Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  NGC 2023  ·  NGC 2024  ·  The star Alnitak (ζOri)
Horsehead and Flame Nebulae (Ha+LRGB), 



    
        

            Scott Davis
Horsehead and Flame Nebulae (Ha+LRGB)
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Horsehead and Flame Nebulae (Ha+LRGB)

Horsehead and Flame Nebulae (Ha+LRGB), 



    
        

            Scott Davis
Horsehead and Flame Nebulae (Ha+LRGB)
Powered byPixInsight

Horsehead and Flame Nebulae (Ha+LRGB)

Technical card

Imaging telescopes or lenses: Explore Scientific ED102 APO

Imaging cameras: QSI 683ws-8

Mounts: Celestron CGEM Hypertuned

Guiding telescopes or lenses: Orion ShortTube 80

Guiding cameras: Orion StarShoot Autoguider

Focal reducers: Astro-Tech AT2FF

Software: Sequence Generator Pro  ·  RegiStar

Filters: Astrodon 31mm B Tru-Balance E-Series Gen 2  ·  Astrodon 31mm G Tru-Balance E-Series Gen 2  ·  Astrodon 31mm R Tru-Balance E-Series Gen 2  ·  Astrodon 31mm Ha 3nm FWHM  ·  Astrodon 31mm L Tru-Balance E-Series Gen 2

Accessory: Robofocus


Dates:Jan. 24, 2017Jan. 25, 2017Jan. 27, 2017Jan. 28, 2017Feb. 12, 2017Feb. 14, 2017

Frames:
Astrodon 31mm B Tru-Balance E-Series Gen 2: 22x300" (1h 50') -20C bin 2x2
Astrodon 31mm G Tru-Balance E-Series Gen 2: 21x300" (1h 45') -20C bin 2x2
Astrodon 31mm Ha 3nm FWHM: 113x300" (9h 25') -20C bin 1x1
Astrodon 31mm L Tru-Balance E-Series Gen 2: 67x300" (5h 35') -20C bin 1x1
Astrodon 31mm R Tru-Balance E-Series Gen 2: 21x300" (1h 45') -20C bin 2x2

Integration: 20h 20'

Darks: ~30

Flats: ~30

Flat darks: ~30

Bias: ~30

Avg. Moon age: 19.56 days

Avg. Moon phase: 33.88%

Bortle Dark-Sky Scale: 7.00


Basic astrometry details

Astrometry.net job: 1461716

RA center: 5h 41' 22"

DEC center: -2° 1' 26"

Pixel scale: 2.521 arcsec/pixel

Orientation: 92.911 degrees

Field radius: 0.873 degrees


Resolution: 1824x1356

Locations: My Backyard, Clovis, California, United States

Description

This is my latest version of the Horsehead and Flame Nebulae up in Orion, shot entirely from my light-polluted backyard in Clovis, California.

Comments

Sky plot

Sky plot

Histogram

Horsehead and Flame Nebulae (Ha+LRGB), 



    
        

            Scott Davis