(Click on image for full size version)
|Description:||This emission/reflection nebula is in the
vicinity of M52.
|Exposure Data:||10/13/2003. RRGB: 8x8m, 6x5m,
6x5m. GB 2x2. -10°C, 1.1 arc-sec./pixel.
|Processing:||Acquired via Sequencer II (dither 4) and CCDSoft, reduced and
aligned, in Mira, Combined in Sigma, L 2x CCDSharp, RGB combine in Maxim, LRGB combine, curves, levels and other
processing in Photoshop.
|Optical System:||BRC-250, 10” Baker-Ritchey-Chretien @ F/5,
CCD camera, Paramount ME. autoguided
|Comments:||Average FWHM was 4.0 arc-sec., deconvolved to
3.0 arc-sec. See here for a close-up of
the bubble region.