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Contains:  IC 417, The star φAur
Getting plate-solving status, please wait...
IC 417 Spider Diffuse Nebula, 


            Jerry Macon
IC 417 Spider Diffuse Nebula
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IC 417 Spider Diffuse Nebula

Technical card

Dates:Jan. 3, 2019Jan. 4, 2019

Astrodon Gen 2 L 36mm: 170x200" (gain: 99.00) -15C bin 1x1
Astrodon Gen 2 RGB 36mm: 86x200" (gain: 99.00) -20C bin 1x1

Integration: 14.2 hours

Avg. Moon age: 27.63 days

Avg. Moon phase: 4.26%

Bortle Dark-Sky Scale: 4.00

Temperature: -5.00

Basic astrometry details job: 2660382

RA center: 5h 27' 54"

DEC center: +34° 25' 48"

Pixel scale: 0.701 arcsec/pixel

Orientation: 357.968 degrees

Field radius: 0.333 degrees

Resolution: 2796x1969

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Images from the following two scopes (piggybacked) contributed to this image:
AG12+ASI1600MM at .70 asec/pix
TV127is+ASI183MM at .75 asec/pix.
They were all registered to the best R image taken on the AG12.
Using L from the TV NP127is refractor effectively eliminates the spikes from the AG12.

IC 417 is an emission nebula in the constellation Auriga, informally known as the Spider Nebula, that is energized by embedded hot, massive blue stars. The small tiny clouds of gas visible in the center of image are locations of new star formation. (



Jerry Macon
License: Attribution Creative Commons

Sky plot

Sky plot


IC 417 Spider Diffuse Nebula, 


            Jerry Macon