Vicinity of the star Sadr. NGC 6910 NGC 6888

 Posted: Jul 11th, 2024
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Technical Info
Telescope/Lens: Samyang 135mm f/2.0 ED UMC
Camera: Canon 2000Da
Mount: МТ-120
Guide Scope: Искатель 50
Guide Camera: T7m
Software: NINA, Siril, Pixlnsight, ФШ
Exposure:
12 x 180" ISO/Gain: 1600 - LAIDA 7hm
17 x 180" ISO/Gain: 800 - LAIDA 7hm
Orange, Bortle 6 zone:
 Ekaterinburg Rayon Ozera Gluhoe, Russia
 Jul 10th, 2024
1 h 27 m
1420
Resolution: 3439x3941 px
Scale: 2105 KB
First light with the new lens. I cropped the edges, the flats were poorly taken, and there's a strong gradient in the sky.
At first, I shot at ISO 1600, but after stacking a few frames I realized the stars were blown out, so I lowered it to 800. Stacking was done in Siril, processing in PixInsight.
I placed a 2-inch filter in front of the lens, resulting in an aperture of around f/2.9–3.
Of course, the nights are still very bright—the software shows it's twilight.
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