NGC 4631 and NGC 4656, the "Whale" and the "Hockey Stick"
Photo description / processing
Finally, after 1.5 months, the sky cleared—and not just a milky haze, but a deep blue spring sky!
Color in the galaxies appeared right away.
Darks, flats, biases: 25 each.
Background correction with GraXpert—faster, easier, and better than PixInsight. I recommend it.
Technical information
- Telescope/Lens
- Sky-Watcher Quattro 8S
- Camera
- ToupTek IMX571
- Mount
- Sky-Watcher EQ6 Pro
- Guide Scope
- 50mm Finder Scope
- Guide Camera
- T7M
- Accessories
- Sharpstar 0.95x MPCC
- Software
- N.I.N.A., GraXpert, Pixinsight, Adobe Photoshop
- Location
- Екатеринбург, район озера Глухое., Россия
Light pollution
Orange, Bortle 6 zone
- Date taken
Exposure
- 90 × 120″ · ISO/Gain: 100 · OPTOLONG L-pro ·
Total exposure: 3 h 0 m
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