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Barnard 75
Exposure Data
- Image Field of View: 74.12' x 49.49'
- Camera Field of View: 97.8' x 65.4'
- Scope: 130 mm f/8 triplet apochromatic refractor
- Focal Length: 784 mm with 0.75x focal reducer
- Focal Ratio: f/6
- Camera: Modified Canon T2i (550D)
- ISO: 800
- Exposure: 12 x 600 seconds (2 hours total)
- Filter: None
- SQM: 21.81
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Barnard 75 is an intricate dark nebula that is part of the Pipe / Dark Horse complex in Ophiuchus.
B75 is at top left, B67a is at top right, and B262 at bottom left.
These dark nebulae were cataloged by astrophotographer E. E. Barnard in his book of dark nebula A Photographic Atlas of Selected Regions of the Milky Way on plate 20.
North is to the top in the above image.
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Barnard 75
- Catalogs: B75
- Object Type: Dark Nebula
- Size: 33.4' x 16.65'
- Constellation: Ophiuchus
- Image Field Centered At:
- RA: 17h 24m 38s
- Dec: -22° 08' 18"
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