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Contains:  IC 1396
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IC 1396 - Elephant's Trunk SHO

Technical card

Resolution: 2646x3500

Dates:June 14, 2018June 22, 2018July 8, 2018

Astrodon Ha 1.25 5nm: 232x180" (gain: 200.00) -15C bin 1x1
Astrodon OIII 1.25 3nm: 190x180" (gain: 200.00) -15C bin 1x1
Astrodon SII 1.25 3nm: 165x180" (gain: 200.00) -15C bin 1x1

Integration: 29.4 hours

Avg. Moon age: 11.52 days

Avg. Moon phase: 33.17%

Bortle Dark-Sky Scale: 7.00 job: 2205518

RA center: 323.964 degrees

DEC center: 57.667 degrees

Pixel scale: 1.471 arcsec/pixel

Orientation: 269.556 degrees

Field radius: 0.897 degrees

Locations: Home, San Jose, California, United States

Data source: Backyard


One of my favorite objects. Done HaRGB last year so trying out SHO this year. Still not sure which version I like more.



Alan Pham



Popped things out a little and added star color/spikes. What do you think about star color/spikes in an SHO image?

Sky plot

Sky plot


IC 1396 - Elephant's Trunk SHO, 


            Alan Pham