Ausschnitt im Sternbild

Barnard 145

Dark nebula in constellation of cygnus.

Barnard 145 is a long dark nebula of about 40 arc minutes in size. About half of B 145 is covered by an emission nebula - LBN 190, which is part of the much larger Sharpless 109.

Barnard 145
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Object: Barnard 145
Date of exposures: 26.08.2019, 28.08.2019, 02.09.2019
Exposures: Ha 5nm: 63 x 300", OIII 3nm: 13 x 300", RGB: 124 x 180", Sum: 12,5 hrs.
Telescope: 10'', F4 Newton
Focal length: 1000 mm
Filter: Astrodon RGB E-Series, Ha, OIII
Camera: ASI 1600 MMC Pro
Guiding: Off Axis Guider, Lodestar
Mount: EQ8

To highlight the hydrogen components in the region, a larger anteicl of H-alpha assumptions was mixed into the RGB. OIII is also present, but was only exposed for a short time.