IC2177 "Seagull" in Monoceros



Scope: ST at f/2.5 Location: Del Mar, CA, 1/21/2004 Camera: ToUcam SC3

Exposure: 6 x 180 sec H-Alpha exposure. 16 x 8 sec exposures with IR Block filter.12 x 12 sec each RGB exposures. Four Frame Mosaic

Processing: Captured and stacked in K3CCDTools with HA, IR,R,G,B saved as FITs. HA, IR,RGB masters were co-registered in Astroart. Some Lowpass filtering was applied on the HA and IR channels. HA and IR were combined for Luminance. HA and Red combined for red. These combinations and LRGB combine were done in Photoshop. Luminance Layering was used. Each quadrant of the mosaic was color balanced in Photoshop and background smoothed with SGBNR. No ears - the exposure was made with RAW mode. Final mosaic joining and touch up in Photoshop.

This image was taken in my light polluted neighborhood in Del Mar. The star field appears dense, but it is a pretty starry section of the sky and the Max depth is about Mag 14. This object is also known as the "Seagull Nebula" - I think if you look with a little imagination, you can see the seagull. Horizontal FOV is about 164'


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