The Horsehead Nebula (H-Alpha)

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Description

The dark cloud of dust that is the familiar Horsehead Nebula is also known as Barnard 33. This dark clould stands out against the bright background of emitted light from the complex known as IC 434 that lies behind the Horsehead. IC 434 is illuminated by light from the nearby star Sigma Orionis (out of frame). For more detailed information regarding this object, click on the link to Rob Gendler's website near the bottom of this page.

Image Details

Target:	The Horsehead Nebula (IC 434, Barnard 33)
Coordinates (Center - J2000):	RA 5h 41m 13s ; Dec -2d 34m 48s
Date:	06 February 2007
Constellation:	Orion
Imaging Location:	Indialantic, Florida
Camera:	SBIG ST-8XME & CFW-10 Color Filter Wheel
Filters:	Astrodon H-Alpha
Telescope:	Takahashi TSA-102S 4" APO Triplet f/8 (FL = 814mm)
Mount:	Takahashi EM-200 Temma II GEM (12 VDC)
Image Scale:	2.28 arcseconds per pixel
CCD Temperature:	-20 C
H-Alpha Exposures:	135 minutes (15 min. sub-exposures)
Mount Control Software:	The Sky 6.0.0.52
Camera Control Software:	CCDSoft 5.00.182
Focus Control Software:	FocusMax 3.3.15
Executive Control Software:	CCD Commander 1.4.5
Image Evaluation Software:	CCDInspector
Calibration and Stacking Software:	CCDStack
Color Combining and Final Processing Software:	Photoshop CS

Additional Details

Description of the Horsehead Nebula (By Rob Gendler):

http://www.robgendlerastropics.com/HorseheadNebulatext.html