Delphinus constelation
Photo description / processing
- 1200 Frames, 2,5s exposure, ISO 252, black level 10
- 50 Darks, after session
- Siril: Calibration Lights - master Darks
- Perl script with astromio: Background reduction: 15 sigma for stars, 28x28 tiles with 2.5 sigma rejection for tiles with Milky Way, 2nd grade polynomial model
- manuall plate solving (x,y pixel to RA/DEC) for first frame
- Perl script with astromio: for elimination of barell distorsion of lens and the distorision of stars moving before fixed tripod
- Siril: Registration
- Siril: Stacking with rejection, additive
- Siril: Color calibration (Altair is white)
- Siril: Remove green noise
- Siril: Histogram transformation
Technical information
- Telescope/Lens
- Samyang 14mm f/2.8 Lens
- Camera
- SVBONY SV705C
- Mount
- Tripod
- Software
- SharpCam + Siril + Perl Scripts + Siril
- Location
- Liptovský Ján
- Date taken
Exposure
- 1200 × 2.5″ · ISO/Gain: 252 ·
Total exposure: 50 m
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