Draco Trio (NGC 5981, NGC 5982, NGC 5985)
Photo description / processing
First light of the wonderful Askar SQA 106 mm f/4.8 apochromatic refractor. Shooting time was greatly reduced, the sky is conditionally dark even without the moon. NGC 5981 is a spiral galaxy seen edge-on, distance about 90 million light-years, diameter 70,000 light-years, apparent size 2.7'x0.3'. NGC 5982 is a large elliptical galaxy, distance about 130 million light-years, diameter 200,000 light-years, apparent size 3.0'x2.1'. NGC 5985 is a spiral galaxy seen face-on, distance about 125 million light-years, apparent size 5.4'x2.7'. The Draco Trio is not a definitively gravitationally bound group.
Technical information
- Telescope/Lens
- Askar SQA 106
- Camera
- ZWO ASI 183 MC Pro
- Mount
- Ioptron HAE 29 C
- Guide Scope
- Askar 52mm F4
- Guide Camera
- ZWO ASI 120 MM mini
- Software
- SharpCap 4.0, Siril, GraXpert, Adobe Photoshop
- Location
- Петушки, Владимирская область, Россия
Light pollution
Orange, Bortle 6 zone
- Date taken
Exposure
- 35 × 180″ · ISO/Gain: 120 · Фильтр IR CUT ·
Total exposure: 1 h 45 m









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