Your corner of the universe.

Celestial reference

Objects

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

Explore the sky before you joinObject reference pages are public. Sign in or create an account to save targets, record observations and receive visibility alerts.

Sign in Create account

C/2016 E1 (PANSTARRS) Comet

2016 E1, C/2016 E1 (PANSTARRS), PANSTARRS

C/2016 E2 (Kowalski) Comet

2016 E2, C/2016 E2 (Kowalski), Kowalski

C/2016 J2 (Denneau) Comet

2016 J2, C/2016 J2 (Denneau), Denneau

C/2016 K1 (LINEAR) Comet

2016 K1, C/2016 K1 (LINEAR), LINEAR

C/2016 KA (Catalina) Comet

2016 KA, C/2016 KA (Catalina), Catalina

C/2016 M1 (PANSTARRS) Comet

2016 M1, C/2016 M1 (PANSTARRS), PANSTARRS

Tau Mag 8.400 8.0′ × 4.0′ 05h 34m 32s · +22° 00′ 52″

C/2016 N4 (MASTER) Comet

2016 N4, C/2016 N4 (MASTER), MASTER

C/2016 N6 (PANSTARRS) Comet

2016 N6, C/2016 N6 (PANSTARRS), PANSTARRS

C/2016 P4 (PANSTARRS) Comet

2016 P4, C/2016 P4 (PANSTARRS), PANSTARRS

C/2016 Q2 (PANSTARRS) Comet

2016 Q2, C/2016 Q2 (PANSTARRS), PANSTARRS

C/2016 Q4 (Kowalski) Comet

2016 Q4, C/2016 Q4 (Kowalski), Kowalski

C/2016 R2 (PANSTARRS) Comet

2016 R2, C/2016 R2 (PANSTARRS), PANSTARRS

C/2016 R3 (Borisov) Comet

2016 R3, Borisov, C/2016 R3 (Borisov)

C/2016 S1 (PANSTARRS) Comet

2016 S1, C/2016 S1 (PANSTARRS), PANSTARRS

C/2016 T1 (Matheny) Comet

2016 T1, C/2016 T1 (Matheny), Matheny

C/2016 T2 (Matheny) Comet

2016 T2, C/2016 T2 (Matheny), Matheny

C/2016 T3 (PANSTARRS) Comet

2016 T3, C/2016 T3 (PANSTARRS), PANSTARRS

C/2016 U1 (NEOWISE) Comet

2016 U1, C/2016 U1 (NEOWISE), NEOWISE

C/2016 VZ18 (PANSTARRS) Comet

2016 VZ18, C/2016 VZ18 (PANSTARRS), PANSTARRS

C/2016 X1 (Lemmon) Comet

2016 X1, C/2016 X1 (Lemmon), Lemmon

C/2017 A1 (PANSTARRS) Comet

2017 A1, C/2017 A1 (PANSTARRS), PANSTARRS

C/2017 A3 (Elenin) Comet

2017 A3, C/2017 A3 (Elenin), Elenin

C/2017 AB5 (PANSTARRS) Comet

2017 AB5, C/2017 AB5 (PANSTARRS), PANSTARRS

C/2017 B3 (LINEAR) Comet

2017 B3, C/2017 B3 (LINEAR), LINEAR

C/2017 C1 (NEOWISE) Comet

2017 C1, C/2017 C1 (NEOWISE), NEOWISE

C/2017 C2 (PANSTARRS) Comet

2017 C2, C/2017 C2 (PANSTARRS), PANSTARRS

C/2017 D2 (Barros) Comet

2017 D2, Barros, C/2017 D2 (Barros)

C/2017 D3 (ATLAS) Comet

2017 D3, ATLAS, C/2017 D3 (ATLAS)

C/2017 D5 (PANSTARRS) Comet

2017 D5, C/2017 D5 (PANSTARRS), PANSTARRS

C/2017 E1 (Borisov) Comet

2017 E1, Borisov, C/2017 E1 (Borisov)

C/2017 E2 (Tsuchinshan) Comet

2017 E2, C/2017 E2 (Tsuchinshan), Tsuchinshan

C/2017 E3 (PANSTARRS) Comet

2017 E3, C/2017 E3 (PANSTARRS), PANSTARRS

C/2017 E4 (Lovejoy) Comet

2017 E4, C/2017 E4 (Lovejoy), Lovejoy

C/2017 E5 (Lemmon) Comet

2017 E5, C/2017 E5 (Lemmon), Lemmon

C/2017 F1 (Lemmon) Comet

2017 F1, C/2017 F1 (Lemmon), Lemmon

C/2017 F2 (PANSTARRS) Comet

2017 F2, C/2017 F2 (PANSTARRS), PANSTARRS

C/2017 G3 (PANSTARRS) Comet

2017 G3, C/2017 G3 (PANSTARRS), PANSTARRS

C/2017 K1 (PANSTARRS) Comet

2017 K1, C/2017 K1 (PANSTARRS), PANSTARRS

C/2017 K2 (PANSTARRS) Comet

2017 K2, C/2017 K2 (PANSTARRS), PANSTARRS

C/2017 K4 (ATLAS) Comet

2017 K4, ATLAS, C/2017 K4 (ATLAS)

C/2017 K5 (PANSTARRS) Comet

2017 K5, C/2017 K5 (PANSTARRS), PANSTARRS

C/2017 K6 (Jacques) Comet

2017 K6, C/2017 K6 (Jacques), Jacques

C/2017 M3 (PANSTARRS) Comet

2017 M3, C/2017 M3 (PANSTARRS), PANSTARRS

CVn Mag 6.390 16.2′ 13h 42m 11s · +28° 22′ 32″

C/2017 M4 (ATLAS) Comet

2017 M4, ATLAS, C/2017 M4 (ATLAS)

Sco Mag 5.400 28.2′ 16h 23m 35s · -26° 31′ 32″

C/2017 M5 (TOTAS) Comet

2017 M5, C/2017 M5 (TOTAS), TOTAS

Se1 Mag 5.950 15.0′ 15h 18m 34s · +02° 04′ 58″

C/2017 O1 (ASASSN) Comet

2017 O1, ASASSN, C/2017 O1 (ASASSN)

C/2017 P2 (PANSTARRS) Comet

2017 P2, C/2017 P2 (PANSTARRS), PANSTARRS

C/2017 S2 (PANSTARRS) Comet

2017 S2, C/2017 S2 (PANSTARRS), PANSTARRS