Open cluster · Taurus
M45 / Pleiades
M45
Image story
What to look for
The Pleiades open cluster with blue reflection nebulosity around the brightest stars.
Copyright David Musser. All rights reserved. Reference viewing only. Written permission is required for printing, publishing, selling, copying, or reuse. Read the full rights and licensing details.
Prints and licensing Sky map
Optional interactive
Move through the Seven Sisters
Explore the measured Gaia star field in three dimensions, with the registered Earth view and the full distance, color, and membership data available after you choose to load it.
The interactive scene stays unloaded until you activate it.
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
View acquisition record
- 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
Scale context
Recorded field of view
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.More in the field
