Proudy's Astrophotography with the GSTAR CCD Camera
unguided video astrophotography

NGC1566 Barred Spiral Galaxy
Constellation: Dorado (The Goldfish), Equatorial 2000: RA: 04h 20m 01s Dec: -54°56'14"
Distance: 60 million light years, Visual Magnitude: 9.4, Surface Brightness 13.6, Size: 8.2 x 6.5 arc mins
Transits at the end of twilight at 9:02pm 15th January, Elevation 67 degrees, due South


- click here to see an original unprocessed frame

- Imaged on 20100104
- 10" F/4.7 Newtonian Reflector
- 450 video frames with no IR/UV filter at x128 integration
- Bahtinov focusing mask
- rough polar alignment, no moon, good seeing, elevation about 50 degrees
- aligned and stacked in Registax 5.0
- sharpened using Lucy Richardson deconvolution in Astra Image 3.0 SI (curve width 1.0, 3 iterations)
- processed in Photoshop 7.0 (levels streched then unsharp masked with the original)