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Contains:  IC 417, The star φAur
Getting plate-solving status, please wait...
IC 417 - "The Spider" in SHO, 


            Chris Massa
IC 417 - "The Spider" in SHO
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IC 417 - "The Spider" in SHO

Technical card

Dates:Dec. 5, 2016Dec. 9, 2016Dec. 14, 2016

Baader Planetarium Ha 36mm 7nm: 31x1200" -26C bin 1x1
Baader Planetarium OIII 36mm 8.5nm: 38x1200" -20C bin 1x1
Baader Planetarium SII 36mm 8nm: 36x1200" -20C bin 1x1

Integration: 35.0 hours

Avg. Moon age: 10.16 days

Avg. Moon phase: 67.83%

Basic astrometry details job: 1401509

RA center: 5h 28' 12"

DEC center: +34° 25' 22"

Pixel scale: 1.103 arcsec/pixel

Orientation: 271.090 degrees

Field radius: 0.627 degrees

Resolution: 3284x2444

Locations: Home Observatory, Chico, CA - California, United States

Data source: Backyard


My FOV didn't let me get "The Fly" as well and I wasn't up for doing a mosaic currently. Tough process. Almost no OIII signal so I added a little Ha to OIII for the blue channel.



Chris Massa
License: None (All rights reserved)


  • IC 417 - "The Spider" in SHO, 


            Chris Massa
  • Final
    IC 417 - "The Spider" in SHO, 


            Chris Massa

Sky plot

Sky plot


IC 417 - "The Spider" in SHO, 


            Chris Massa

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Narrowband imaging