The Elephant's Trunk Nebula The Elephant's Trunk Nebula in…
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The Elephant's Trunk Nebula
The Elephant's Trunk Nebula in IC 1396
Southeast, MA (Bortle 6-7)
July 2026
Camera: Canon Ra
Telescope: William Optics GT81 IV
Optics: Stellarvue SFFX1 Flattener
Mount: Sky-Watcher EQM-35 Pro
Guide: ZWO ASI120mm Mini + William Optics 50mm
uniguide scope
Filter: Svbony SV220 7nm Ha/OIII and SII/OIII
Control and Guiding: Mele Quieter 4C running N.I.N.A., PHD2, Green Swamp Server
Exposure:
Ha/OIII: 300s × 60 subs (5 hours)
SII/OIII: 300s × 60 subs (5 hours)
ISO: 1600
Calibration: Darks, Flats, Dark Flats
Siril: channel extraction, stacking, SHO composition, color calibration, GraXpert BGE and Denoise, Seti Astro Sharpening, Starnet++ star removal, Veralux HMS, Narrowband Normalization
Photoshop: Final curves and saturation adjustment, and star recombination.
#space
The Elephant's Trunk Nebula in IC 1396
Southeast, MA (Bortle 6-7)
July 2026
Camera: Canon Ra
Telescope: William Optics GT81 IV
Optics: Stellarvue SFFX1 Flattener
Mount: Sky-Watcher EQM-35 Pro
Guide: ZWO ASI120mm Mini + William Optics 50mm
uniguide scope
Filter: Svbony SV220 7nm Ha/OIII and SII/OIII
Control and Guiding: Mele Quieter 4C running N.I.N.A., PHD2, Green Swamp Server
Exposure:
Ha/OIII: 300s × 60 subs (5 hours)
SII/OIII: 300s × 60 subs (5 hours)
ISO: 1600
Calibration: Darks, Flats, Dark Flats
Siril: channel extraction, stacking, SHO composition, color calibration, GraXpert BGE and Denoise, Seti Astro Sharpening, Starnet++ star removal, Veralux HMS, Narrowband Normalization
Photoshop: Final curves and saturation adjustment, and star recombination.
#space
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