220P/McNaught
Photo description / processing
In my location, there is little time for capturing the comet and accumulating a decent amount of signal. First, I have to wait for it to rise above the wall of the pavilion where the telescope is located, and after that, only about an hour and a half remains until dawn. I didn't risk shooting RGB and limited myself to the L filter.
During processing, I stacked the stars and background galaxies separately, and the comet separately, since it moves quite actively relative to them.
Technical information
- Telescope/Lens
- Sky-Watcher 250PDS
- Camera
- ZWO ASI533MM Pro
- Mount
- Custom Harmonic-Drive Mount
- Guide Scope
- SVBONY 60/240
- Guide Camera
- Player One Ceres-462M
- Accessories
- Sharpstar 0.95x Coma Corrector, ToupTek AFW 8x1.25-inch Filter Wheel
- Software
- N.I.N.A., PHD2, Pixinsight, Fitswork, Adobe Photoshop
- Location
- Крым, Russia
Light pollution
Green, Bortle 4 zone
- Date taken
Exposure
- 44 × 120″ · ISO/Gain: 100 · L ·
Total exposure: 1 h 28 m









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