M51 - The Whirlpool Galaxy monochrome

M51 - THE WHIRLPOOL GALAXY MONOCHROME Telescope or Lens: TS Optics 72mm Doublet Apo Refractor Camera: ZWO ASI183MM Pro Mount: EQ6R-PRO Software: DeepSkyStacker, Photoshop, PixInsight, PHD2 Guiding, Astrophotographytool, CDC Accessories: TS 0,79x reducer/flattener, Bahtinov mask Dessau-Roßlau, GERMANY Light Pollution: Orange zone Exposure: 5 x 600" ISO/Gain: 139 - no filters I was curious to see how much detail my little 72mm refractor would be able to bring out on this galaxy Viewer link: https://deepskyhosting.com/UpiWfQT Author: Dirk Willfeld