W UMa brightness variation

Posted: Mar 13th, 2024

Technical Info

Telescope/Lens: Jupiter-37A

Camera: Nikon D3300

Mount: Sky-Watcher Star Adventurer 2i

Software: Siril, Kdenlive

Exposure:

150 x 60" ISO/Gain: 200 - f6.7

Red, Bortle 7 zone:

53.869205, 27.662640, Russia

Aug 11th, 2024

2 h 30 m

1116

5

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Resolution: 1920x1080 px

Scale: 23359 KB

Kirill Prokopenkov

21

The central star in W Ursae Majoris, a contact binary eclipsing variable. 150 minutes sped up to 1 second, the brightness change is already noticeable. (To view the animation, expand the image to full screen.)

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