Hemisphere:  Northern  ·  Constellation: Orion (Ori)  ·  Contains:  Sh2-261
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The Lower's Nebula - SH2-261, 



    
        

            Wissam Ayoub
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The Lower's Nebula - SH2-261

Imaging telescopes or lenses: Explore Scientific 127mm ED TRIPLET APO

Imaging cameras: ZWO ASI294MM-Pro

Mounts: iOptron CEM60

Guiding cameras: ZWO ASI290MM mini

Focal reducers: Explore Scientific 0.7 Reducer/Flattener

Software: PixInsight 1.8.8 Ripley  ·  Adobe Photoshop CC  ·  Topaz Denoise Topaz

Filters: Chroma 3nm OIII  ·  Chroma 3nm Ha  ·  Chroma 3nm SII

Accessory: ZWO ASIAIR Pro  ·  ZWO OAG  ·  ZWO 8x 1.25" Filter Wheel (EFW)


Dates:Jan. 7, 2021Jan. 8, 2021

Frames:
Chroma 3nm Ha: 10x600" (gain: 200.00) -20C bin 1x1
Chroma 3nm OIII: 10x600" (gain: 200.00) -20C bin 1x1
Chroma 3nm SII: 10x600" (gain: 200.00) -20C bin 1x1

Integration: 5.0 hours

Darks: ~50

Flats: ~30

Flat darks: ~30

Avg. Moon age: 23.86 days

Avg. Moon phase: 32.28%

Bortle Dark-Sky Scale: 4.00

Temperature: 15.00


Astrometry.net job: 4142355

RA center: 6h 8' 55"

DEC center: +15° 43' 20"

Pixel scale: 0.706 arcsec/pixel

Orientation: -3.485 degrees

Field radius: 0.682 degrees


Resolution: 5330x4464

Locations: UAE desert, Abu Dhabi, United Arab Emirates

Data source: Traveller

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The Lower's Nebula - SH2-261, 



    
        

            Wissam Ayoub