18 34 36.7, Dec +22 54 33)
The first IC states "6660 is = 6661 (Pechule, A.N. 3259)"; so the identity of the two listings has been known for more than a century.
NGC 6662
Discovered (Aug 7, 1883) by Édouard Stephan (13b-90)
NGC 6663
Discovered (May 29, 1887) by Edward Swift (9-88)
NGC 6664
Discovered (Jun 16, 1784) by William Herschel
NGC 6665
Discovered (Jul 19, 1871) by Édouard Stephan (2-21)
NGC 6666
Recorded (May 25, 1887) by Edward Swift (9-89)
A lost or nonexistent object in Lyra (RA 18 34 44.0, Dec +33 35 18)
The second IC lists a corrected RA (per Bigourdan) of 18 30 10.
NGC 6667 (= NGC 6668 = NGC 6678)
Discovered (Sep 11, 1883) by Lewis Swift (2-69) (and later listed as NGC 6667)
Discovered (Jun 8, 1885) by Lewis Swift (and later listed as NGC 6678)
Discovered (Jul 31, 1886) by Lewis Swift (and later listed as NGC 6668)
A 13th-magnitude barred spiral galaxy (type SBab pec) in Draco (RA 18 30 39.7, Dec +67 59 12)
NGC 6668 (= NGC 6667 = NGC 6678)
Discovered (Sep 11, 1883) by Lewis Swift (and later listed as NGC 6667)
Discovered (Jun 8, 1885) by Lewis Swift (and later listed as NGC 6678)
Discovered (Jul 31, 1886) by Lewis Swift (4-70) (and later listed as NGC 6668)
A 13th-magnitude barred spiral galaxy (type SBab pec) in Draco (RA 18 30 39.7, Dec +67 59 12)
The second IC states "Not found by Howe (3 nights), probably = 6677".
NGC 6669
Discovered (Jul 2, 1864) by Albert Marth (384)
NGC 6670
Discovered (Jul 31, 1886) by Lewis Swift (4-71)
NGC 6671
Discovered (Jun 6, 1864) by Albert Marth (385)
NGC 6672
Recorded (Jul 24, 1879) by Édouard Stephan (10-37)
A pair of stars in Lyra (RA 18 36 14.5, Dec +42 56 49)
NGC 6673
Discovered (Aug 7, 1834) by John Herschel
NGC 6674
Discovered (Jun 6, 1864) by Albert Marth (386)
NGC 6675
Discovered (July, 1865) by Auguste Voigt (7)
NGC 6676
Discovered (May 30, 1886) by Lewis Swift (4-72)
NGC 6677 (= IC 4763)
Discovered (Jun 8, 1885) by Lewis Swift (1-98) (and later listed as NGC 6677)
Discovered (Sep 5, 1891) by Guillaume Bigourdan (and later listed as IC 4763)
A 13th-magnitude elliptical galaxy (type C?) in Draco (RA 18 33 30.4, Dec +67 08 13)
The second IC states "6668 not found by Howe (3 nights), probably = 6677".
NGC 6678 (= NGC 6667 = NGC 6668)
Discovered (Sep 11, 1883) by Lewis Swift (and later listed as NGC 6667)
Discovered (Jun 8, 1885) by Lewis Swift (1-99) (and later listed as NGC 6678)
Discovered (Jul 31, 1886) by Lewis Swift (and later listed as NGC 6668)
A 13th-magnitude barred spiral galaxy (type SBab pec) in Draco (RA 18 30 39.7, Dec +67 59 12)
The second IC states "Not found by Howe (2 nights)".
NGC 6679
Discovered (Oct 25, 1885) by Lewis Swift (3-100)
The second IC adds "NPD is 22 58.5, nebulous 12.5 magnitude double star 5 arcsec away (Howe)".
NGC 6680
Discovered (Jul 2, 1864) by Albert Marth (387)
NGC 6681 (= M70)
Discovered (Aug 31, 1780) by Charles Messier
An 8th-magnitude globular cluster in Sagittarius (RA 18 43 12.7, Dec -32 17 29)
About 65 light years across and 30 thousand light years away
Above, a view of the entire cluster (Image Credits: REU program, AURA, NSF, NOAO)
Below, a closeup of the central 3.3 arcmin (Image Credit: ESA/HST (Wikisky cutout))
Below, a 12 arcmin wide region centered on the cluster
NGC 6682
Discovered (Jul 25, 1827) by John Herschel
NGC 6683
Discovered (Jul 28, 1827) by John Herschel
NGC 6684
Discovered (Jun 8, 1836) by John Herschel
NGC 6685
Discovered (May 29, 1887) by Edward Swift (9-91)
The second IC lists a corrected NPD (per Bigourdan) of 50 09.
NGC 6686
Discovered (May 29, 1887) by Edward Swift (9-92)
The second IC lists a corrected NPD (per Bigourdan) of 49 59.
NGC 6687
Discovered (Jul 11, 1883) by Lewis Swift (1-100)
NGC 6688
Discovered (Aug 3, 1864) by Albert Marth (388)
NGC 6689 (= NGC 6690)
Discovered (Aug 22, 1863) by Heinrich d'Arrest (and later listed as NGC 6689)
Discovered (Aug 16, 1884) by Lewis Swift (and later listed as NGC 6690)
A 13th-magnitude barred spiral galaxy (type SBcd) in Draco (RA 18 34 49.9, Dec +70 31 27)
NGC 6690 (= NGC 6689)
Discovered (Aug 22, 1863) by Heinrich d'Arrest (and later listed as NGC 6689)
Discovered (Aug 16, 1884) by Lewis Swift (5-86) (and later listed as NGC 6690)
A 13th-magnitude barred spiral galaxy (type SBcd) in Draco (RA 18 34 49.9, Dec +70 31 27)
NGC 6691
Discovered (Aug 16, 1884) by Lewis Swift (4-73)
NGC 6692
Discovered (Aug 11, 1883) by Édouard Stephan (13b-91)
NGC 6693
Discovered (Aug 3, 1864) by Albert Marth (389)
NGC 6694 (= M26)
Discovered (Jun 20, 1764) by Charles Messier
An 8th-magnitude open cluster in Scutum (RA 18 45 15.0, Dec -09 23 06)
Above, a view of M26 (Image Credit: Hillary Mathis, Vanessa Harvey, REU program, AURA, NSF, NOAO)
NGC 6695
Discovered (Aug 22, 1884) by Édouard Stephan (13b-92)
NGC 6696
Discovered (Jun 17, 1884) by Lewis Swift (2-70)
The second IC lists a corrected RA (per Howe) of 18 38 05.
NGC 6697
Discovered (Jul 2, 1864) by Albert Marth (390)
NGC 6698
Discovered (Jul 12, 1784) by William Herschel
NGC 6699 (= PGC 62512)
Discovered (Jul 12, 1834) by John Herschel
A 12th-magnitude spiral galaxy (type SAB(rs)bc) in Pavo (RA 18 52 01.9, Dec -57 19 14)
Per Dreyer, NGC 6699 (= John Herschel's GC 4434, 1860 RA 18 40 07, NPD 147 27.8) is "pretty faint, pretty small, a little extended 90°, pretty suddenly little brighter middle". The position precesses to RA 18 52 03.9, Dec -57 18 27, near the northeastern boundary of the galaxy, so the identification is certain. Based on a recessional velocity of 3390 km/sec, NGC 6699 is about 160 million light years away. Given that and its apparent size of 1.5 by 1.5 arcmin, it is about 70 thousand light years across. |
Above, a 2.4 arcmin wide closeup of NGC 6699
Below, a HST view of a portion of the galaxy (Image Credits: ESA, HST, Hubble Legacy Archive)
(Post processing by Courtney Seligman; image rotated to use as much of frame as possible, so North is up to the right)
Below, a 12 arcmin wide region centered on NGC 6699
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