The Crescent Nebula (NGC 6888) dataset comprises 15.75 hours of total integration captured between July 23 and July 30, 2026, using a ZWO ASI2600MC Air camera mounted on an Askar 131F telescope with an AM3 mount. The acquisition includes 80 frames through an Antlia ALP-T filter at 180 seconds each, 230 frames with an Askar Color Magic D2 SII-OIII 6nm 2-inch filter also at 180 seconds, and 30 unfiltered frames at 30 seconds exposure. This emission nebula in Cygnus, formed by stellar winds from a Wolf-Rayet star, presents rich narrowband detail in oxygen and sulfur wavelengths. The data is available as a one-time purchase for approximately $7.90 under a CC BY-NC 4.0 license, permitting copying, modification and redistribution for non-commercial purposes.
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