Anonymous
12
IC 1396A — The Elephant's Trunk Nebula
Anonymous
12
- Imaging Target: To capture the complex structure of IC 1396A's dark globule and surrounding emission nebula in narrowband, revealing the active star-forming regions within the Elephant's Trunk pillar using the SVBONY SV605CC and SV220 3nm dual narrowband filter.
- Coordinates Captured: RA 21h 33m 24s / Dec +57° 29' 00" (Georgetown, MA, USA — Bortle 6)
- Main Cameras: Cooled Color Camera | SVBONY SV605CC ; 2" 3nm H-Alpha & OIII Filter | SVBONY SV220 ;
- Auxiliary Guiding & Accessories: Apertura 75Q, Sky-Watcher Star Adventurer GTi, ZWO 120mm Mini guide camera, ZWO Off-Axis Guider, PixInsight, Photoshop
Related Auxiliary Equipment
Description
47 × 300-second exposures totaling 3 hours 55 minutes through the SVBONY SV220 3nm dual narrowband filter. Processed in PixInsight using Automatic Background Extraction, BlurXTerminator, NoiseXTerminator, StarNet star separation, Statistical Stretch, NarrowbandNormalization, Image Blend, Dark Structure Enhance, and Curves. Final star blending and color adjustments in Photoshop. A deliberately bold interpretation emphasizing the deep red Ha field to contrast the cool OIII glow surrounding the trunk structure.
Background Introduction
IC 1396A, known as the Elephant's Trunk Nebula, is a dense dark globule of cold molecular gas and dust located approximately 2,450 light-years away in the constellation Cepheus. It is silhouetted against the larger IC 1396 emission nebula, which is ionized by the massive star HD 206267 at its center. The trunk structure is an active star-forming region — its dense interior shields young protostars from the intense ultraviolet radiation flooding the surrounding nebula. This image was captured from a suburban Bortle 6 backyard using SVBONY's SV605CC color camera and SV220 3nm dual narrowband filter on an Apertura 75Q refractor.
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