IC 2944 (Running Chicken Nebula) in Centaurus

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16" DCA: LRGB 12" ASA: LRGB 12" ASA:HaOiii LRGB 12" ASA:HaLRGB 12" ASA:HaOiii 12" ASA:Ha
Size: 2000 px Size: 2000 px Size: 2000 px Size: 2000 px Size: 2000 px Size: 2000 px
 
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© Velimir Popov & Emil Ivanov 2013
 

IC 2944 (note as Running Chicken Nebula, or improperly as Lambda Centauri Nebula) is an H II region of the Milky Way visible in the Southern constellation Centaurus. Its distance is about 2000 parsecs ( 6500 light years) and is part of the Sagittarius Arm , the nearest spiral arm of the Milky Way. The best known feature of this cloud is the presence of some dark cocoons , known as Thackeray globules. Due to their instability , inside them there is no phenomena of active star formation, while their origin is due to the action of the disintegrant radiation of massive stars in the region, which over time has eroded the ancient molecular cloud. The galactic environment in which this nebula is situated is among the most complex known in the spiral arms of the Milky Way. Within a radius of only 500 parsecs from it there are in fact some of the most conspicuous objects of the southern sky. Among these is the Eta Carina Nebula , massive clusters Tr 14 and Tr 16 , and the bright cluster NGC 4755 (the famous Jewel Box Cluster).

Object details

Right Ascension 11:38:49 (h:m:s)
Declination -63:26:29 (deg:m:s)
Distance ~ 6.5 (кly)
Apparent Dimension ~75 (arc min)

Image details

Annotation

ASA 12"

Center of field RA 05:37:37 (h:m:s)
Center of field DE -63:23:36 (deg:m:s)
Size 57.2 x 42.7 (arcmin)
Pixel scale: 1.03 (arcsec/pixel)
Orientation: Up is -1.83 degrees E of N

DCA 16"

Center of field RA 11:38:49 (h:m:s)
Center of field DE -63:26:29 (deg:m:s)
Size 1.4 x 1.4 (deg)
Pixel scale: 1.23 (arcsec/pixel)
Orientation: Up is -178 degrees E of N
 
Charts and image details obtained from Astrometry.net
Optic(s): ASA 12" f 3,6 Astrograph (ASA)
Mount: ASA DDM85
Camera: FLI MicroLine 8300 CCD camera
Filters: Lum, Red, Green, Blue, Ha, OIII and SII Astrodon
Dates/Times: From 3 to17 of May 2013
Location: Namibia-TIVOLI ASTROFARM, S 23° 27' 40,9" / E 18° 01' 02,2"
Exp. Details: L:6x10min, R:5x10min, G:5x10min, B:5x10min, Ha:5x15min, OIII: 4x15min.
  Bin 1, Total Exposure Time - 390 min (6:30 hours)
More details: Dark and flat frames reduction
Processing: PixInsight / PS
Optic(s): 16" f3,75 Dream Corrected Astrograph (DCA)
Mount: Astelco NTM-500 direct drive mount
Camera: Apogee Alta U-16M CCD camera
Filters: Lum, Red, Green, Blue, Ha, OIII and SII Astrodon
Dates/Times: From 3 to17 of May 2013
Location: Namibia-TIVOLI ASTROFARM, S 23° 27' 40,9" / E 18° 01' 02,2"
Exp. Details: L:6x10min, R:4x10min, G:4x10min, B:4x10min,
  Bin 1, Total Exposure Time - 180 min (3:00 hours)
More details: Dark and flat frames reduction
Processing: PixInsight / PS
 
Copyright: Velimir Popov and Emil Ivanov 2013. All Rights Reserved
 
e-mail: info@irida-observatory.org
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