M101 (Galaxy)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 23 arcminutes across.

Show information for


From Fairfield , M101 will become visible at around 21:53 (EDT), 69° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 03:43 when it dips 21° above your north-western horizon.

Name M101
Object type Galaxy
Other names
The Pinwheel Galaxy
M101[1]
NGC 5457[2]
Arp 26[5]
UGC 8981[3]
PGC 50063[4]
Position
Right ascension:14h03m [4]
Declination:+54°20' [4]
Constellation:Ursa Major
Magnitude:7.90 (V) [5]
8.36 (B) [2]
6.52 (J) [2]
5.81 (H) [2]
5.51 (K) [2]
Hubble type:SABc
Distance:7.4 Mpc
24.0 Mlyr [1]
B-V Color (mag):0.46
Derived quantities
Absolute mag (V):-21.43
Events
22 Apr 2025  –  Messier 101 is well placed
23 Apr 2026  –  Messier 101 is well placed
23 Apr 2027  –  Messier 101 is well placed
22 Apr 2028  –  Messier 101 is well placed
22 Apr 2029  –  Messier 101 is well placed
23 Apr 2030  –  Messier 101 is well placed
23 Apr 2031  –  Messier 101 is well placed
22 Apr 2032  –  Messier 101 is well placed

Share