|The spiral galaxy NGC 5907 (Knife Edge Galaxy, Splinter Galaxy) in the constellation
Draco on June 1, 2019 and on June 26/27, 2019. The edge-on galaxy NGC 5907 is approximately 40 million light years from earth, measures 150'000 light-years in
diameter and was discovered by the German-British astronomer William Herschel in 1788 (source: Wikipedia).
Fourty-six exposures of approximately 3 minutes at ISO 800 were added for this shot with the DeepSkyStacker software
and the final image processing was done in Photoshop. The total exposure time is 2 hours 18 minutes.
|Equipment: Canon EOS 450Da camera, TeleVue ParaCorr Type II coma corrector, 16" f/4.5
dobsonian telescope "Ninja" riding on a dual-axis Tom Osypowski equatorial platform,
Lacerta MGEN autoguider, Lacerta off axis system (field of view comparison:
image of the moon with the same equipment).