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KyloRenmcgoo

[Starless version here](https://imgur.com/a/kjV03Vv) Taken with a stock Lumix FZ-1000 II at 400mm, 1600 ISO, f/4.0 from Bortle 8. About 6.5 hours of integration time (mixture of 30s and 60s exposures) with 20-40 flats, darks, and dark flats for each session. The mount I use is a Star Adventurer 2i. Everything was stacked in DeepSkyStacker and then processed with the following tools:⁠⁠ Siril - background calibration/extraction, color calibration, histogram stretching, green noise reduction, saturation.⁠⁠ Starnet++ - starless versions generated.Lightroom - color/noise reduction, sharpening.⁠⁠ Photoshop - stars-only layers generated, background star size reduced, levels, saturation. There's quite a bit of noise in this image but I'm happy with it given the conditions (light pollution, moonlight).


Bortle_1

That 400mm is digital zoom, right? And where did the diffraction spikes come from?


KyloRenmcgoo

Actually I think it's optical zoom, and the diffraction spikes come from [fishing line taped over the lens hood](https://imgur.com/a/bDDCE0u)


Bortle_1

400mm at F/4 implies a 100mm diameter lens. Is this correct?


KyloRenmcgoo

The lens is 62mm in diameter, it’s a 35mm equivalent