NGC 3521, "flocculent" spiral galaxy in Leo

NGC 3521 is termed a "flocculent" spiral galaxy because it has patches or clumps of stars breaking up the continuity of the spiral arms. Self-propagating star formation is thought to account for the patchiness. The galaxy lies about 26 million light-years away from us.

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File information
Filename:	NGC3521_LHARGB1.jpg
Album name:	27telp / Galaxies
Location and Date:	OCA site near Anza, California - April 1, 2022
Equipment:	William Optics FLT-132 refractor, Astro-Physics 1200GTO mount, ZWO ASI1600mm CMOS camera, Mini-Borg 50 guide scope, Starlight Express Ultrastar guide camera
Settings:	12 exposures @300 seconds each in Luminance, Red, Green, Blue and Hydrogen-alpha, bin 1x1
Notes:	Software: Capture, Sequence Generator Pro; guiding, PHD2; Calibration and stacking, CCDStack2; Final processing - PixInsight 1.8.9 and Photoshop CC
Filesize:	2195 KiB
Date added:	May 24, 2022
Dimensions:	2048 x 1537 pixels
Displayed:	259 times
Color Space:	sRGB
EXIF Offset:	172
EXIF Version:	version 2.31
Resolution Unit:	Inch
Software:	Adobe Photoshop Lightroom Classic 11.2 (Windows)
X Resolution:	240 dots per ResolutionUnit
Y Resolution:	240 dots per ResolutionUnit
URL:	http://www.slithergadee.net/coppergallery/displayimage.php?pid=1675
Favorites:	Add to Favorites

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Event Horizon - Astronomical and Terrestrial Images

NGC 3521, "flocculent" spiral galaxy in Leo

NGC 3521 is termed a "flocculent" spiral galaxy because it has patches or clumps of stars breaking up the continuity of the spiral arms. Self-propagating star formation is thought to account for the patchiness. The galaxy lies about 26 million light-years away from us.