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/2017 S3 (PANSTARRS) Comet

2017 S3, C/2017 S3 (PANSTARRS), PANSTARRS

C/2017 S6 (Catalina) Comet

2017 S6, C/2017 S6 (Catalina), Catalina

C/2017 S7 (Lemmon) Comet

2017 S7, C/2017 S7 (Lemmon), Lemmon

C/2017 T1 (Heinze) Comet

2017 T1, C/2017 T1 (Heinze), Heinze

C/2017 T2 (PANSTARRS) Comet

2017 T2, C/2017 T2 (PANSTARRS), PANSTARRS

C/2017 T3 (ATLAS) Comet

2017 T3, ATLAS, C/2017 T3 (ATLAS)

C/2017 U2 (Fuls) Comet

2017 U2, C/2017 U2 (Fuls), Fuls

C/2017 U4 (PANSTARRS) Comet

2017 U4, C/2017 U4 (PANSTARRS), PANSTARRS

C/2017 U5 (PANSTARRS) Comet

2017 U5, C/2017 U5 (PANSTARRS), PANSTARRS

C/2017 U7 (PANSTARRS) Comet

2017 U7, C/2017 U7 (PANSTARRS), PANSTARRS

C/2017 W2 (Leonard) Comet

2017 W2, C/2017 W2 (Leonard), Leonard

C/2017 X1 (PANSTARRS) Comet

2017 X1, C/2017 X1 (PANSTARRS), PANSTARRS

C/2017 Y1 (PANSTARRS) Comet

2017 Y1, C/2017 Y1 (PANSTARRS), PANSTARRS

C/2017 Y2 (PANSTARRS) Comet

2017 Y2, C/2017 Y2 (PANSTARRS), PANSTARRS

C/2018 A1 (PANSTARRS) Comet

2018 A1, C/2018 A1 (PANSTARRS), PANSTARRS

C/2018 A3 (ATLAS) Comet

2018 A3, ATLAS, C/2018 A3 (ATLAS)

C/2018 A4 (PANSTARRS) Comet

2018 A4, C/2018 A4 (PANSTARRS), PANSTARRS

C/2018 A6 (Gibbs) Comet

2018 A6, C/2018 A6 (Gibbs), Gibbs

C/2018 B1 (Lemmon) Comet

2018 B1, C/2018 B1 (Lemmon), Lemmon

C/2018 C2 (Lemmon) Comet

2018 C2, C/2018 C2 (Lemmon), Lemmon

C/2018 DO4 (Lemmon) Comet

2018 DO4, C/2018 DO4 (Lemmon), Lemmon

C/2018 E1 (ATLAS) Comet

2018 E1, ATLAS, C/2018 E1 (ATLAS)

C/2018 E2 (Barros) Comet

2018 E2, Barros, C/2018 E2 (Barros)

C/2018 EF9 (Lemmon) Comet

2018 EF9, C/2018 EF9 (Lemmon), Lemmon

C/2018 EN4 (NEOWISE) Comet

2018 EN4, C/2018 EN4 (NEOWISE), NEOWISE

C/2018 F1 (Grauer) Comet

2018 F1, C/2018 F1 (Grauer), Grauer

C/2018 F3 (Johnson) Comet

2018 F3, C/2018 F3 (Johnson), Johnson

C/2018 F4 (PANSTARRS) Comet

2018 F4, C/2018 F4 (PANSTARRS), PANSTARRS

C/2018 K1 (Weiland) Comet

2018 K1, C/2018 K1 (Weiland), Weiland

C/2018 KJ3 (Lemmon) Comet

2018 KJ3, C/2018 KJ3 (Lemmon), Lemmon

C/2018 L2 (ATLAS) Comet

2018 L2, ATLAS, C/2018 L2 (ATLAS)

C/2018 M1 (Catalina) Comet

2018 M1, C/2018 M1 (Catalina), Catalina

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

C/2018 N1 (NEOWISE) Comet

2018 N1, C/2018 N1 (NEOWISE), NEOWISE

C/2018 N2 (ASASSN) Comet

2018 N2, ASASSN, C/2018 N2 (ASASSN)

C/2018 O1 (ATLAS) Comet

2018 O1, ATLAS, C/2018 O1 (ATLAS)

C/2018 P5 (PANSTARRS) Comet

2018 P5, C/2018 P5 (PANSTARRS), PANSTARRS

C/2018 R3 (Lemmon) Comet

2018 R3, C/2018 R3 (Lemmon), Lemmon

C/2018 R4 (Fuls) Comet

2018 R4, C/2018 R4 (Fuls), Fuls

C/2018 R5 (Lemmon) Comet

2018 R5, C/2018 R5 (Lemmon), Lemmon

C/2018 S2 (TESS) Comet

2018 S2, C/2018 S2 (TESS), TESS

C/2018 S3 (TESS) Comet

2018 S3, C/2018 S3 (TESS), TESS

C/2018 U1 (Lemmon) Comet

2018 U1, C/2018 U1 (Lemmon), Lemmon

C/2018 V1 (Machholz-Fujikawa-Iwamoto) Comet

2018 V1, C/2018 V1 (Machholz-Fujikawa-Iwamoto), Machholz-Fujikawa-Iwamoto

C/2018 V2 (ATLAS) Comet

2018 V2, ATLAS, C/2018 V2 (ATLAS)

C/2018 V4 (Africano) Comet

2018 V4, Africano, C/2018 V4 (Africano)

C/2018 W1 (Catalina) Comet

2018 W1, C/2018 W1 (Catalina), Catalina

C/2018 W2 (Africano) Comet

2018 W2, Africano, C/2018 W2 (Africano)

C/2018 X2 (Fitzsimmons) Comet

2018 X2, C/2018 X2 (Fitzsimmons), Fitzsimmons