WR 134 and WR 136 mosaic

 Posted: Sep 3rd, 2026
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NGC
IC
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Technical Info
Telescope/Lens: Askar 71F
Camera: ZWO ASI2600MM PRO
Mount: JUWEI 14
Guide Scope: ToupTek GS-200 AR
Guide Camera: ZWO ASI662MC
Software: Siril, Lightroom, StarNet++
Accessories: CAA, EAF, EFW, ASIAIR MINI, Askar Reducer x 0.75, Gemini PowerBox
Exposure:
26 x 300" ISO/Gain: 100 - Antlia EDGE Ha 4.5 nm
30 x 300" ISO/Gain: 100 - Antlia PRO OIII 3 nm
Orange, Bortle 6 zone:
 Samara, Russia
 Sep 2nd, 2026
4 h 40 m
3
Resolution: 7526x5487 px
Scale: 20903 KB

I started shooting the crescent and an idea came to mind — why not make a mosaic. I aimed, one might say, by eye using a photo from my phone; the rotation angle was the same, so I didn't miss by much. This was my first experience assembling a mosaic, and I didn't immediately understand how to do it properly in Siril. It took an hour to get the hang of it, and everything aligned and then merged correctly by layers. Of course, I cropped the frame quite a bit, but I gained invaluable experience and want to repeat it more deliberately. I kept the balance by having the same number of frames in each panel; I just didn't manage to capture the crescent.

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