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Comet 38P/Stephan-Oterma, 


            José J. Chambó
Comet 38P/Stephan-Oterma

Technical card

Imaging telescope or lens:GSO Newton 8" f/4

Imaging camera:Atik 383L+


Guiding camera:Meade DSI

Software:PixInsight 1.8MaximDL5

Filter:Astrodon Series 2 LRGB

Accessory:Teleskop-Service Coma Corrector

Resolution: 1200x900

Dates:Jan. 6, 2019

Frames: 9x120"

Integration: 0.3 hours

Avg. Moon age: 0.39 days

Avg. Moon phase: 0.17% job: 2473714

RA center: 128.877 degrees

DEC center: 42.453 degrees

Pixel scale: 4.092 arcsec/pixel

Orientation: 2.601 degrees

Field radius: 0.853 degrees

Locations: Vallés - Valencia (Spain), Vallés, Valencia, Spain

Data source: Backyard


38P/Stephan-Oterma @ January 6,2019 03:00 UT

Comet 38P/Stephan-Oterma photographed on January 6, 2019. Going away from inner Solar System shows in this image an asimetric coma with 3' af angular size, whitish and few gassy, which is transform in a dust tail with 15' lenght toward West. Comet had here a brightness near magnitude 10 and located into constellation Lynx, the brightest star has magnitude 7.

Acquisition details:
Telescope GSO 8" N f/3.8.
Camera Atik 383L+.
24 min. total exposure.
From Vallés, Valencia (Spain).

José J. Chambó (

More info at 



José J. Chambó
License: None (All rights reserved)

Sky plot

Sky plot


Comet 38P/Stephan-Oterma, 


            José J. Chambó

In these public groups

Comets Imaging