Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  4 Cep  ·  Iris Nebula  ·  NGC 7023  ·  NGC7023  ·  T Cep  ·  The star 4Cep  ·  VdB139
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Iris Nebula and LBN 468, 



    
        

            Steed Yu
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Iris Nebula and LBN 468

Imaging telescopes or lenses: SharpStar 15028HNT

Imaging cameras: QHYCCD QHY268C

Guiding telescopes or lenses: SharpStar 15028HNT

Guiding cameras: QHY5L-II-M

Software: Pleiades Astrophoto S.L. PixInsight 1.8.8 Ripley  ·  Adobe Photoshop 2020  ·  Astro Photography Tool - APT APT - Astro Photography Tool v3.63

Filters: Optolong 2" UV/IR Cut


Frames:Optolong 2" UV/IR Cut: 301x300" (gain: 56.00) -30C bin 1x1

Integration: 25.1 hours

Darks: ~80

Flats: ~50

Flat darks: ~50

Bias: ~100

Bortle Dark-Sky Scale: 2.00


Astrometry.net job: 3970454

RA center: 20h 51' 24"

DEC center: +67° 56' 27"

Pixel scale: 1.856 arcsec/pixel

Orientation: 97.399 degrees

Field radius: 2.389 degrees


Resolution: 5784x7232

Locations: Milky Way Observatory, Naobuzi, Zhangjiakou, Hebei, China

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

The Iris Nebula is a reflection nebula in the constellation Cepheus, which is actually a patch of interstellar dust illuminated by a blue star. In the 2-panel-mosaic wide-field image, you can see that this area of the sky is actually filled with interstellar dust, but the other dust is not illuminated by a nearby star like the Iris Nebula.

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