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< Lower's Nebula SH2-261
The California Nebula NGC1499 >

Lower's Nebula 2026

3/2026
ASI2600MM, 580mm f/5.8, 26.4h (RGB 3x1.2h, Lum 1.9h, Ha 6.1h, S2 6.3h, O3 8.3h)

Like last year, I again imaged Lower's Nebula SH2-261. But this time using the slower refractor and a different composition.

The main difference is using the Sulfur data to place some yellowish highlights around the core, as a consequence this edit is quite warmer compared to the previous image.

In a direct comparison I had to collect much more subs with the slower telescope, and still could not reach the quality of the previous stacks  with about twice the integration time.

The image shown above is still a crop from this full field: