Circumpolar stars are visible all the time, though their orientation changes. From Ann Arbor, circumpolar stars are all the stars with a declination of 42.3º N or greater. Coordinates are epoch 2000.
Constellations | Name | Description | Magnitude | RA | dec |
Ursa Minor | Polaris | pole star; 47th brightest star | 1.96 | 2h 31m 50.5s | 89º 15' 50" |
Ursa Major | Alcor & Mizar | apparent double: Alchor is spectroscopic binary, Mizar a visual binary. Mizar is 70th brightest star | 2.21 | 13h 23m 55.6s | 54º 55' 31" |
Cepheus | elephant trunk | open cluster with diffuse nebulosity - good binoc obj. but nebula needs long exposure to see | 3.5 | 21h 39m 6s | 57º 30' 0" |
Draco | Thuban | former pole star | 3.65 | 14h 4m 23.2s | 64º 22' 33" |
Cepheus | delta | THE cepheid variable | 4.06 | 22h 29m 10.2s | 58º 24' 54" |
Cassiopia | Kappa | next to Tycho's supernova, now vanished | 4.15 | 0h 32m 60.0s | 62º 55' 54" |
Cepheus | ngc 7160 | open cluster | 6.1 | 21h 53m 40.2s | 62º 36' 12" |
Cassiopia | RZ | eclipsing binary 7.72 min mag, 1.9 day period | 6.18 | 2h 44m | 69º 26' |
Cassiopia | NGC 457 | open cluster | 6.4 | 1h 19m 31.8s | 58º 17' 11" |
Cassiopia | NGC 7789 | open cluster | 6.7 | 23h 57m 8.4s | 56º 44' 24" |
Ursa Major | M81 (Bode's) | spiral galaxy | 6.8 | 9h 55m 27s | 69º 4' 21" |
Camelopardalis | ngc 1502 | open cluster | 6.9 | 4h 7m 49.2s | 62º 19' 54" |
Cassiopia | M103 | open cluster | 7 | 1h 33m 27.9s | 60º 39' 23" |
Cassiopia | M52 (scorpion) | open cluster | 8 | 23h 24m 41.2s | 61º 34' 45" |
Ursa Major | M82 (cigar or dove) | irregular type II galaxy | 8.4 | 9h 55m 51.8s | 69º 40' 36" |
Ursa Major | M101 (pinwheel galaxy) | spiral galaxy | 8.5 | 14h 3m 11.8s | 54º 20' 25" |
Camelopardalis | ngc 2403 | spiral galaxy | 8.9 | 7h 36m 50.6 | 65º 36' 04" |
Ursa Major | M40 | double star | 9 | 12h 22m 16.4s | 58º 4' 59" |
Lynx | ngc 2419 (intergalactic wanderer) | globular cluster - most distant in galaxy @ 300 kly and 1.5x farther thn LMC | 10.4 | 7h 38m 8.5s | 38º 52' 54" |