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Canis Minor

Genitive: Canis Minoris

Northern 183 sq° CMi

Brightest star: Procyon

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Mythology

The Lesser Dog, Orion's second hunting companion. Sometimes identified as Maera, the faithful dog of Icarius who led his daughter to her father's grave.

Observing Highlights

A small constellation dominated by Procyon, the eighth brightest star. Procyon forms the Winter Triangle with Sirius and Betelgeuse. Few deep-sky objects.

Main Stars

20
Procyon

HIP 37279; Alpha CMi; 10 CMi

0.38 mag 3.8″ B: 10.8 F5IV-V
Gomeisa

HIP 36188; Beta CMi; 3 CMi

2.90 mag B8Ve
Gamma CMi

HIP 36284; Gamma CMi; 4 CMi

4.32 mag K3-IIIFe-0.5
HIP 39311
4.39 mag 224.9″ B: 10.3 K2III
6 CMi

HIP 36425; 6 CMi

4.54 mag K1+IIIBa0.4
Epsilon CMi

HIP 36041; Epsilon CMi; 2 CMi

4.99 mag G6.5IIb
Zeta CMi

HIP 38373; Zeta CMi; 13 CMi

5.14 mag B8II
Eta CMi

HIP 36265; Eta CMi; 5 CMi

5.25 mag 4.3″ B: 11.1 F0III
Delta CMi

HIP 36641; Delta1 CMi; 7 CMi

5.25 mag F0III
14 CMi

HIP 38962; 14 CMi

5.29 mag 100.1″ B: 9.4 K0III
1 CMi

HIP 35987; 1 CMi

5.30 mag A5IV
11 CMi

HIP 37921; 11 CMi

5.30 mag A1Vnn
HIP 34987
5.35 mag 51.0″ B: 10.0 K2II
Delta CMi

HIP 36723; Delta2 CMi; 8 CMi

5.59 mag F2V
HIP 35005
5.62 mag G6III
HIP 39213
5.65 mag A1V
HIP 34387
5.75 mag gK0
Delta CMi

HIP 36812; Delta3 CMi; 9 CMi

5.81 mag 72.9″ B: 10.8 A0Vnn
HIP 35120
5.82 mag M4-IIIab
HIP 38712
5.86 mag F2IV

Double Stars

10
HIP 34987
5.35 mag 51.0″ B: 10.0 K2II
Procyon

HIP 37279; Alpha CMi; 10 CMi

0.38 mag 3.8″ B: 10.8 F5IV-V
14 CMi

HIP 38962; 14 CMi

5.29 mag 100.1″ B: 9.4 K0III
Eta CMi

HIP 36265; Eta CMi; 5 CMi

5.25 mag 4.3″ B: 11.1 F0III
HIP 39311
4.39 mag 224.9″ B: 10.3 K2III
Delta CMi

HIP 36812; Delta3 CMi; 9 CMi

5.81 mag 72.9″ B: 10.8 A0Vnn
HR 2950
6.02 mag 0.8″ B: 7.0 A0III
Gomeisa

HIP 36188; Beta CMi; 3 CMi

2.90 mag B8Ve
Gamma CMi

HIP 36284; Gamma CMi; 4 CMi

4.32 mag K3-IIIFe-0.5
HIP 39213
5.65 mag A1V

Deep Sky Objects

23
Galaxy (17)
NGC 2470
14.0 mag 2.2 Sab
NGC 2416
14.0 mag Sc
NGC 2485
13.0 mag Sa
NGC 2499
15.0 mag SABc
NGC 2504
14.0 mag SABc
NGC 2511
15.0 mag Sab
NGC 2538
14.0 mag SBa
NGC 2433
— mag
IC 494
14.0 mag 1.4
IC 498
15.0 mag 1.4
NGC 2350
14.0 mag S0-a
NGC 2510
14.0 mag S0
IC 2231
15.0 mag 2.0 E
NGC 2402
15.0 mag
NGC 2491
15.0 mag
NGC 2496
15.0 mag E
NGC 2508
14.0 mag E
Unknown (6)
NGC 2394
— mag
NGC 2412
— mag
NGC 2459
— mag
IC 2189
— mag
IC 473
— mag
IC 2216
— mag