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NGC 253 and NGC 288
Exposure Data
- Image Field of View: 2.42° x 1.62°
- Camera Field of View: 2.66° x 1.77°
- Scope: 130 mm f/8 triplet apochromatic refractor
- Focal Length: 784 mm with 0.75x focal reducer
- Focal Ratio: f/6
- Camera: Nikon F3
- Film: Hypered Fujicolor SG 800 Film
- ISO: 800
- Exposure: Single 45 minute exposure
- Filter: None
- SQM: 21.86
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NGC 253 (left) is a spiral galaxy and NGC 288 is a globular cluster. Both are located in the constellation of Sculptor, but they are not really close to each other is space, they just happen to lie along the same line of sight.
NGC 253 is located 11 to 13 million light-years away, far outside our galaxy.
NGC 288 is located 28,000 light-years away, inside of our own Milky Way Galaxy. It is believed to be 3 billion years old.
NGC 253 was discovered by Caroline Herschel in 1783.
NGC 288 was discovered by William Herschel in 1785.
North is to the bottom left in the above image.
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NGC 253, NGC 288
- Catalogs:
- NGC 253, PGC 2789, ESO 474-29
- NGC 288, Mel 3, ESO 474-SC37
- Common Name:
- NGC 253: Silver Coin, Sculptor Filament
- Object Type:
- NGC 253: SBc Spiral Galaxy
- NGC 288, Globular Cluster
- Magnitude:
- NGC 253: 7.3v
- NGC 288: 8.1v
- Size:
- NGC 253: 25' x 7'
- NGC 288: 13'
- Constellation: Sculptor
- Image Field Centered At:
- RA: 00h 50m 46s
- Dec: -25° 50' 17"
Individual object coordinates can
be found in the Master List.
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