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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 6493 Galaxy

Dra Mag 15.440 1.1′ × 1.0′ 17h 50m 23s · +61° 33′ 34″

M23 Open Cluster

Sgr Mag 5.500 16.8′ 17h 57m 5s · -18° 59′ 7″

NGC 6495 Galaxy

Her Mag 13.860 1.4′ × 1.1′ 17h 54m 51s · +18° 19′ 37″

NGC 6496 Globular Cluster

Sco Mag 9.960 4.6′ 17h 59m 4s · -44° 15′ 59″

NGC 6497 Galaxy

Dra Mag 14.220 1.5′ × 0.7′ 17h 51m 18s · +59° 28′ 15″

Dra 17h 51m 18s · +59° 28′ 15″

NGC 6499 Double Star

Her 17h 55m 20s · +18° 21′ 35″

NGC 6500 Galaxy

Her Mag 12.540 2.1′ × 1.7′ 17h 56m 0s · +18° 20′ 18″

NGC 6501 Galaxy

Her Mag 13.110 1.7′ × 1.5′ 17h 56m 4s · +18° 22′ 23″

NGC 6502 Galaxy

Pav Mag 13.630 1.4′ × 1.2′ 18h 04m 14s · -65° 24′ 36″

NGC 6503 Galaxy

Dra Mag 10.120 5.9′ × 2.0′ 17h 49m 26s · +70° 08′ 40″

NGC 6504 Galaxy

Her Mag 13.300 1.9′ × 0.4′ 17h 56m 6s · +33° 12′ 30″

NGC 6505 Galaxy

Dra Mag 15.280 1.2′ × 0.8′ 17h 51m 7s · +65° 31′ 51″

NGC 6506 Open Cluster

Sgr 17h 59m 53s · -24° 41′ 7″

NGC 6507 Open Cluster

Sgr Mag 9.600 4.8′ 17h 59m 51s · -17° 27′ 1″

NGC 6508 Galaxy

Dra Mag 14.030 1.3′ × 1.1′ 17h 49m 46s · +72° 01′ 16″

NGC 6509 Galaxy

Oph Mag 13.320 1.5′ × 1.2′ 17h 59m 25s · +06° 17′ 13″

NGC 6510 Galaxy

Dra Mag 14.260 0.8′ × 0.5′ 17h 54m 39s · +60° 49′ 5″

Dra 17h 54m 39s · +60° 49′ 5″

NGC 6512 Galaxy

Dra Mag 14.740 0.8′ × 0.7′ 17h 54m 50s · +62° 38′ 42″

NGC 6513 Galaxy

Her Mag 14.640 1.1′ × 0.8′ 17h 59m 35s · +24° 52′ 50″

Sgr Mag 8.500 28.0′ × 28.0′ 18h 02m 42s · -22° 58′ 19″

NGC 6515 Galaxy

Dra Mag 14.250 1.5′ × 1.1′ 17h 57m 25s · +50° 43′ 41″

NGC 6516 Galaxy

Dra Mag 15.650 0.7′ × 0.3′ 17h 55m 17s · +62° 40′ 11″

NGC 6517 Globular Cluster

Oph Mag 11.080 4.8′ 18h 01m 50s · -08° 57′ 34″

NGC 6518 Galaxy

Her Mag 14.940 0.8′ × 0.6′ 17h 59m 44s · +28° 52′ 0″

NGC 6519 Double Star

Sgr 18h 03m 20s · -29° 48′ 15″

NGC 6520 Open Cluster

Sgr Mag 7.600 5.4′ 18h 03m 24s · -27° 53′ 10″

NGC 6521 Galaxy

Dra Mag 13.900 1.6′ × 1.0′ 17h 55m 48s · +62° 36′ 44″

NGC 6522 Globular Cluster

Sgr Mag 9.480 3.9′ 18h 03m 34s · -30° 02′ 2″

6533, M 8, NGC 6523

Sgr Mag 5.800 45.0′ × 30.0′ 18h 03m 41s · -24° 22′ 49″

NGC 6524 Galaxy

Her Mag 13.910 1.6′ × 1.0′ 17h 59m 15s · +45° 53′ 13″

NGC 6525 Open Cluster

Oph 5.4′ 18h 02m 5s · +11° 02′ 18″

NGC 6526 Nebula

Sgr 40.0′ × 40.0′ 18h 04m 6s · -24° 26′ 31″

NGC 6527 Galaxy

Her Mag 14.890 1.5′ × 1.1′ 18h 01m 46s · +19° 43′ 43″

NGC 6528 Globular Cluster

Sgr Mag 10.650 3.6′ 18h 04m 50s · -30° 03′ 21″

NGC 6529 Stellar Association

Sgr 18h 05m 29s · -36° 17′ 43″

NGC 6530 Cluster Nebula

Sgr Mag 4.600 6.0′ 18h 04m 31s · -24° 21′ 29″

M21 Open Cluster

Sgr Mag 5.900 6.0′ 18h 04m 13s · -22° 29′ 24″

NGC 6532 Galaxy

Dra Mag 14.910 1.7′ × 0.7′ 17h 59m 14s · +56° 13′ 54″

Sgr 18h 03m 41s · -24° 22′ 49″

NGC 6534 Galaxy

Dra Mag 15.420 0.9′ × 0.5′ 17h 56m 9s · +64° 17′ 1″

NGC 6535 Globular Cluster

Se2 Mag 9.850 3.6′ 18h 03m 51s · -00° 17′ 49″

NGC 6536 Galaxy

Dra Mag 14.240 1.1′ × 0.9′ 17h 57m 16s · +64° 56′ 17″

NGC 6537 Planetary Nebula

Sgr Mag 11.600 0.2′ 18h 05m 13s · -19° 50′ 35″

NGC 6538 Galaxy

Dra Mag 14.050 0.9′ × 0.5′ 17h 54m 17s · +73° 25′ 26″

NGC 6539 Globular Cluster

Se2 6.0′ 18h 04m 50s · -07° 35′ 9″

NGC 6540 Globular Cluster

Sgr 4.1′ 18h 06m 8s · -27° 45′ 46″