
The plan was to complement the L-Ultimate with the L-Synergy to also capture a sulfur signal, but due to unstable weather I changed my mind midway and dedicated the entire integration time to Ha and OIII. So there's still something left for another time.
Scope: Askar FRA400 (400mm, f/5.6)
Mount: Juwei 17
Camera: ASI 2600MC Pro -10°C
Filter: Optolong L-Ultimate
Guiding: ASIAIR Plus in ASI 120MM
Integration: 183x300s (15) + calibration
Processing: PixInsight, Affinity Photo
Vrhnika (Bortle 4-5), Slovenia
27., 28., and 29. november 2025
by No-Lengthiness-9613

4 Comments
Full resolution: [https://photonhunter.space/share/image/MFKE7LTnuk](https://photonhunter.space/share/image/MFKE7LTnuk)
absolutely beautiful, thank you for sharing. major inspiration.
Wow 😳 stunning capture.
Beautiful picture, thanks for sharing👍🏻