NGC4038 and NGC4039, The Ring-tail Galaxy in Corvus




Exposure Data: 4/15/2002.  LRGB: 24x5m, 8x5m, 8x5m, 8x10m. -10°C, 1.0 arc-sec./pixel.
Processing: Acquired via script with Maxim, reduced, combined, aligned in Mira, L 5x CCDSharp, RGB combine in Maxim, LLRGB, curves, levels, pixel shift, unsharp mask in Photoshop.
Optical System: 10” Ritchey-Chretien @ F/7.2, ST-7E USB NABG/CFW-8A CCD camera, STV/FSQ-106, AP900GTO mount.
Comments: Seeing 3.8 arc-sec. Used B. Johnston’s pixel shift idea in Photoshop to reduce star bloat. First light with ST-7E USB beta test sample. Also known as the antennae, the antennae themselves are very faint and not brought out in this image.