EarthSky Community Photos

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Jeffrey Horne
Nashville, TN USA
01:00 am

Equipment Details:

Imaging Telescope: OPT Telescopes TPO UltraWide 180
Imaging Cameras: ZWO ASI2600MC Pro
Mount: Sky-Watcher EQ6-R Pro
Astronomik L-3 Luminance UV/IR Block
Optolong Astronomy Filter L-eXtreme 2"
Accessories: ZWO ASIair +
Guiding Telescope: ZWO 30mm Mini Guider Scope
Guiding Camera: ZWO ASI290MM Mini

Post-processing Details:

Calibrated, registered, integrated, and HOO combination in Astro Pixel Processor. Color calibration, stretching, noise reduction, star removal in Pixinsight. Star recombination and final edits in Photoshop (levels, color, sharpening.)

Image Details:

73.5 hours, taken over the course of 19 nights from Nashville, TN (Bortle 8). This image is a wide swath of nebulosity in the center of the constellation Cygnus, including the Crescent Nebula, the Tulip Nebula, Wolf-Rayet 134, Cygnus X-1 Black Hole, and much more. I hope you enjoy this image as much as I enjoyed taking it!

Astronomik L-3 Luminance UV/IR Block: 200x5" (16' 40") (gain: 100.00) -10°C Bin 1x1
Optolong L-eXtreme 2": 550x480" (73h 20') (gain: 100.00) -10°C Bin 1x1
Integration: 73h 36' 40"
Darks: 60
Flats: 100
Flat darks: 100
Bortle Dark-Sky Scale: 8.00