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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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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

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