The planetary nebula NGC 1514 ("Crystal Ball Nebula") in the
constellation Taurus on December 21 / 22, 2014. NGC 1514 is approximately 600 light-years from Earth and was discovered
by William Herschel in 1790 (source: Wikipedia).
Twenty-two 3 minute exposures at ISO 800 with no dark frame subtraction were stacked with Deep Sky Stacker (resulting in a 1h 6min exposure)
and further processed in Photoshop.
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Equipment: Canon EOS 450D Baader modified camera, TeleVue Paracorr Type II coma corrector,
16" f/4.5 "Ninja" dobsonian telescope 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).
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