Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1795  ·  NGC 896
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IC 1795 - The Fishhead Nebula in Bicolor, 



    
        

            Alan Pham
IC 1795 - The Fishhead Nebula in Bicolor
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IC 1795 - The Fishhead Nebula in Bicolor

Getting plate-solving status, please wait...
IC 1795 - The Fishhead Nebula in Bicolor, 



    
        

            Alan Pham
IC 1795 - The Fishhead Nebula in Bicolor
Powered byPixInsight

IC 1795 - The Fishhead Nebula in Bicolor

Technical card

Imaging telescopes or lenses: Stellarvue SV4

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Astro-Physics Mach1 GTO

Guiding telescopes or lenses: Stellarvue SV4

Guiding cameras: QHY5L-II-M

Focal reducers: Astro-Tech AT2FF Field Flattener

Software: PS  ·  PHD2  ·  Sequence Generator Pro  ·  PixInsight

Filters: Astrodon Ha 1.25 5nm  ·  Astrodon OIII 1.25 3nm


Dates:Jan. 21, 2019

Frames:
Astrodon Ha 1.25 5nm: 268x180" (13h 24') (gain: 200.00) -15C bin 1x1
Astrodon OIII 1.25 3nm: 193x180" (9h 39') (gain: 200.00) -15C bin 1x1

Integration: 23h 3'

Avg. Moon age: 15.09 days

Avg. Moon phase: 99.88%

Bortle Dark-Sky Scale: 7.00


Basic astrometry details

Astrometry.net job: 3259390

RA center: 2h 27' 35"

DEC center: +61° 57' 21"

Pixel scale: 1.598 arcsec/pixel

Orientation: 359.789 degrees

Field radius: 0.888 degrees


Resolution: 2401x3200

Locations: Home, San Jose, California, United States

Data source: Backyard

Description

Here is a Bicolor version of the Fishhead Nebula. It was done with the same Pixel Math formulas as the ones I used for my Pacman Nebula. What do you think? Would you skip SII for this target?

For reference, here are my other versions which use all 3 channels:

SHO Version

"Natural" Version

Comments