By Hassan Dadashi . arani | 2022-10-17
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On 10/03/2022 03:00 am by Ryan Walsh | Website | Leslie, Michigan
The Iris Nebula is a reflection nebula located around 1300 light-years from Earth in the constellation Cepheus. It is illuminated by a bright central star: SAO 19158. The light from this star reflects off surrounding dark cosmic dust, creating the blue color. This dark cosmic dust extends out into the area surrounding the reflection nebula as well.
William Optics FLT91 telescope (with 0.8x reducer/flattener), ZWO asi2600mc pro camera, SkyWatcher AZ-EQ6 pro equatorial mount
Stacked in DeepSkyStacker, processed in Adobe Photoshop
296 x 3-minute light frames + dark/flat/bias frames - 14 hours and 48 minutes of total integration time
