NGC1893 and surroundings - 20200320 - Neewer 85mm F1.8 - UHC (altazastro)

Celestial hemisphere: Northern · Constellation: Auriga (Aur) · Contains: El Nath (βTau) · Flaming Star Nebula · IC 405 · IC 417 · M 37 · NGC 2099 · Part of the constellation Auriga (Aur) · The star 14Aur · The star 16Aur · The star 19Aur · The star 26Aur · The star Elnath · The star ιAur · The star σAur · The star φAur · The star χAur

NGC1893 and surroundings - 20200320 - Neewer 85mm F1.8 - UHC, altazastro

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NGC1893 and surroundings - 20200320 - Neewer 85mm F1.8 - UHC

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NGC1893 and surroundings - 20200320 - Neewer 85mm F1.8 - UHC

Considered the integrated time I would have expected a much better result in comparison with the Monkey Head image made in the same night.

Exposure time was 92 vs 24 minutes.

Moreover this subject was well higher in the sky during most of the imaging session.

The DSLR is NOT modified, so H-alpha sensitivity is rather limited, but I would expected results proportional to the exposure time.

Perhaps it was just the subject to be more difficult (like more Ha, less OIII)?

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NGC1893 and surroundings - 20200320 - Neewer 85mm F1.8 - UHC

NGC1893 and surroundings - 20200320 - Neewer 85mm F1.8 - UHC

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NGC1893 and surroundings - 20200320 - Neewer 85mm F1.8 - UHC

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