IC1805
"The Heart
Nebula"
Constellation- Cassiopeia
Right Ascension: 02h 33m 08 s
Declination: +61° 27' 25"
Distance: 2500 light
years
Visual Brightness: 6.5
mag
Apparent Dimension: 50x44
arc minutes
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Image information-
Date taken-Sept 12, 2005
Telescope/Focal
length/Camera/Temperature- Takahashi FS-78 @ f/8.1, ST-8XE NABG @ -15C, on a
NexStar11 GPS autoguided with CCDSoft Ver. 5.0
Integrations- Ha =11 x 900 seconds binned 1x1
Processing- Flats and
darks, aligned and combined in CCDsoft Ver 5.0, unsharp mask in Astroart 2.0,
levels and curves in Photoshop CS