This photo shows the Super-Bubble DEM L106 or NGC1871 in the LargeMagellanicCloud (LMC).The open clusters NGC1869,1871 and 1873 are the results of intense star formation processes.
Hen S22 is a luminous supergiant,N30B an active Ha-region inside NGC1871
All these open clusters were discovered by James Dunlop in 1826.
position (epoch2000) NGC1871:
RA.: 05h 13m 53.00s
Decl.: -67° 27' 06.0"
RGB image from (R+Ha)(G+OIII)(B+OIII) RGB = 8x1200sec,Ha + OIII 12 x 2400sec,a total of 24 hours per mosaic element
80cm f/7 AstroOptik Keller corrected cassegrain FLI Proline 16803 Astrodon LRGB GenII filters
Prompt 7 CTIO/UNC Chile,remote controlled
image processing: Bernd Flach-Wilken
this is a mosaic of two pictures (orientation:N-S) in 94% width of the CCD-FOV.For full resolution click here
here you see a labeled version of these objects:
a detailed view of NGC1871 and its central Ha-bubble can be seen here.As comparison:here is a HST picture