Open cluster · Taurus
M45 / Pleiades
M45
The Pleiades open cluster with blue reflection nebulosity around the brightest stars.
- Type
- Open cluster
- Catalog
- M45
- Region
- Taurus
- Captured
- November 21, 2025
- Image size
- 4800 x 3600
- RA
- 56.8409°
- Dec
- 24.5496°
- FOV
- 3.4475 x 2.5844°
- Rotation
- 51.4°
- Optics
- William Optics RedCat 61
- Camera
- ZWO ASI2600MC Pro
- Mount
- ZWO AM5
- Filters
- None
- Sub-exposures
- 257 x 120s / 100 x 3s / 2150 x 30s
- Integration
- 26h 34m
- Sky
- Florida Bortle 6
- Software
- PixInsight
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What to look for
The Pleiades open cluster with blue reflection nebulosity around the brightest stars.
Context source: Gallery acquisition record; fields not recorded are omitted.Capture recipe
How this frame was made
William Optics RedCat 61 · ZWO ASI2600MC Pro · ZWO AM5 · Filters: None · 257 x 120s / 100 x 3s / 2150 x 30s subs · 26h 34m integration
See the full acquisition factsCosmic passport
M45 / Pleiades
Apparent scale
The recorded frame is about 6.9 full-Moon widths across its long edge.
Calculation note: recorded FOV ÷ 0.5° apparent full-Moon diameter. This describes the captured field, not the physical size or distance of the object.