Menu

Cancer

Cancri

Northern 506 sq° Cnc

Étoile la plus brillante : Tarf

Mythologie

Le Crabe envoyé par Héra pour distraire Héraclès lors de son combat contre l'Hydre. Bien qu'Héraclès l'ait écrasé, Héra le plaça dans le ciel en récompense de son service.

Points Forts de l'Observation

Abrite l'amas de la Crèche (M44, Praesepe), l'un des plus beaux amas ouverts aux jumelles, et M67, l'un des plus vieux amas ouverts connus. Constellation zodiacale visible au mieux au printemps.

Étoiles Principales

20

Tarf

HIP 40526; Beta Cnc; 17 Cnc

3.52 mag 29.4″ B: 14.3 K4III Ba0.5:

Asellus Australis

HIP 42911; Delta Cnc; 47 Cnc

3.94 mag 40.9″ B: 12.2 G9III

Iota Cnc

HIP 43103; Iota Cnc; 48 Cnc

4.02 mag 30.6″ B: 6.0 G7.5IIIaBa0.1

Acubens

HIP 44066; Alpha Cnc; 65 Cnc

4.25 mag 10.3″ B: 11.8 A5m

Asellus Borealis

HIP 42806; Gamma Cnc; 43 Cnc

4.66 mag 115.9″ B: 10.2 A1IV

HIP 39567; 8 Cnc

5.12 mag A1V
5.13 mag 29.2″ B: 10.2 G7II-IIIFe-1

HIP 40843; Chi Cnc; 18 Cnc

5.14 mag F6V

Nahn

HIP 44946; Xi Cnc; 77 Cnc

5.14 mag 0.2″ B: 6.2 G9IIIFe-1CH-0.5

HIP 43970; 62 Cnc

5.20 mag 975.6″ B: 5.7 A5III

Sigma Cnc

HIP 44154; Sigma3 Cnc; 64 Cnc

5.20 mag 90.3″ B: 9.0 G8III

Rho Cnc

HIP 43834; Rho2 Cnc; 58 Cnc

5.22 mag G8II-III

HIP 44798; Kappa Cnc; 76 Cnc

5.24 mag 0.1″ B: 8.8 B8IIIpMn

Mu Cnc

HIP 39780; Mu Cnc; 10 Cnc

5.30 mag G1IVb

HIP 41909; Eta Cnc; 33 Cnc

5.33 mag 164.2″ B: 20.0 K3III

Pi Cnc

HIP 45410; Pi Cnc; 82 Cnc

5.34 mag K1III

HIP 41822; Theta Cnc; 31 Cnc

5.35 mag 74.5″ B: 11.8 K5III

HIP 43721; 57 Cnc

5.39 mag 1.5″ B: 6.4 G7III

HIP 43851; 60 Cnc

5.41 mag gK5

HIP 44818; Tau Cnc; 72 Cnc

5.43 mag G8III

Étoiles Doubles

15

Iota Cnc

HIP 43103; Iota Cnc; 48 Cnc

4.02 mag 30.6″ B: 6.0 G7.5IIIaBa0.1
5.99 mag 10.1″ B: 7.2 F8V
6.40 mag 7.5″ B: 7.1 F4V

Phi Cnc

HIP 41404; Phi2 Cnc; 23 Cnc

6.30 mag 5.2″ B: 6.2 A3V

HIP 41389; 24 Cnc

7.02 mag 5.7″ B: 7.5 F0III

HIP 44307; 66 Cnc

5.82 mag 4.5″ B: 8.6 A2V

HIP 42516; 39 Cnc

6.39 mag 151.8″ B: 6.6 G8III

Tarf

HIP 40526; Beta Cnc; 17 Cnc

3.52 mag 29.4″ B: 14.3 K4III Ba0.5:
6.21 mag 3.5″ B: 7.4 A0V
6.44 mag 20.7″ B: 10.4 G9III

Asellus Australis

HIP 42911; Delta Cnc; 47 Cnc

3.94 mag 40.9″ B: 12.2 G9III

Omega Cnc

HIP 39263; Omega2 Cnc; 4 Cnc

6.31 mag 44.9″ B: 11.0 A1V
5.13 mag 29.2″ B: 10.2 G7II-IIIFe-1

Acubens

HIP 44066; Alpha Cnc; 65 Cnc

4.25 mag 10.3″ B: 11.8 A5m

Sigma Cnc

HIP 44154; Sigma3 Cnc; 64 Cnc

5.20 mag 90.3″ B: 9.0 G8III

Étoiles Variables

8

HIP 45058

5.95 mag M6IIIase

HIP 40534

7.13 mag M7IIIe

HIP 43811

6.64 mag 5.69 - 6.94 SRB C6II

HIP 41400; 27 Cnc

5.50 mag 5.41 - 5.75 SRB M3III

HIP 40240; 15 Cnc

5.64 mag 5.53 - 5.65 ACV B9pSiCr

HIP 42917; 49 Cnc

5.66 mag 5.58 - 5.71 ACV A1pEuCr

HIP 44405; Nu Cnc; 69 Cnc

5.45 mag A0pSi

HIP 43905

7.60 mag 7.6 - 10.5 SRB C

Objets du Ciel Profond

30
Amas Ouvert (2)

NGC 2632

3.7 mag 95.

NGC 2682

6.1 mag 30.
Galaxie (28)

NGC 2775

10.3 mag 5 Sab
12.6 mag 3.0 SBc
12.0 mag 2.3 SABc
14.0 mag 3.1 Sc
13.0 mag 3.6 Sa
14.1 mag 0.9 Sc
13.8 mag 0.6 Sb
14.0 mag 1.4 Sc
14.0 mag 1.7 SBb
12.4 mag 2.2 Sab
14.0 mag 1.3 Sb
13.7 mag 1.3 SBa
13.0 mag 2.4 Sa
12.1 mag 2.5 Sb
14.0 mag 1.2 SABb
14.0 mag 1.0 Sb
— mag 0.4 SBcd
14.0 mag 1.9 Sbc
14.0 mag 2.5 Sc
15.0 mag 2.0 SBb
— mag 1.4 SABa
— mag 1.2 Sc
— mag 2.6 Sc
— mag SBc
14.0 mag 0.6 Sc
15.0 mag 0.4 Sa
15.0 mag 0.3 SABc
16.0 mag 0.3 Sab