Imaging telescopes or lenses: Canon 200 mm f/2.8 L II USM
Imaging cameras: Moravian Instruments G2-8300FW
Mounts: SkyWatcher AZ-EQ6 GT
Guiding telescopes or lenses: Orion Guidescope 60mm
Guiding cameras: ZWO ASI 120 MM-S
Software: PixInsight 1.8 · INDILib · Kstars team Kstars/Ekos
Filters: Baader Planetarium LRGB · Baader Planetarium Ha 7nm 1.25"
Dates:Aug. 19, 2020 , Aug. 20, 2020
Frames:
Baader Planetarium Ha 7nm 1.25": 24x600" -20C bin 1x1
Baader Planetarium LRGB: 44x300" -20C bin 1x1
Integration: 7.7 hours
Avg. Moon age: 1.00 days
Avg. Moon phase: 1.49%
Astrometry.net job: 3973501
RA center: 20h 16' 23"
DEC center: +44° 3' 46"
Pixel scale: 2.865 arcsec/pixel
Orientation: 90.738 degrees
Field radius: 3.300 degrees
Resolution: 6624x4990
Data source: Traveller
Head for Deneb, the tail of the Swan. You may be tempted to turn slightly to the East and stop at the beatiful North America and Pelican nebulas. But if you turn West instead, you may be surprised by a huge, lurking deep red dragon.
A number of HII regions shape this nebulosity, many of them listed in the Lynds Bright Nebula catalog, with some omissions, notably the "Propeller Nebula" (Simeis 57, DWB 111), located near the center of the image.
Final version has been processed with drizzle algorithm (2x) to improve spatial resolution.
This image has been featured as Amateur Astronomy Picture of the Day (AAPOD) on Nov 27th, 2020.
200mm, f/4
Ha: 24x 600s (15-16/08/2020, from Sevilla city)
L: 14x 300s (19-20/08/2020, from Hornachos)
R: 10x 300s (19/08/2020, from Hornachos)
G: 10x 300s (19/08/2020, from Hornachos)
B: 10x 300s (19/08/2020, from Hornachos)
Description: Drizzled version (2x)
Description: Annotated version
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