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Page last updated Oct 13, 2013
WORKING: Check positions, historical IDs (Corwin+), add basic pix, captions, tags
IC 2400 (= PGC 24714)
Discovered (Feb 14, 1896) by Stephane Javelle (1054)
A magnitude 14.3 spiral galaxy (type SABbc?) in Lynx (RA 08 47 59.1, Dec +38 04 08)
Based on a recessional velocity of 7985 km/sec, IC 2400 is about 370 million light years away. Given that and its apparent size of 0.8 by 0.3 arcmin, it is about 85 thousand light years across.
 Above, a 1.2 arcmin wide SDSS image of IC 2400 Below, a 12 arcmin wide SDSS image centered on the galaxy

IC 2401 (= PGC 24728)
Discovered (Feb 14, 1896) by Stephane Javelle (1055)
A magnitude 14.4 lenticular galaxy (type S0??) in Lynx (RA 08 48 10.2, Dec +37 45 21)
Apparent size 1.2 by 0.7 arcmin?
IC 2402 (= PGC 24720)
Discovered (Feb 15, 1896) by Stephane Javelle (1056)
A magnitude 14.7 lenticular galaxy (type S0/a??) in Cancer (RA 08 47 59.0, Dec +31 47 10)
Apparent size 0.5 by 0.5 arcmin?
IC 2403 (= PGC 90089)
Discovered (Mar 23, 1898) by Herbert Howe (12)
A magnitude 14.7 spiral galaxy (type S??) in Hydra (RA 08 46 09.3, Dec -15 21 24)
Apparent size 0.6 by 0.3 arcmin?
IC 2404 (= PGC 24725)
Discovered (Mar 2, 1896) by Stephane Javelle (1057)
A magnitude 14.5 lenticular galaxy (type S0??) in Cancer (RA 08 48 10.3, Dec +29 29 29)
Apparent size 0.4 by 0.3 arcmin?
IC 2405 (= PGC 24766)
Discovered (Mar 2, 1896) by Stephane Javelle (1058)
A magnitude 14.5 spiral galaxy (type Sbc??) in Lynx (RA 08 48 42.7, Dec +37 13 06)
Apparent size 0.8 by 0.5 arcmin?
IC 2406 (= PGC 24721)
Discovered (Jan 13, 1901) by Max Wolf (1-138)
A magnitude 13.4 lenticular galaxy (type S0/a??) in Cancer (RA 08 48 04.4, Dec +17 42 08)
Apparent size 1.1 by 0.6 arcmin?
IC 2407 (= PGC 24726)
Discovered (Jan 13, 1901) by Max Wolf (1-139)
A magnitude 14.4 spiral galaxy (type Sbc??) in Cancer (RA 08 48 09.1, Dec +17 36 42)
Apparent size 1.2 by 0.2 arcmin?
IC 2408
Recorded (Jan 13, 1901) by Max Wolf (1-140)
A star in Cancer (RA 08 48 20.3, Dec +19 02 12)
IC 2409 (= PGC 24748)
Discovered (Jan 13, 1901) by Max Wolf (1-141)
A magnitude 13.5 spiral galaxy (type SBa??) in Cancer (RA 08 48 24.7, Dec +18 19 49)
Apparent size 1.0 by 0.7 arcmin?
IC 2410 (= NGC 2667 = PGC 24741)
Discovered (Feb 18, 1862) by Heinrich d'Arrest (and later listed as NGC 2667)
Discovered (Jan 13, 1901) by Max Wolf (I-142) (and later listed as IC 2410)
A magnitude 14.0 spiral galaxy (type S??) in Cancer (RA 08 48 27.2, Dec +19 01 11)
This entry will be primarily concerned with historical information; for anything else see NGC 2667.
IC 2411 (= PGC 24755 = "NGC 2667B")
Discovered (Jan 13, 1901) by Max Wolf (1-143)
A magnitude 14.7 spiral galaxy (type S??) in Cancer (RA 08 48 30.2, Dec +19 02 37)
Apparent size 0.8 by 0.2 arcmin? Sometimes needlessly renamed NGC 2667B due to its proximity to NGC 2667.
IC 2412
Recorded (Jan 13, 1901) by Max Wolf (1-146)
A magnitude 15(?) star in Cancer (RA 08 49 23.8, Dec +18 32 36)
IC 2413
Recorded (Jan 13, 1901) by Max Wolf (1-147)
A pair of stars in Cancer (RA 08 49 31.5, Dec +18 44 42)
IC 2414 (= PGC 24811)
Discovered (Jan 13, 1901) by Max Wolf (1-148)
A magnitude 14.5 elliptical galaxy (type E0??) in Cancer (RA 08 49 50.0, Dec +18 47 35)
Apparent size 0.3 by 0.3 arcmin?
IC 2415
Recorded (Jan 13, 1901) by Max Wolf (1-150)
A star in Cancer (RA 08 50 02.0, Dec +18 39 08)
IC 2416
Recorded (Jan 13, 1901) by Max Wolf (1-151)
A magnitude 14(?) star in Cancer (RA 08 50 32.1, Dec +18 33 35)
IC 2417
Recorded (Jan 13, 1901) by Max Wolf (1-152)
A magnitude 14(?) star in Cancer (RA 08 51 08.2, Dec +18 37 30)
IC 2418 (= PGC 1545976)
Discovered (Jan 13, 1901) by Max Wolf (1-153)
A magnitude 15.3 spiral galaxy (type Sbc?) in Cancer (RA 08 51 25.0, Dec +17 56 41)
Apparent size 0.4 by 0.4 arcmin.
 Above, a 1.2 arcmin wide SDSS image of IC 2418 Below, a 12 arcmin wide SDSS image centered on the galaxy

IC 2419
Recorded (Jan 13, 1901) by Max Wolf (1-154)
A pair of stars in Cancer (RA 08 55 09.5, Dec +18 06 05)
IC 2420 (= PGC 24883)
Discovered (Mar 23, 1900) by Stephane Javelle (1059)
A magnitude 13.7 lenticular galaxy (type E/S0?) in Hydra (RA 08 51 33.7, Dec +03 06 04)
Apparent size 1.0 by 0.75 arcmin.
 Above, a 2.4 arcmin wide SDSS image of IC 2420 Below, a 12 arcmin wide SDSS image centered on the galaxy

IC 2421 (= PGC 24996)
Discovered (Apr 6, 1896) by Stephane Javelle (1060)
A magnitude 13.3 spiral galaxy (type Sc??) in Cancer (RA 08 54 21.5, Dec +32 40 50)
Apparent size 2.0 by 1.5 arcmin?
IC 2422 (= PGC 24998)
Discovered (Apr 6, 1896) by Stephane Javelle (1061)
A magnitude 14.6 lenticular galaxy (type S0/a?) in Cancer (RA 08 54 24.3, Dec +20 13 31)
Apparent size 0.5 by 0.5 arcmin?
IC 2423 (= PGC 25021)
Discovered (Apr 6, 1896) by Stephane Javelle (1062)
A magnitude 13.7 spiral galaxy (type SBb??) in Cancer (RA 08 54 47.1, Dec +20 13 13)
Apparent size 1.0 by 0.8 arcmin?
IC 2424 (= NGC 2704 = PGC 25134)
Discovered (Mar 18, 1787) by William Herschel (and later listed as NGC 2704)
Discovered (Mar 18, 1892) by Guillaume Bigourdan (271) (and later listed as IC 2424)
A magnitude 13.5 spiral galaxy (type SBab??) in Lynx (RA 08 56 47.7, Dec +39 22 57)
This entry will be primarily concerned with historical information; for anything else see NGC 2704.
IC 2425
Recorded (Mar 28, 1897) by Guillaume Bigourdan (396)
A star in Hydra (RA 08 55 50.2, Dec -03 25 25)
IC 2426 (= PGC 25208)
Discovered (Mar 23, 1900) by Stephane Javelle (1063)
A magnitude 14.7 spiral galaxy (type S??) in Hydra (RA 08 58 30.4, Dec +02 55 34)
Apparent size 0.4 by 0.2 arcmin?
IC 2427 (= PGC 25330)
Discovered (Apr 2, 1900) by Stephane Javelle (1064)
A magnitude 14.9 elliptical galaxy (type E3??) in Lynx (RA 09 01 01.6, Dec +37 52 34)
Apparent size 0.4 by 0.3 arcmin?
IC 2428 (= PGC 25423)
Discovered (Apr 8, 1896) by Stephane Javelle (1065)
A magnitude 13.8 spiral galaxy (type Sc??) in Cancer (RA 09 03 14.7, Dec +30 35 27)
Apparent size 1.9 by 0.4 arcmin?
IC 2429 (= PGC 25446)
Discovered (Mar 24, 1900) by Stephane Javelle (1066)
A magnitude 14.4 spiral galaxy (type Sb??) in Cancer (RA 09 03 42.5, Dec +29 17 48)
Apparent size 0.4 by 0.2 arcmin?
IC 2430 (= PGC 25467)
Discovered (Apr 8, 1896) by Stephane Javelle (1067)
A magnitude 13.5 lenticular galaxy (type S0/a??) in Cancer (RA 09 04 22.8, Dec +27 57 09)
Apparent size 1.1 by 0.6 arcmin?
IC 2431 (= PGC 25476)
Discovered (Feb 24, 1896) by Stephane Javelle (1068)
A magnitude 14.0 group of galaxies in Cancer (RA 09 04 34.8, Dec +14 35 43)
Obviously at least a triplet of interacting galaxies, and listed as a quartet in most references. Based on a recessional velocity of 14950 km/sec, a straightforward calculation indicates that the group is about 700 million light years away. However, for objects at such distances we should take into account the Universal expansion during the time it took their light to reach us. Doing that shows that the group was about 655 million light years away at the time the light by which we see it was emitted, about 675 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 0.7 by 0.65 arcmin, the group spans about 135 thousand light years.
 Above, a 1.2 arcmin wide SDSS image of IC 2431 Below, a 12 arcmin wide SDSS image centered on the group of galaxies

IC 2432 (= PGC 25479)
Discovered (Mar 23, 1900) by Stephane Javelle (1069)
A magnitude 14.6 spiral galaxy (type S??) in Hydra (RA 09 04 39.5, Dec +05 30 45)
Apparent size 0.5 by 0.2 arcmin?
IC 2433 (= PGC 25514)
Discovered (Apr 6, 1896) by Stephane Javelle (1070)
A magnitude 14.6 spiral galaxy (type Sc??) in Cancer (RA 09 05 28.6, Dec +22 36 07)
Apparent size 0.9 by 0.4 arcmin?
IC 2434 (= PGC 25609)
Discovered (Mar 2, 1896) by Stephane Javelle (1071)
A magnitude 13.4 spiral galaxy (type SB?? pec) in Lynx (RA 09 07 15.9, Dec +37 12 56)
Apparent size 1.5 by 0.7 arcmin?
IC 2435 (= PGC 25571)
Discovered (Apr 8, 1896) by Stephane Javelle (1072)
A magnitude 13.8 elliptical galaxy (type E5??) in Cancer (RA 09 06 49.7, Dec +26 16 33)
Apparent size 0.8 by 0.4 arcmin?
IC 2436
Recorded (May, 1900) by DeLisle Stewart (316)
A pair of stars in Hydra (RA 09 05 23.1, Dec -19 09 59)
IC 2437 (= PGC 25518)
Discovered (Feb 23, 1898) by Herbert Howe (13)
A magnitude 12.9 lenticular galaxy (type E/S0??) in Hydra (RA 09 05 33.1, Dec -19 12 26)
Apparent size 1.8 by 1.1 arcmin?
IC 2438
Discovered (Feb 3, 1894) by Guillaume Bigourdan (272)
A group of stars in Camelopardalis (RA 09 14 11.0, Dec +73 24 50)
IC 2439 (= PGC 25719)
Discovered (Apr 6, 1896) by Stephane Javelle (1073)
A magnitude 13.9 lenticular galaxy (type S0/a??) in Cancer (RA 09 08 38.4, Dec +32 35 36)
Apparent size 1.0 by 0.2 arcmin?
IC 2440
Recorded (Feb 3, 1894) by Guillaume Bigourdan (273)
A magnitude 14(?) star in Camelopardalis (RA 09 15 50.4, Dec +73 27 31)
IC 2441 (= PGC 25844 + PGC 3442463)
Discovered (Apr 22, 1897) by Stephane Javelle (1074)
A pair of galaxies in Cancer
PGC 25844 = A magnitude 14.3 lenticular galaxy (type S0/a?) at RA 09 10 01.8, Dec +22 51 18
PGC 3442463 = A magnitude 15 lenticular galaxy (type SB0/(rs)a?) at RA 09 10 02.8, Dec +22 51 06
Apparent size of PGC 25844 is about 0.85 by 0.75 arcmin; of PGC 3442463 is about 0.4 by 0.25 arcmin.
 Above, a 2.4 arcmin wide SDSS image of the galaxies that comprise IC 2441, also showing IC 2442 Below, a 12 arcmin wide SDSS image centered IC 2441 and IC 2442

IC 2442 (= PGC 25843)
Discovered (Apr 22, 1896) by Stephane Javelle (1075)
A magnitude 14.1 spiral galaxy (type Sbc?) in Cancer (RA 09 10 05.1, Dec +22 50 20)
(See IC 2441 for images.) Apparent size 0.8 by 0.55 arcmin.
IC 2443 (= PGC 25908)
Discovered (Apr 8, 1896) by Stephane Javelle (1076)
A magnitude 14.1 lenticular galaxy (type SB0??) in Cancer (RA 09 11 30.8, Dec +28 49 37)
Apparent size 0.7 by 0.6 arcmin?
IC 2444 (= PGC 25969)
Discovered (Apr 8, 1896) by Stephane Javelle (1077)
A magnitude 13.8 lenticular galaxy (type SB0/a??) in Cancer (RA 09 12 50.8, Dec +30 12 46)
Apparent size 0.6 by 0.6 arcmin?
IC 2445 (= PGC 25985)
Discovered (Apr 10, 1896) by Stephane Javelle (1078)
A magnitude 14.2 spiral galaxy (type SBab??) in Cancer (RA 09 13 12.5, Dec +31 48 27)
Apparent size 0.8 by 0.5 arcmin?
IC 2446 (= PGC 26002)
Discovered (Apr 8, 1896) by Stephane Javelle (1079)
A magnitude 13.8 spiral galaxy (type Sa??) in Cancer (RA 09 13 31.3, Dec +28 57 05)
Apparent size 1.4 by 0.6 arcmin?
IC 2447
Recorded (Jan 8, 1900) by Stephane Javelle (1080)
A lost or nonexistent object in Cancer (RA 09 13 30.0, Dec +28 44 30)
IC 2448
Discovered (1898) by Williamina Fleming (80)
A magnitude 10.4 planetary nebula in Carina (RA 09 07 06.5, Dec -69 56 29)
(Note to self: refer to Palen for distance information.) Apparent size 0.45 arcmin?
 Above, a HST image of IC 2448 (Image Credits: Hubble Legacy Archive) Below, a 12 arcmin wide DSS image centered on the nebula

IC 2449 (= PGC 26012 = "NGC 2783B")
Discovered (May 16, 1903) by Stephane Javelle (1081)
A magnitude 14.3 spiral galaxy (type Sbc?) in Cancer (RA 09 13 32.9, Dec +30 00 01)
Apparent size 1.7 by 0.2 arcmin? Possibly a physical pair with NGC 2783 (which see for images, for now); and due to their proximity, sometimes needlessly renamed NGC 2783B.
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