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M106 Galaxy in Canes Venatici (14 April 2021)

M106 Galaxy in Canes Venatici (14 April 2021)


This is my entry for April's competition. It is of M106 (aka NGC 4258) and other nearby galaxies. I collected all the data from my backgarden in Loughborough (East Midlands, UK) on the night of 14 April 2021. Full details below.



  • 80× 300-s light frames (Gain 900)
  • 6 h 40 min total exposure time
  • Full use of calibration frames (darks, flats and dark flats)



  • Explore Scientific ED 102 mm Apo f/7 refractor
  • Sky-Watcher EQ6-R PRO SynScan GOTO equatorial mount
  • Altair Hypercam 294C PRO colour fan-cooled camera
  • Altair quad-band one-shot colour (OSC) 2″ filter
  • Revelation Adjustable Field Flattener
  • Altair 60mm guide scope
  • Altair GPCAM2 AR0130 mono guide camera



  • Sharpcap
  • PHD2
  • DeepSkyStacker
  • Photoshop
  • Gradient XTerminator
  • Like 4


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