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IC 1284, NGC 6589, NGC 6590
Exposure Data
- Image Field of View: 48.32' x 32.22'
- Camera Field of View: 74.76' x 49.83'
- Scope: 130 mm f/8 triplet apochromatic refractor
- Focal Length: 1,025 mm
- Focal Ratio: f/8
- Camera: Modified Canon T2i (550D)
- ISO: 800
- Exposure: 9 x 360 seconds (54 minutes total)
- Filter: None
- SQM: 20.81
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This complex of emission nebulae, reflection nebulae and dark nebulae is located just south of M24, the Small Sagittarius Star Cloud.
IC 1284 is the red emission nebula at left center. NGC 6589 and NGC 6590 are the two blue reflection nebulae below center.
This complex is believed to be located at a distance of 5,900 light-years.
North is to the top in the above image.
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IC 1284, NGC 6589, NGC 6590
- Catalogs:
- IC 1284, Ced 157d, RCW 153
- NGC 6589, IC 1283, LBN 46
- NGC 6590, Ced 157b, LBN 43
- Object Type:
- IC 1284: Emission Nebula
- NGC 6589: Reflection Nebula
- NGC 6590: Reflection Nebula
- Magnitude:
- IC 1284: 7.7b
- NGC 6590: 7.0b
- Size:
- IC 1284: 17' x 15'
- NGC 6589: 5' x 3'
- NGC 6590: 4' x 3'
- Constellation: Sagittarius
- Image Field Centered At:
- RA: 18h 17m 06s
- Dec: -19° 40' 20"
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