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Delphinus

Genitive: Delphini

Northern Autumn 189 sq° Del

Brightest star: Rotanev (mag 3.63)

RA 20h 40m 0.0s · Dec +13d 00' 0"

Small diamond with tail

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Delphinus - Mythology

Mythology

The Dolphin, placed in the sky by Poseidon in gratitude for helping him find and woo the sea nymph Amphitrite. Also associated with the rescue of the poet Arion.

Observing Highlights

A small but distinctive diamond-shaped constellation. Contains the globular cluster NGC 6934 and NGC 7006. Best seen in late summer.

When is Delphinus up?

Showing 50.0° N, 0.0° E. Save your location for a personalised chart.
12:0015:0018:0021:0000:0003:0006:0009:0012:00JanJan 00:00 — altitude -26°Jan 01:00 — altitude -27°Jan 02:00 — altitude -26°Jan 03:00 — altitude -22°Jan 04:00 — altitude -16°Jan 05:00 — altitude -8°Jan 06:00 — altitude 0° (twilight)Jan 07:00 — altitude 10° (twilight)Jan 08:00 — altitude 19° (daytime)Jan 09:00 — altitude 29° (daytime)Jan 10:00 — altitude 38° (daytime)Jan 11:00 — altitude 46° (daytime)Jan 12:00 — altitude 51° (daytime)Jan 13:00 — altitude 53° (daytime)Jan 14:00 — altitude 51° (daytime)Jan 15:00 — altitude 46° (daytime)Jan 16:00 — altitude 38° (daytime)Jan 17:00 — altitude 29° (daytime)Jan 18:00 — altitude 19° (twilight)Jan 19:00 — altitude 10°Jan 20:00 — altitude 0°Jan 21:00 — altitude -8°Jan 22:00 — altitude -16°Jan 23:00 — altitude -22°Jan: best around 19:00 localFebFeb 00:00 — altitude -26°Feb 01:00 — altitude -22°Feb 02:00 — altitude -16°Feb 03:00 — altitude -8°Feb 04:00 — altitude 1°Feb 05:00 — altitude 10°Feb 06:00 — altitude 20° (twilight)Feb 07:00 — altitude 29° (daytime)Feb 08:00 — altitude 38° (daytime)Feb 09:00 — altitude 46° (daytime)Feb 10:00 — altitude 51° (daytime)Feb 11:00 — altitude 53° (daytime)Feb 12:00 — altitude 51° (daytime)Feb 13:00 — altitude 45° (daytime)Feb 14:00 — altitude 38° (daytime)Feb 15:00 — altitude 29° (daytime)Feb 16:00 — altitude 19° (daytime)Feb 17:00 — altitude 9° (daytime)Feb 18:00 — altitude 0° (twilight)Feb 19:00 — altitude -9° (twilight)Feb 20:00 — altitude -16°Feb 21:00 — altitude -22°Feb 22:00 — altitude -26°Feb 23:00 — altitude -27°Feb: best around 05:00 localMarMar 00:00 — altitude -17°Mar 01:00 — altitude -9°Mar 02:00 — altitude -1°Mar 03:00 — altitude 8°Mar 04:00 — altitude 18°Mar 05:00 — altitude 28° (twilight)Mar 06:00 — altitude 37° (daytime)Mar 07:00 — altitude 45° (daytime)Mar 08:00 — altitude 50° (daytime)Mar 09:00 — altitude 53° (daytime)Mar 10:00 — altitude 51° (daytime)Mar 11:00 — altitude 46° (daytime)Mar 12:00 — altitude 39° (daytime)Mar 13:00 — altitude 30° (daytime)Mar 14:00 — altitude 21° (daytime)Mar 15:00 — altitude 11° (daytime)Mar 16:00 — altitude 2° (daytime)Mar 17:00 — altitude -7° (daytime)Mar 18:00 — altitude -15° (daytime)Mar 19:00 — altitude -21° (twilight)Mar 20:00 — altitude -25°Mar 21:00 — altitude -27°Mar 22:00 — altitude -26°Mar 23:00 — altitude -22°Mar: best around 04:00 localAprApr 00:00 — altitude -1°Apr 01:00 — altitude 9°Apr 02:00 — altitude 18°Apr 03:00 — altitude 28°Apr 04:00 — altitude 37° (twilight)Apr 05:00 — altitude 45° (daytime)Apr 06:00 — altitude 51° (daytime)Apr 07:00 — altitude 53° (daytime)Apr 08:00 — altitude 51° (daytime)Apr 09:00 — altitude 46° (daytime)Apr 10:00 — altitude 39° (daytime)Apr 11:00 — altitude 30° (daytime)Apr 12:00 — altitude 20° (daytime)Apr 13:00 — altitude 11° (daytime)Apr 14:00 — altitude 1° (daytime)Apr 15:00 — altitude -7° (daytime)Apr 16:00 — altitude -15° (daytime)Apr 17:00 — altitude -21° (daytime)Apr 18:00 — altitude -25° (daytime)Apr 19:00 — altitude -27° (daytime)Apr 20:00 — altitude -26° (twilight)Apr 21:00 — altitude -22°Apr 22:00 — altitude -16°Apr 23:00 — altitude -9°Apr: best around 03:00 localMayMay 00:00 — altitude 18°May 01:00 — altitude 28°May 02:00 — altitude 37° (twilight)May 03:00 — altitude 45° (twilight)May 04:00 — altitude 50° (daytime)May 05:00 — altitude 53° (daytime)May 06:00 — altitude 52° (daytime)May 07:00 — altitude 46° (daytime)May 08:00 — altitude 39° (daytime)May 09:00 — altitude 30° (daytime)May 10:00 — altitude 21° (daytime)May 11:00 — altitude 11° (daytime)May 12:00 — altitude 2° (daytime)May 13:00 — altitude -7° (daytime)May 14:00 — altitude -15° (daytime)May 15:00 — altitude -21° (daytime)May 16:00 — altitude -25° (daytime)May 17:00 — altitude -27° (daytime)May 18:00 — altitude -26° (daytime)May 19:00 — altitude -22° (daytime)May 20:00 — altitude -16° (daytime)May 21:00 — altitude -9° (twilight)May 22:00 — altitude -0° (twilight)May 23:00 — altitude 9°May: best around 01:00 localJunJun 00:00 — altitude 37° (twilight)Jun 01:00 — altitude 45° (twilight)Jun 02:00 — altitude 51° (twilight)Jun 03:00 — altitude 53° (twilight)Jun 04:00 — altitude 51° (daytime)Jun 05:00 — altitude 46° (daytime)Jun 06:00 — altitude 39° (daytime)Jun 07:00 — altitude 30° (daytime)Jun 08:00 — altitude 20° (daytime)Jun 09:00 — altitude 11° (daytime)Jun 10:00 — altitude 1° (daytime)Jun 11:00 — altitude -7° (daytime)Jun 12:00 — altitude -15° (daytime)Jun 13:00 — altitude -21° (daytime)Jun 14:00 — altitude -25° (daytime)Jun 15:00 — altitude -27° (daytime)Jun 16:00 — altitude -26° (daytime)Jun 17:00 — altitude -22° (daytime)Jun 18:00 — altitude -16° (daytime)Jun 19:00 — altitude -9° (daytime)Jun 20:00 — altitude 0° (daytime)Jun 21:00 — altitude 9° (twilight)Jun 22:00 — altitude 19° (twilight)Jun 23:00 — altitude 29° (twilight)JulJul 00:00 — altitude 50°Jul 01:00 — altitude 53° (twilight)Jul 02:00 — altitude 52° (twilight)Jul 03:00 — altitude 47° (twilight)Jul 04:00 — altitude 39° (daytime)Jul 05:00 — altitude 30° (daytime)Jul 06:00 — altitude 21° (daytime)Jul 07:00 — altitude 11° (daytime)Jul 08:00 — altitude 2° (daytime)Jul 09:00 — altitude -7° (daytime)Jul 10:00 — altitude -15° (daytime)Jul 11:00 — altitude -21° (daytime)Jul 12:00 — altitude -25° (daytime)Jul 13:00 — altitude -27° (daytime)Jul 14:00 — altitude -26° (daytime)Jul 15:00 — altitude -22° (daytime)Jul 16:00 — altitude -16° (daytime)Jul 17:00 — altitude -9° (daytime)Jul 18:00 — altitude -0° (daytime)Jul 19:00 — altitude 9° (daytime)Jul 20:00 — altitude 19° (daytime)Jul 21:00 — altitude 28° (twilight)Jul 22:00 — altitude 37° (twilight)Jul 23:00 — altitude 45° (twilight)Jul: best around 00:00 localAugAug 00:00 — altitude 51°Aug 01:00 — altitude 46°Aug 02:00 — altitude 39°Aug 03:00 — altitude 30° (twilight)Aug 04:00 — altitude 20° (twilight)Aug 05:00 — altitude 11° (daytime)Aug 06:00 — altitude 1° (daytime)Aug 07:00 — altitude -7° (daytime)Aug 08:00 — altitude -15° (daytime)Aug 09:00 — altitude -21° (daytime)Aug 10:00 — altitude -25° (daytime)Aug 11:00 — altitude -27° (daytime)Aug 12:00 — altitude -26° (daytime)Aug 13:00 — altitude -22° (daytime)Aug 14:00 — altitude -16° (daytime)Aug 15:00 — altitude -9° (daytime)Aug 16:00 — altitude 0° (daytime)Aug 17:00 — altitude 9° (daytime)Aug 18:00 — altitude 19° (daytime)Aug 19:00 — altitude 29° (daytime)Aug 20:00 — altitude 38° (twilight)Aug 21:00 — altitude 45° (twilight)Aug 22:00 — altitude 51°Aug 23:00 — altitude 53°Aug: best around 23:00 localSepSep 00:00 — altitude 39°Sep 01:00 — altitude 30°Sep 02:00 — altitude 20°Sep 03:00 — altitude 10°Sep 04:00 — altitude 1° (twilight)Sep 05:00 — altitude -8° (twilight)Sep 06:00 — altitude -15° (daytime)Sep 07:00 — altitude -21° (daytime)Sep 08:00 — altitude -26° (daytime)Sep 09:00 — altitude -27° (daytime)Sep 10:00 — altitude -26° (daytime)Sep 11:00 — altitude -22° (daytime)Sep 12:00 — altitude -16° (daytime)Sep 13:00 — altitude -8° (daytime)Sep 14:00 — altitude 0° (daytime)Sep 15:00 — altitude 10° (daytime)Sep 16:00 — altitude 19° (daytime)Sep 17:00 — altitude 29° (daytime)Sep 18:00 — altitude 38° (daytime)Sep 19:00 — altitude 46° (twilight)Sep 20:00 — altitude 51° (twilight)Sep 21:00 — altitude 53°Sep 22:00 — altitude 51°Sep 23:00 — altitude 46°Sep: best around 21:00 localOctOct 00:00 — altitude 20°Oct 01:00 — altitude 11°Oct 02:00 — altitude 1°Oct 03:00 — altitude -7°Oct 04:00 — altitude -15°Oct 05:00 — altitude -21° (twilight)Oct 06:00 — altitude -25° (daytime)Oct 07:00 — altitude -27° (daytime)Oct 08:00 — altitude -26° (daytime)Oct 09:00 — altitude -22° (daytime)Oct 10:00 — altitude -16° (daytime)Oct 11:00 — altitude -9° (daytime)Oct 12:00 — altitude 0° (daytime)Oct 13:00 — altitude 9° (daytime)Oct 14:00 — altitude 19° (daytime)Oct 15:00 — altitude 29° (daytime)Oct 16:00 — altitude 38° (daytime)Oct 17:00 — altitude 45° (daytime)Oct 18:00 — altitude 51° (twilight)Oct 19:00 — altitude 53°Oct 20:00 — altitude 51°Oct 21:00 — altitude 46°Oct 22:00 — altitude 38°Oct 23:00 — altitude 29°Oct: best around 19:00 localNovNov 00:00 — altitude 1°Nov 01:00 — altitude -8°Nov 02:00 — altitude -15°Nov 03:00 — altitude -21°Nov 04:00 — altitude -25°Nov 05:00 — altitude -27°Nov 06:00 — altitude -26° (twilight)Nov 07:00 — altitude -22° (daytime)Nov 08:00 — altitude -16° (daytime)Nov 09:00 — altitude -8° (daytime)Nov 10:00 — altitude 0° (daytime)Nov 11:00 — altitude 10° (daytime)Nov 12:00 — altitude 19° (daytime)Nov 13:00 — altitude 29° (daytime)Nov 14:00 — altitude 38° (daytime)Nov 15:00 — altitude 45° (daytime)Nov 16:00 — altitude 51° (daytime)Nov 17:00 — altitude 53° (twilight)Nov 18:00 — altitude 51° (twilight)Nov 19:00 — altitude 46°Nov 20:00 — altitude 38°Nov 21:00 — altitude 29°Nov 22:00 — altitude 20°Nov 23:00 — altitude 10°Nov: best around 19:00 localDecDec 00:00 — altitude -15°Dec 01:00 — altitude -21°Dec 02:00 — altitude -25°Dec 03:00 — altitude -27°Dec 04:00 — altitude -26°Dec 05:00 — altitude -22°Dec 06:00 — altitude -16° (twilight)Dec 07:00 — altitude -9° (twilight)Dec 08:00 — altitude -0° (daytime)Dec 09:00 — altitude 9° (daytime)Dec 10:00 — altitude 19° (daytime)Dec 11:00 — altitude 28° (daytime)Dec 12:00 — altitude 37° (daytime)Dec 13:00 — altitude 45° (daytime)Dec 14:00 — altitude 51° (daytime)Dec 15:00 — altitude 53° (daytime)Dec 16:00 — altitude 51° (daytime)Dec 17:00 — altitude 46° (twilight)Dec 18:00 — altitude 38°Dec 19:00 — altitude 29°Dec 20:00 — altitude 20°Dec 21:00 — altitude 10°Dec 22:00 — altitude 1°Dec 23:00 — altitude -8°Dec: best around 18:00 local
below horizon astronomical dark — low to high altitude twilight daytime (sun up) best night-time hour

Right now

Daytime
28°
WSW (az 256°)
setting

Upcoming (local)

Rise 23:02
Transit 06:04 53°
Set 13:12

Across the year

Best month September
Peak altitude 53°
Circumpolar here no
Dark-sky hours / year 1339

Neighboring Constellations

Aquila Sagitta Equuleus Pegasus

Showpieces in Delphinus

4
Gamma Del

HIP 102531; Gamma1 Del; 12 Del

5.14 mag 9.8″ B: 5.0 F7V Easy
Gamma Del

HIP 102532; Gamma2 Del; 12 Del

4.27 mag 8.8″ B: 5.0 K1IV Easy
HIP 101235
7.11 mag 17.8″ B: 7.4 B8V Easy
EU Del

HIP 101810

6.25 mag 5.41 - 6.72 SRB M6III Easy

Main Stars in Delphinus

20
Rotanev

HIP 101769; Beta Del; 6 Del

3.63 mag 0.5″ B: 5.0 F5IV Very Hard
Sualocin

HIP 101958; Alpha Del; 9 Del

3.77 mag B9IV Easy
Aldulfin

HIP 101421; Epsilon Del; 2 Del

4.03 mag B6III Easy
Gamma Del

HIP 102532; Gamma2 Del; 12 Del

4.27 mag 8.8″ B: 5.0 K1IV Easy
Delta Del

HIP 102281; Delta Del; 11 Del

4.43 mag A7IIIpDel Del Easy
Zeta Del

HIP 101589; Zeta Del; 4 Del

4.68 mag A3V Easy
Kappa Del

HIP 101916; Kappa Del; 7 Del

5.05 mag 214.6″ B: 8.6 G2IV Easy
Gamma Del

HIP 102531; Gamma1 Del; 12 Del

5.14 mag 9.8″ B: 5.0 F7V Easy
17 Del

HIP 103294; 17 Del

5.17 mag K0III Easy
Eta Del

HIP 101483; Eta Del; 3 Del

5.38 mag A3IV s Easy
Iota Del

HIP 101800; Iota Del; 5 Del

5.43 mag A2V Easy
Musica

HIP 103527; 18 Del

5.48 mag 197.5″ B: 9.9 gG6 Medium
13 Del

HIP 102633; 13 Del

5.58 mag 1.5″ B: 8.2 A0V Very Hard
16 Del

HIP 103298; 16 Del

5.58 mag 34.4″ B: 11.8 A4V Very Hard
HIP 103675
5.65 mag 49.3″ B: 10.0 M3IIIab Medium
Theta Del

HIP 101882; Theta Del; 8 Del

5.72 mag K3Ib Easy
HIP 100256
5.95 mag A5-F2m Easy
HIP 101909
5.97 mag 39.9″ B: 11.3 B3V Hard
15 Del

HIP 102805; 15 Del

5.98 mag 105.5″ B: 11.1 F5V Hard
10 Del

HIP 102080; 10 Del

5.99 mag gK4 Easy

Double Stars in Delphinus

15
Gamma Del

HIP 102531; Gamma1 Del; 12 Del

5.14 mag 9.8″ B: 5.0 F7V Easy
Gamma Del

HIP 102532; Gamma2 Del; 12 Del

4.27 mag 8.8″ B: 5.0 K1IV Easy
HIP 101235
7.11 mag 17.8″ B: 7.4 B8V Easy
HIP 103301
6.05 mag 2.0″ B: 7.5 G6III-IV Hard
HIP 103675
5.65 mag 49.3″ B: 10.0 M3IIIab Medium
16 Del

HIP 103298; 16 Del

5.58 mag 34.4″ B: 11.8 A4V Very Hard
Musica

HIP 103527; 18 Del

5.48 mag 197.5″ B: 9.9 gG6 Medium
HIP 102833
6.21 mag 78.2″ B: 9.2 K0 Medium
HIP 103635
6.66 mag 70.9″ B: 9.2 F4III Medium
HIP 101909
5.97 mag 39.9″ B: 11.3 B3V Hard
HIP 101213
6.18 mag 5.7″ B: 12.0 A1m Very Hard
HIP 102040
6.45 mag 69.4″ B: 11.9 G5V Very Hard
HIP 101966
6.42 mag 182.2″ B: 10.6 F8IV: Hard
Kappa Del

HIP 101916; Kappa Del; 7 Del

5.05 mag 214.6″ B: 8.6 G2IV Easy
15 Del

HIP 102805; 15 Del

5.98 mag 105.5″ B: 11.1 F5V Hard

Variable Stars in Delphinus

2
EU Del

HIP 101810

6.25 mag 5.41 - 6.72 SRB M6III Easy
U Del

HIP 102440

6.38 mag 6.14 - 7.61 SRB M5II-III Easy

Deep Sky Objects in Delphinus

8
Globular Cluster (2)
Caldwell 47 survey image
Caldwell 47

NGC 6934

8.9 mag 6 Medium
Caldwell 42 survey image
Caldwell 42

NGC 7006

10.6 mag 3 Hard
Galaxy (6)
IC 1320 survey image
IC 1320
14.0 mag 1.0 SBb Very Hard
NGC 6927 survey image
NGC 6927
14.5 mag 0.6 S0 Very Hard
NGC 6954 survey image
NGC 6954
13.2 mag 1.1 S0-a Very Hard
NGC 6972 survey image
NGC 6972
14.0 mag 1.4 S0-a Very Hard
NGC 6944 survey image
NGC 6944
13.3 mag 1.7 E-S0 Very Hard
NGC 6988 survey image
NGC 6988
15.0 mag E Very Hard