NGC 6960 - The "Witch's Broom" Nebula
Photo description / processing
First test series with the HyperStar. Checked collimation, the ability to shoot with the L-eNhance filter, and overall work with the prime-focus astrograph.
The HyperStar in the zero position required almost no additional collimation; minor tracking errors were later corrected with the BXT plugin in PixInsight.
The filter showed that it works poorly with the narrow hydrogen band; specialized narrowband filters are needed.
Flats could not be taken, and shooting in the city under a full Moon resulted in gradients and vignetting that could not be fully removed during processing.
Overall, I am satisfied with the first test, and we will continue further.
Technical information
- Telescope/Lens
- Celestron C9.25
- Camera
- Canon EOS 650D (astro-modified)
- Mount
- Sky-Watcher HEQ5 Pro
- Accessories
- Starizona HyperStar V3
- Software
- Pixinsight, Adobe Photoshop
- Location
- Новосибирск, Россия
Light pollution
White, Bortle 8/9 zone
- Date taken
Exposure
- 132 × 15″ · ISO/Gain: 3200 · L-eNhance ·
Total exposure: 33 m









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