M 102 (NGC 5866)
M 102 (NGC 5866) is a galaxy in the constellation Draco, magnitude 9.9, 6.3′ × 2.7′ across.
Most likely the lenticular galaxy NGC 5866 (the Spindle), seen nearly edge-on with a dark dust lane along its length. Its identity is disputed: Méchain later called it a duplicate observation of M101.
When and where to see it
It is best placed in the evening sky around June, when it crosses the meridian at about 10 pm local time (around midnight in May). It can be seen from everywhere north of 34°S and never sets north of 34°N.
At its highest it stands 84° up from 50°N, 69° up from 35°N, 34° up from the equator, below the horizon from 35°S.
Facts
- Type
- Galaxy
- Constellation
- Draco
- Designations
- NGC 5866, Spindle Galaxy
- Magnitude
- 9.9
- Apparent size
- 6.3′ × 2.7′
- Position
- RA 15h 6.5m, Dec +55° 46′ (J2000)
Open AstroPilot to see when M 102 (NGC 5866) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.