Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Flame Nebula  ·  IC 434  ·  IC 435  ·  NGC 2023  ·  NGC 2024  ·  Orion B  ·  The star Alnitak (ζOri)  ·  The star σOri
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Horsehead in Ha, 


            Gilbert Ikezaki
Horsehead in Ha
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Horsehead in Ha

Technical card

Imaging telescopes or lenses: Celestron EdgeHD 1100

Imaging cameras: ZWO AIS1600 MM pro

Mounts: iOptron CEM40EC

Guiding telescopes or lenses: Vivitar SoildCat 600mm f/8

Guiding cameras: Orion StarShoot AutoGuider

Focal reducers: Starizona Hyperstar 4

Software: Digital Photo Professional  ·  Deep Sky Stacker  ·  HDRsoft Photomatix Pro 5  ·  Stark Labs Nebulocity 3

Filters: Baader Ha 1.25" 7nm for f/2

Dates:Dec. 19, 2020

Frames: 60x60"

Integration: 1.0 hours

Avg. Moon age: 5.06 days

Avg. Moon phase: 26.27%

Basic astrometry details

Astrometry.net job: 4129184

RA center: 5h 40' 50"

DEC center: -2° 27' 14"

Pixel scale: 1.453 arcsec/pixel

Orientation: 89.539 degrees

Field radius: 1.107 degrees

Resolution: 4563x3042

Locations: Mission Valley, San Diego, California, United States

Data source: Traveller


Imaging from near city center allows me to get only Ha data.


Sky plot

Sky plot


Horsehead in Ha, 


            Gilbert Ikezaki