Sextans B (DDO 70)

Telescope: Blanco 4 meter (157 inch) reflector, 21311 mm FL
Camera: Mosaic II, 8675 x 8775 pixels
Exposure: Image is 10 x 9 arcmin and combines 4 frames B (60 sec), V (60 sec), R (50 sec) and HA (300 sec). Data from A Survey of the Resolved Stellar Content of Nearby Galaxies Currently Forming Stars. Processed with PixInsight and Photoshop.
Location: Cerro Tololo Inter-American Observatory, Chile (Elevation 7241')
Image Center (J2000): RA 10h 00m 00s, Dec 5° 19' 44"
Image Size: 10' x 9'

Dwarf irregular galaxy which may be part of the Local Group. Resolved into stars. About a dozen HII regions are known, most can be seen in this image.


Sextans B (DDO 70), Dwarf irregular galaxy which may be part of the Local Group. Resolved into stars. About a dozen HII regions are known, most can be seen in this image.

Object Label Identifier Notes
Globular Cluster GC GC in SEXTANS B Only known Globular Cluster in Sextans B
Star V1 [SC85] V1 Cepheid variable, mV=21.4
Star V2 [SC85] V2 Cepheid variable, mV=21.2

Click on the plate solved image to display annotations. 3' across Sextans B is about 3,900 light years.