Hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2259
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Barnard 39 Bi-Color RGB Stars, 



    
        

            John Travis
Barnard 39 Bi-Color RGB Stars
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Barnard 39 Bi-Color RGB Stars

Technical card

Imaging telescopes or lenses: William Optics GT102 102mm f/6.9 Apo Refractor

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Paramount MyT

Guiding telescopes or lenses: William Optics GT102 102mm f/6.9 Apo Refractor

Guiding cameras: ZWO ASI174Mini

Focal reducers: Astro-Tech 2" Field flattener

Software: Aries Productions Astro Pixel Processor APP  ·  Software Bisque The SkyX Professional  ·  Topaz DeNoise AI  ·  Adobe Photoshop CC  ·  PHD2 Guiding  ·  Starkeeper Software Voyager  ·  PixInsight 1.8 Ripley

Filters: Baader OIII 8.5nm 1.25"  ·  Baader Planetarium Baader H-Alpha 1,25" 7nm CCD  ·  ZWO Green Filter Optimized for ASI1600  ·  ZWO Red Filter Optimized for ASI1600

Accessory: Orion Thin off-axis guider  ·  ZWO Optical EFW 8x1.25" filter wheel


Dates:Nov. 10, 2020Nov. 16, 2020Nov. 21, 2020

Frames:
Baader Planetarium Baader H-Alpha 1,25" 7nm CCD: 150x240" (gain: 139.00) -15C bin 1x1
Baader OIII 8.5nm 1.25": 150x240" (gain: 139.00) -15C bin 1x1
ZWO Blue Filter Optimized for ASI1600: 30x75" (gain: 75.00) -15C bin 1x1
ZWO Green Filter Optimized for ASI1600: 30x75" (gain: 75.00) -15C bin 1x1
ZWO Red Filter Optimized for ASI1600: 30x75" (gain: 75.00) -15C bin 1x1

Integration: 21.9 hours

Darks: ~25

Flats: ~25

Flat darks: ~25

Avg. Moon age: 10.78 days

Avg. Moon phase: 24.86%

Bortle Dark-Sky Scale: 7.00


Basic astrometry details

Astrometry.net job: 4040143

RA center: 6h 37' 11"

DEC center: +10° 37' 12"

Pixel scale: 1.100 arcsec/pixel

Orientation: 179.748 degrees

Field radius: 0.853 degrees


Resolution: 4459x3361

Locations: Home , Huntsville, Alabama, United States

Data source: Backyard

Description

Barnard 39 and NGC 2259 imaged in Bi-color and combined with RGB stars. This is one of my preferred methods. I tend to like the palette of colors the mix produces (most times). Plus the added benefit of having to collect less data. Which is good if you often have cloudy skies.

Hope you enjoy! Clear skies and a Happy Thanksgiving to everyone in the States 😊

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