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Celestial reference

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

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IC 4634 Planetary Nebula

Oph Mag 10.900 0.1′ 17h 01m 34s · -21° 49′ 33″

IC 4635 Galaxy

Aps Mag 14.870 1.6′ × 0.5′ 17h 15m 39s · -77° 29′ 22″

IC 4636 Star

Her 16h 59m 7s · +47° 11′ 44″

IC 4637 Planetary Nebula

Sco Mag 12.500 0.3′ 17h 05m 11s · -40° 53′ 11″

IC 4638 Galaxy

Her Mag 15.540 0.7′ × 0.5′ 17h 01m 14s · +33° 30′ 47″

IC 4639 Galaxy

Her Mag 15.990 0.6′ × 0.5′ 17h 02m 55s · +22° 55′ 48″

IC 4640 Galaxy

Aps Mag 14.780 1.3′ × 1.2′ 17h 23m 58s · -80° 03′ 51″

IC 4641 Galaxy

Aps Mag 14.360 1.2′ × 1.1′ 17h 24m 10s · -80° 08′ 51″

IC 4642 Planetary Nebula

Ara Mag 13.400 0.3′ 17h 11m 45s · -55° 23′ 56″

Her 17h 08m 33s · +42° 20′ 21″

IC 4644 Galaxy

Aps Mag 15.500 1.8′ × 0.5′ 17h 24m 37s · -73° 56′ 24″

IC 4645 Galaxy

Her Mag 15.850 0.6′ × 0.5′ 17h 14m 43s · +43° 06′ 15″

IC 4646 Galaxy

Ara Mag 12.330 2.8′ × 1.9′ 17h 23m 53s · -59° 59′ 58″

IC 4647 Galaxy

Aps Mag 14.470 1.6′ × 0.8′ 17h 26m 4s · -80° 11′ 42″

IC 4648 Double Star

Her 17h 16m 10s · +43° 51′ 45″

Dra 17h 15m 50s · +57° 22′ 1″

IC 4650 Galaxy

Dra Mag 15.840 0.6′ × 0.3′ 17h 15m 47s · +57° 18′ 7″

IC 4651 Open Cluster

Ara Mag 6.900 9.6′ 17h 24m 49s · -49° 56′ 18″

IC 4652 Galaxy

Ara Mag 14.210 1.1′ × 0.5′ 17h 26m 27s · -59° 43′ 42″

IC 4653 Galaxy

Ara Mag 12.550 1.6′ × 1.0′ 17h 27m 7s · -60° 52′ 46″

IC 4654 Galaxy

Aps Mag 13.150 2.0′ × 1.1′ 17h 37m 8s · -74° 22′ 53″

Ara 17h 34m 36s · -60° 43′ 17″

IC 4656 Galaxy

Ara Mag 13.750 2.7′ × 0.6′ 17h 37m 44s · -63° 43′ 47″

Oph 17h 32m 43s · -17° 31′ 29″

Ara 17h 36m 11s · -59° 35′ 6″

Oph 17h 34m 12s · -17° 55′ 41″

IC 4660 Galaxy

UMi Mag 14.230 1.3′ × 0.3′ 17h 21m 45s · +75° 50′ 55″

IC 4661 Galaxy

Aps Mag 13.480 1.6′ × 1.3′ 17h 51m 3s · -74° 01′ 57″

IC 4662 Galaxy

Pav Mag 11.100 2.1′ × 0.8′ 17h 47m 9s · -64° 38′ 30″

IC 4663 Planetary Nebula

Sco Mag 12.500 0.2′ 17h 45m 28s · -44° 54′ 17″

IC 4664 Galaxy

Pav Mag 12.930 1.7′ × 0.9′ 17h 48m 59s · -63° 15′ 16″

IC 4665 Open Cluster

Oph Mag 4.200 24.6′ 17h 46m 27s · +05° 38′ 55″

IC 4666 Star

Dra 17h 46m 2s · +55° 46′ 32″

Dra 17h 46m 19s · +55° 52′ 32″

IC 4668 Star

Dra 17h 46m 59s · +57° 24′ 2″

IC 4669 Galaxy

Dra Mag 15.090 0.6′ × 0.3′ 17h 47m 13s · +61° 26′ 3″

IC 4670 Planetary Nebula

Sgr Mag 13.280 0.1′ 17h 55m 7s · -21° 44′ 39″

Se2 17h 55m 8s · -10° 17′ 9″

IC 4672 Galaxy

Pav Mag 15.300 0.9′ × 0.5′ 18h 02m 15s · -62° 49′ 57″

IC 4673 Planetary Nebula

Sgr Mag 13.000 0.3′ 18h 03m 18s · -27° 06′ 22″

IC 4674 Galaxy

Pav Mag 14.930 1.6′ × 0.7′ 18h 08m 13s · -62° 23′ 44″

Oph 18h 03m 11s · -09° 15′ 34″

IC 4676 Galaxy

Oph Mag 15.590 0.6′ × 0.3′ 18h 02m 53s · +11° 49′ 23″

Dra 17h 58m 16s · +66° 38′ 0″

IC 4678 Nebula

Sgr Mag 10.400 18h 06m 33s · -23° 57′ 16″

IC 4679 Galaxy

Tel Mag 12.840 1.2′ × 0.4′ 18h 11m 24s · -56° 15′ 16″

IC 4680 Galaxy

Pav Mag 13.890 1.6′ × 0.5′ 18h 13m 30s · -64° 28′ 36″

IC 4681 Star

Sgr Mag 9.100 18h 08m 20s · -23° 25′ 55″