Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Sh2-115  ·  Sh2-116
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Sh2-115 and Abell 71, 


            Nico Carver
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Imaging telescopes or lenses: Stellarvue SVQ86

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Skywatcher EQ6-R Pro

Guiding telescopes or lenses: Astromania 60mm Guide Scope

Guiding cameras: ZWO ASI290MM Mini

Software: Photoshop CS6  ·  PHD2 Guiding  ·  Main Sequence Software Sequence Generator Pro  ·  Pixinsight 1.8  ·  Nikita Misiura Starnet++  ·  DC-3 Dreams Pinpoint  ·  Cartes du Ciel

Filters: Astrodon Tru-Balance 1.25" 5nm Ha  ·  Astrodon Tru-Balance 1.25" 3nm S2  ·  Astrodon Tru-Balance 1.25" 3nm OIII

Accessory: QHYCCD Polemaster  ·  Shoestring Astronomy EQDIR

Dates:Aug. 1, 2020Sept. 5, 2020Sept. 20, 2020

Astrodon Tru-Balance 1.25" 3nm OIII: 24x300" (gain: 200.00) -15C bin 1x1
Astrodon Tru-Balance 1.25" 3nm S2: 24x300" (gain: 200.00) -15C bin 1x1
Astrodon Tru-Balance 1.25" 5nm Ha: 26x300" (gain: 200.00) -15C bin 1x1

Integration: 6.2 hours

Darks: ~30

Flats: ~30

Flat darks: ~30

Avg. Moon age: 11.29 days

Avg. Moon phase: 66.13%

Bortle Dark-Sky Scale: 7.67

Astrometry.net job: 3898150

RA center: 20h 33' 13"

DEC center: +47° 0' 33"

Pixel scale: 1.597 arcsec/pixel

Orientation: 110.794 degrees

Field radius: 1.091 degrees

Resolution: 3073x3840

Locations: Backyard, Somerville, MA, United States; Aldrich Observatory Field, Oakham, MA, United States

Data source: Backyard


A chaotic, but visually dynamic patch of the night sky in Cygnus. This is panel 45 out of 66 in a bigger mosaic project I started in 2018. I think this panel stands well on it's own, and has convinced me that shooting SII might really be worth it for the whole project. Ha and SII from Somerville (Bortle 9); OIII from Oakham (Bortle 5).