IC 1318b. Butterfly nebula

 Posted: Mar 21st, 2026
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NGC
IC
HD
Technical Info
Telescope/Lens: Askar 71F
Camera: ZWO ASI585MC Pro
Mount: HEQ5 Pro
Guide Scope: ZWO OFF-AXIS-GUIDER
Guide Camera: Zwo ASI 120 MM
Software: PixInsight, Gra Xpert, Siril
Accessories: Asiair plus.
Exposure:
34 x 600" ISO/Gain: 200 - LAIDA Dual band filter Ha+OIII
Green, Bortle 4 zone:
 Tallinn, Estonia
 Mar 20th, 2026
5 h 40 m
15
Resolution: 3815x2149 px
Scale: 10465 KB
It turned out masterfully, as the object was captured under extreme conditions. During the shoot, a solar wind surge hit and the sky was simply ablaze with aurora. I didn’t stop shooting, although on some frames the aurora still broke through despite the filter.

Processing by @CAHEK_61.
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Comments

Cool, it looks like an X-ray of lungs.
Today, at 19:30 Reply

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