~ Part 1 ~

Astroquotient Data Files

Eridanus, The River

Eridanus

Stars

Level 1

Alpha (Achernar)

Level 2

Beta (Kursa)
Theta (Acamar: HD 18622 + HD 18623 = 2.90)
Gamma (Zaurak)

Level 3

Delta (Rana)
Phi
Upsilon⁴ (41 Eri, HD 27376)
Tau⁴
Chi
Epsilon
Upsilon² (Theemim, 52 Eri, HD 29291)
53 (Sceptrum)
Eta (Azha)
Nu
Upsilon³ (43 Eri, d Eri)
Mu
Omicron¹ (Beid: HD 26574)
Tau³ (HD 18978)
Iota
g (HD 24160, HIP 17874)
Tau⁶ (HD 23754)
Kappa
82 (HD 20794, HIP 15510, e Eri)
Tau⁵ (HD 22203)
Lambda
54 (DM Eri)
Omega
Pi
Omicron² (Keid: DY Eri, HD 26965)
Tau¹ (HD 17206)

Level 4

32 (HD 24555 + HD 24554 = 4.51)
Upsilon¹ (50 Eri)
HD 22663
h (HD 23319)
Tau⁸
Tau⁹ (36, HD 25267)
17
HD 24072
HD 16754
Tau² (Angetanar)
S (64 Eri)
Zeta (Zibal)
Psi
39
15
45
HD 29573
60
HD 10939
p (HD 10361 + HD 10360 = 5.09)
HD 24626
47 (DV Eri)
66
68
Xi
HD 18543
20 (EG Eri)
51
Tau⁷
24
Rho³
HD 29065
HD 19349
35
Rho²
HD 26326
HD 25457
HD 27616
63
f (HD 24071)
37
4
HD 29613
30

Level 5

58
62
HD 10647
HD 20894
22
HD 30127
25
5
HD 22409
HD 29737
HD 21688
HD 25945
HD 23281
HD 25165
DU Eri (HD 28497)
HD 25723
HD 26464
HD 31414
HD 20631
HD 24744
46 (EH Eri)
HD 30238
R Eri (HD 31444)
HD 21530
Rho¹ (HD 18784)
59
HD 21882
HD 30562
HD 33224
HD 26591
HD 23978
DZ Eri (HD 28843)
HD 19141
HD 18885
HD 25069
HD 27881
6
HD 22675
EM Eri (HD 27563)
HD 32393
HD 27611
56 (DX Eri)
HD 23887
HD 14943
HD 20121
HD 25371
HD 27179
HD 18071
21
HD 28479
HD 28776
HD 21665
DO Eri (HD 24712)
HD 27362
HD 27710
HD 17925
HD 19836
HD 28970
HD 27411
HD 29063
HD 12042
HD 17006
HD 29610
7 (CV Eri)
HD 28312
HD 13445
HD 21899
HD 25803
HD 29184
HD 18557
14
HD 31726
HD 20319
HD 18894
HD 22799
DL Eri (HD 24832)
HD 30422
HD 21019
HD 23958
HD 28763
HD 24497
HD 32147
HD 22798
HD 28625
HD 22243
HD 19887
HD 25910
HD 30743
EK Eri (HD 27536)
HD 29435
HD 18735
HD 17943
HD 21473
HD 22905
HD 29227
HD 25944
HD 17098
HD 17864
HD 27490
HD 29173
HD 19826
HD 25700
HD 26575
HD 26739
HD 23508
HD 25631
HD 17438
HD 17390
HD 23010
Ross 578
40 Eri B (WD)
NGC 1429
NGC 1443
NGC 1446
NGC 1525
55 (DW Eri)

Variable Stars

Level 4

T
Z
RR
RX
SV

Level 5

Lambda
Beta (CST:)
UY
BB
BK
BY
CS
SN 1999em (Supernova)
Nu
Omicron¹
R (CST:)
S (CST:)
U
V
W
Y
RS
RT
RU
RW
RZ
SS
SU
SW
SX
SY
TZ
UU
UV
UW
VW
VX
VY
WX
YY
AS
AU
BC
BM
BR
BV
DR
DW
ER

Double and Multiple Stars

Level 2

Theta (Acamar, PZ 2)
32 (w Eri, STF 470)
Omicron² (40 Eri, STF 518, ADS 3093)

Level 3

55 (STF 590)
f (DUN 16, HIP 17797, TYC 7570-1586-1)
p (DUN 5)
62 (SHJ 48)

Level 4

Gamma (HJ 3608)
Upsilon⁴ (41 Eri, I 270)
Rho² (BU 11)
Tau⁴ (JC 1, Angetenar)
Chi (HJ 3473)
15 (SEE 23)
30 (HJ 338)
39 (STF 516)
46 (BU 881)
51 (BU 88)
53 (KUI 18)
54 (STN 9)
66 (STF 642)
HJ 3527
HJ 3556 (JC 8)
HJ 3565
HJ 3628
HU 30
BU 184
BU 400
BU 531
STF 560
STF 570
STF 571
B 70
STF 649
A 481
KUI 10
BU 401
HJ 3642
I 59
HJ 3589
HJ 3570
BU 84
BU 311
STF 576
I 468
A 2909
BU 12
HU 1363
BU 1042
STF 487
STF 489
BU 10
HU 811
A 2610
A 209
STF 636
BU 1236
HWE 11
DON 75
STF 596 (HU 104)
BU 1004
DAW 165
SEE 36
BU 744 (+ HJ 3644)
DUN 15
STF 411
HJ 3664
DUN 4
STF 631
STF 624
BU 548
BU 534
STF 436
HU 436
RST 4760
RST 4769
HJ 3548
HJ 3632
STF 341
BU 1174
I 455
STN 8 (B 69)
HJ 3449
STF 536
BU 403
STF 356
I 153
A 469
A 2801
STF 514
HJ 342
HWE 10
BU 186
BU 527
STF 408
I 152
STF 527
I 264 (+ HJ 3444)
HU 1345
STF 315
STF 544
BU 528
BU 316
STF 501
BU 543
A 2911
HU 438
I 384
HJ 3659
NGC 1498

Level 5

Beta
Phi (DUN 6)
DZ Eri (H VI 64)
BU 1004
B 1034
HO 329
RST 4223
HDO 188
HJ 2224
HJ 3700
STF 547
HJ 3628
HJ 3601
HJ 342
HJ 2187
GAL 153
B 1431
HJ 3533
RST 4216
BU 549
COO 10
SEE 34
HJ 3557
DAW 79
I 154
CPO 30
HJ 3690
A 472
STF 433
BU 532
STF 537
I 56
ARA 840
I 1480
UPT 1
HU 440
STF 466
BU 746
BU 1180
I 724
STF 407
B 1462
BU 529
HJ 3516
HU 1354
STF 651
STF 588 (+ BU 1384)
SEE 37
LDS 63
SEE 38
HJ 3485
GAL 79
A 455
HLD 66
HJ 3588
HJ 3622
B 75
BU 185
B 64 (= B 1935 + LDS 9168)
A 50
A 482
BAL 662
OL 3
HJ 3617
STF 543
B 2569 + HJ 3637
HLD 67
RST 4249
BU 1042
I 462
HJ 3569
HU 22
RST 4772
B 1934 (= B 62)
HWE 9
OL 2
B 689
A 3004
BU 539
I 722
DON 71
A 3007
RST 4268
A 479
HJ 3579
HJ 3672
STF 357
BU 532
SEE 21
HLD 71
HJ 31
BU 308
A 2910
A 456
GAL 139
I 461
HU 1558
STF 532
BU 312
BAL 29
BU 402
A 3005
HJ 3558 (= HJ 3551, BDS 1632)
A 478
I 467
HJ 26
HU 29
I 151
GAL 138
NGC 1237
NGC 1243
NGC 1420
NGC 1454
NGC 1480
NGC 1524 + NGC 1525 (Not the galaxies NGC 1516a/b)
NGC 1639

Asterisms

Level 1

Sceptrum Brandenburgicum

• 47 Eri
• HIP 21297
• HIP 21644
• 53 Eri (Sceptrum)
• 54

Psalterium Georgii

• 32 Eri
• 24 Eri
• 17 Eri

Level 3

Tau Eridani Chain

• Tau¹
• Tau²
• Tau³
• Tau⁴
• Tau⁵
• Tau⁶
• Tau⁷
• Tau⁸
• Tau⁹

f-g-h Eridani Triangle

• f Eri (HIP 17797)
• g Eri (HIP 17874)
• h Eri (HIP 17351)

Rho Eridani Triangle

• Rho¹
• Rho²
• Rho³

Omicron Eridani Asterism

• Omicron¹
• Omicron²

Upsilon Eridani Asterism

• Upsilon¹
• Upsilon²
• Upsilon³ (43 Eri, d Eri)
• Upsilon⁴ (41 Eri)

Delta Eridani Triangle

• Delta
• Epsilon
• Pi

Deep-Sky Objects

Planetary Nebulae

Level 1

NGC 1535

Bright Nebulae

Level 4

IC 2118 (The Witch-Head Nebula = NGC 1909)

Open Clusters

Level 5

IC 2091

Globular Clusters

Level 5

Eridanus Star Cluster (CL ERID 1)

Galaxies

Level 2

NGC 1232
NGC 1300
NGC 1084
NGC 1407

Level 3

NGC 1332
NGC 1395
NGC 1291
NGC 1532
NGC 1172
NGC 1187
NGC 1199
NGC 1209
NGC 1325
NGC 1353
NGC 1400
NGC 1421
NGC 1507
NGC 1600
NGC 1637
NGC 1700
NGC 1114
NGC 1162
NGC 1618
NGC 1779

Level 4

NGC 1140
NGC 1241
NGC 1309
NGC 1357
NGC 1358
NGC 1376
NGC 1415
NGC 1417
NGC 1426
NGC 1439
NGC 1440
NGC 1452
NGC 1453
NGC 1461
NGC 1638
NGC 1659
NGC 1125
NGC 1200
NGC 1208
NGC 1239
NGC 1242
NGC 1247
NGC 1248
NGC 1253
NGC 1266
NGC 1284
NGC 1287
NGC 1299
NGC 1304
NGC 1308
NGC 1320
NGC 1321
NGC 1324
NGC 1331
NGC 1354
NGC 1362
NGC 1370
NGC 1377
NGC 1393
NGC 1397
NGC 1401
NGC 1418
NGC 1441
NGC 1442
NGC 1482
NGC 1552
NGC 1576
NGC 1609
NGC 1611
NGC 1620
NGC 1635
NGC 1636
NGC 1643
NGC 1646
NGC 1653
NGC 1665
NGC 685
NGC 782
NGC 1179
NGC 1297
NGC 1337
NGC 1359
NGC 1386
NGC 1389
NGC 1437
NGC 1487
NGC 1518
NGC 1521
NGC 1531
NGC 1537
NGC 1625
NGC 1640
NGC 1667
NGC 1726
IC 1953
IC 2006

Level 5

NGC 745
NGC 754
NGC 795
NGC 852
NGC 939
NGC 954
NGC 979
NGC 1081
NGC 1082
NGC 1083
NGC 1089
NGC 1091
NGC 1092
NGC 1098
NGC 1099
NGC 1100
NGC 1102
NGC 1103
NGC 1105
NGC 1108
NGC 1110
NGC 1118
NGC 1119
NGC 1120
NGC 1121
NGC 1126
NGC 1132
NGC 1133
NGC 1139
NGC 1145
NGC 1148
NGC 1150
NGC 1151
NGC 1152
NGC 1154
NGC 1155
NGC 1157
NGC 1158
NGC 1163
NGC 1180
NGC 1181
NGC 1182
NGC 1185
NGC 1188
NGC 1189
NGC 1190
NGC 1191
NGC 1192
NGC 1195
NGC 1196
NGC 1202
NGC 1203A
NGC 1203B
NGC 1204
NGC 1205
NGC 1206
NGC 1214
NGC 1215
NGC 1216
NGC 1221
NGC 1222
NGC 1223
NGC 1225
NGC 1228
NGC 1229
NGC 1230
NGC 1231
NGC 1232A
NGC 1234
NGC 1238
NGC 1253A
NGC 1256
NGC 1258
NGC 1262
NGC 1263
NGC 1269
NGC 1285
NGC 1286
NGC 1289
NGC 1290
NGC 1295
NGC 1296
NGC 1298
NGC 1301
NGC 1303
NGC 1305
NGC 1307
NGC 1314
NGC 1315
NGC 1319
NGC 1322
NGC 1323
NGC 1325A
NGC 1328
NGC 1329
NGC 1338
NGC 1345
NGC 1346
NGC 1347
NGC 1352
NGC 1355
NGC 1361
NGC 1363
NGC 1364
NGC 1368
NGC 1372
NGC 1383
NGC 1388
NGC 1390
NGC 1391
NGC 1394
NGC 1396
NGC 1402
NGC 1403
NGC 1405
NGC 1413
NGC 1414
NGC 1416
NGC 1419
NGC 1422
NGC 1423
NGC 1424
NGC 1427A
NGC 1434
NGC 1436
NGC 1437A
NGC 1437B
NGC 1438
NGC 1445
NGC 1446
NGC 1447
NGC 1449
NGC 1450
NGC 1451
NGC 1455
NGC 1460
NGC 1464
NGC 1467
NGC 1468
NGC 1470
NGC 1471
NGC 1472
NGC 1474
NGC 1477
NGC 1478
NGC 1481
NGC 1484
NGC 1486
NGC 1489
NGC 1492
NGC 1504
NGC 1505
NGC 1509
NGC 1516A
NGC 1516B
NGC 1519
NGC 1524
NGC 1525
NGC 1538
NGC 1540
NGC 1547
NGC 1561
NGC 1562
NGC 1563
NGC 1564
NGC 1565
NGC 1568
NGC 1575
NGC 1577
NGC 1580
NGC 1583
NGC 1584
NGC 1586
NGC 1591
NGC 1592
NGC 1594
NGC 1597
NGC 1599
NGC 1601
NGC 1603
NGC 1604
NGC 1606
NGC 1607
NGC 1612
NGC 1613
NGC 1614
NGC 1621
NGC 1622
NGC 1623
NGC 1626
NGC 1627
NGC 1628
NGC 1630
NGC 1631
NGC 1632
NGC 1645
NGC 1648
NGC 1650
NGC 1654
NGC 1656
NGC 1657
NGC 1666
NGC 1677
NGC 1681
NGC 1686
NGC 1689
NGC 1692
NGC 1694
NGC 1699
NGC 1720
NGC 1721
NGC 1723
NGC 1725
NGC 1728
NGC 1741 (Arp 259, Hickson 31)
NGC 1752
NGC 1797
NGC 1799
IC 1898
IC 399
IC 401
IC 1892 (Arp 332)
UGC 2812 (Arp 219)
UGC 3104 (Arp 61)
MCG-01-13-034 (Arp 180)
MCG-02-13-040A (Arp 187)
MCG-03-08-25 (Arp 131)
MCG-03-08-26 (Arp 131)
MCG-04-08-017 (Arp 108(1))
MCG-04-08-018 (Arp 108(2))
Arp 179
MBG 03449-1733

Clusters of Galaxies

Level 5

Eridanus Group of Galaxies (Eridanus ClG)
GHCG 37 (WBL 98)

---

Image Credits

• Eridanus: Johann Bode, Public Domain