The face-on spiral galaxy Messier 74 (NGC 628) in the
constellation Pisces on October 18 / 19, 2014 and on October 13 / 14, 2018. The galaxy is approximately 32 million light years from Earth and was
discovered by Pierre Méchain in 1780. It contains about 100 billion stars (source: Wikipedia).
Fifty-seven 3 minute exposures at ISO 800 with no dark frame subtraction were stacked with Deep Sky Stacker (resulting in a 2 h 51 min 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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