Tulip Nebula Sh2-101 in Hubble Palette Narrowband
Monday, September 14th, 2026 at 3:58:05 AM · 2026/Astrophotography
This is a stunning narrowband image of the Tulip Nebula (Sh2-101) processed in the Hubble (SHO) palette, mapping Sulfur-II to red, Hydrogen-alpha to green, and Oxygen-III to blue channels. The nebula's characteristic tulip-like shape is prominently displayed near the center of the frame, glowing in brilliant golds, oranges, and electric blues against a richly star-filled field in the constellation Cygnus. The image was captured using a TMB-92 Signature Series 92mm f/4.6 APO refractor paired with a ZWO ASI533MM Pro monochrome camera, combining SII, Ha, OIII, and broadband LRGB filters across 3.6 hours of total integration time. Dark absorption nebulae create dramatic contrast against the glowing ionized gas clouds, while the surrounding Milky Way star field adds incredible depth and texture. The processing, aided by Syqon Starless AI for star removal workflows and Python-based calibration, reveals fine structural detail in the nebula's pillars and shock fronts.
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