Galaxy · Ursa Major
M101 — The Pinwheel Galaxy
My view of M101, a large, face-on spiral galaxy approximately 21 million light-years away in Ursa Major—the constellation commonly known as the Big Dipper. It is roughly twice the size of the Milky Way and is estimated to contain about a trillion stars.
- Exposure
- 130 × 10 minutes
- Total integration
- 21 hours, 40 minutes
- Telescope
- Explore Scientific FCD100 127mm Triplet Refractor
- Reducer
- 0.7× focal reducer
- Mount
- Sky-Watcher EQ6-R Pro
- Camera
- ZWO ASI533MC Pro
- Filters
- None
- Processing
- PixInsight
