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Celestial reference

Objects

Canonical object pages connect reference data with your own observing history and the community’s astronomy records.

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NGC 644 Galaxy

Phe Mag 14.740 1.3′ × 0.7′ 01h 38m 53s · -42° 35′ 7″

NGC 645 Galaxy

Psc Mag 13.680 2.3′ × 0.7′ 01h 40m 9s · +05° 43′ 36″

NGC 646 Galaxy

Hyi Mag 14.370 1.5′ × 1.0′ 01h 37m 26s · -64° 53′ 47″

NGC 647 Galaxy

Cet Mag 14.320 1.3′ × 1.0′ 01h 39m 56s · -09° 14′ 33″

NGC 648 Galaxy

Cet Mag 14.690 1.1′ × 0.6′ 01h 38m 40s · -17° 49′ 52″

NGC 649 Galaxy

Cet Mag 15.350 1.1′ × 0.4′ 01h 40m 7s · -09° 16′ 20″

M76 Planetary Nebula

0651, M 76, NGC 650

Per Mag 10.100 1.1′ 01h 42m 20s · +51° 34′ 32″

Per 01h 42m 20s · +51° 34′ 32″

NGC 652 Galaxy

Psc Mag 14.960 0.9′ × 0.5′ 01h 40m 43s · +07° 58′ 59″

NGC 653 Galaxy

And Mag 14.060 1.5′ × 0.2′ 01h 42m 26s · +35° 38′ 18″

NGC 654 Open Cluster

Cas Mag 6.500 6.3′ 01h 43m 59s · +61° 52′ 58″

NGC 655 Galaxy

Cet Mag 14.740 1.1′ × 0.7′ 01h 41m 55s · -13° 04′ 54″

NGC 656 Galaxy

Psc Mag 13.460 1.3′ × 1.1′ 01h 42m 27s · +26° 08′ 35″

NGC 657 Open Cluster

Cas 3.0′ 01h 43m 21s · +55° 50′ 11″

NGC 658 Galaxy

Psc Mag 12.410 1.5′ × 0.9′ 01h 42m 10s · +12° 36′ 7″

NGC 659 Open Cluster

Cas Mag 7.900 4.2′ 01h 44m 23s · +60° 40′ 9″

NGC 660 Galaxy

Psc Mag 11.290 4.6′ × 1.7′ 01h 43m 2s · +13° 38′ 42″

NGC 661 Galaxy

Tri Mag 12.200 1.9′ × 1.4′ 01h 44m 15s · +28° 42′ 21″

NGC 662 Galaxy

And Mag 13.840 0.8′ × 0.6′ 01h 44m 35s · +37° 41′ 45″

NGC 663 Open Cluster

C 010, C 10, Caldwell 10, MWSC 0139, NGC 663

Cas Mag 7.100 6.0′ 01h 46m 16s · +61° 13′ 5″

NGC 664 Galaxy

Psc Mag 13.840 1.2′ × 0.9′ 01h 43m 46s · +04° 13′ 22″

NGC 665 Galaxy

Psc Mag 12.140 1.6′ × 1.0′ 01h 44m 56s · +10° 25′ 23″

NGC 666 Galaxy

Tri Mag 13.370 0.8′ × 0.5′ 01h 46m 6s · +34° 22′ 28″

NGC 667 Galaxy

Cet Mag 15.430 0.7′ × 0.6′ 01h 44m 57s · -22° 55′ 8″

NGC 668 Galaxy

And Mag 13.050 1.2′ × 0.8′ 01h 46m 23s · +36° 27′ 37″

NGC 669 Galaxy

Tri Mag 12.300 2.3′ × 0.6′ 01h 47m 16s · +35° 33′ 48″

NGC 670 Galaxy

Tri Mag 12.620 2.2′ × 0.7′ 01h 47m 25s · +27° 53′ 9″

NGC 671 Galaxy

Ari Mag 16.710 1.1′ × 0.4′ 01h 46m 59s · +13° 07′ 30″

NGC 672 Galaxy

Tri Mag 10.920 7.0′ × 2.7′ 01h 47m 55s · +27° 25′ 58″

NGC 673 Galaxy

Ari Mag 12.620 1.8′ × 1.3′ 01h 48m 22s · +11° 31′ 17″

NGC 674 Galaxy

Ari Mag 11.970 3.8′ × 1.3′ 01h 51m 18s · +22° 21′ 29″

NGC 675 Galaxy

Ari Mag 15.450 1.0′ × 0.4′ 01h 49m 9s · +13° 03′ 36″

NGC 676 Galaxy

Psc Mag 12.000 2.8′ × 0.7′ 01h 48m 57s · +05° 54′ 27″

NGC 677 Galaxy

Ari Mag 12.270 1.8′ × 1.8′ 01h 49m 14s · +13° 03′ 19″

NGC 678 Galaxy

Ari Mag 12.230 3.1′ × 0.8′ 01h 49m 25s · +21° 59′ 50″

NGC 679 Galaxy

And Mag 12.540 1.3′ × 1.0′ 01h 49m 44s · +35° 47′ 8″

NGC 680 Galaxy

Ari Mag 11.900 1.7′ × 1.6′ 01h 49m 47s · +21° 58′ 15″

NGC 681 Galaxy

Cet Mag 11.870 2.5′ × 1.8′ 01h 49m 11s · -10° 25′ 35″

NGC 682 Galaxy

Cet Mag 13.850 0.7′ × 0.3′ 01h 49m 5s · -14° 58′ 29″

NGC 683 Galaxy

Ari Mag 14.910 0.7′ × 0.6′ 01h 49m 47s · +11° 42′ 5″

NGC 684 Galaxy

Tri Mag 12.340 3.0′ × 0.8′ 01h 50m 14s · +27° 38′ 44″

NGC 685 Galaxy

Eri Mag 11.500 3.0′ × 2.3′ 01h 47m 43s · -52° 45′ 43″

NGC 686 Galaxy

For Mag 13.400 1.3′ × 1.1′ 01h 48m 56s · -23° 47′ 53″

NGC 687 Galaxy

And Mag 12.530 1.3′ × 1.2′ 01h 50m 33s · +36° 22′ 15″

NGC 688 Galaxy

Tri Mag 12.670 0.9′ × 0.4′ 01h 50m 44s · +35° 17′ 4″

NGC 689 Galaxy

For Mag 14.510 1.1′ × 0.7′ 01h 49m 52s · -27° 28′ 0″

NGC 690 Galaxy

Cet Mag 14.270 1.1′ × 0.7′ 01h 47m 48s · -16° 43′ 19″

NGC 691 Galaxy

Ari Mag 11.730 2.7′ × 1.9′ 01h 50m 42s · +21° 45′ 36″