Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Iris Nebula  ·  NGC 7023
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The Iris Nebula, 


            William Maxwell
The Iris Nebula
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The Iris Nebula

Technical card

Imaging telescopes or lenses: Vivitar 400mm f5.6 prime

Mounts: Celestron CG-4 MotorDrive

Guiding telescopes or lenses: MEADE 50mm Finder Guidescope

Guiding cameras: ZWO ASI120MM

Software: Open Guiding PHD2 Guiding  ·  Astro Pixel Processor  ·  Adobe Photoshop CS4 Photoshop CS4

Dates:Aug. 13, 2020

Frames: 485x120"

Integration: 16.2 hours

Avg. Moon age: 23.80 days

Avg. Moon phase: 32.83%

Basic astrometry details

Astrometry.net job: 3788826

RA center: 21h 1' 50"

DEC center: +68° 11' 42"

Pixel scale: 2.411 arcsec/pixel

Orientation: 82.689 degrees

Field radius: 2.110 degrees

Resolution: 5129x3663

Data source: Backyard


Subs gathered over 4 nights


Sky plot

Sky plot


The Iris Nebula, 


            William Maxwell

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Cloudy Nights