Sharpless 2-155 - The Cave Nebula

A narrowband (Hubble Palette) view of an emission nebula in Cepheus; part of an ionized HII region within a larger complex containing emission, reflection and dark nebulae. About 2400 light-years away, on the edge of the Cepheus molecular cloud.

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File information
Filename:	Sh2-155-HOS-20200925C.jpg
Album name:	27telp / Nebulae
Location and Date:	OCA Site near Anza, California, September 25, 2020
Equipment:	Image Capture: William Optics FLT-132 refractor, Astro-Physics 1200GTO mount, ZWO ASI1600mm CMOS camera, Sequence Generator Pro; Guiding - Starlight Express Ultrastar, Borg 50mm scope
Settings:	Hydrogen-alpha - 15 exposures, Oxygen-III - 14, Sulfur-II - 15, all bin1 @ 300 seconds
Notes:	Software: Sequence Generator Pro for image capture, PhD2 for Guiding; CCDStack2 for calibration and registration; Adobe Photoshop CC for final color combining and refinement
Filesize:	2559 KiB
Date added:	Dec 22, 2021
Dimensions:	2037 x 1540 pixels
Displayed:	297 times
Color Space:	sRGB
EXIF Offset:	172
EXIF Version:	version 2.31
Resolution Unit:	Inch
Software:	Adobe Photoshop Lightroom Classic 11.1 (Windows)
X Resolution:	240 dots per ResolutionUnit
Y Resolution:	240 dots per ResolutionUnit
URL:	http://www.slithergadee.net/coppergallery/displayimage.php?pid=1660
Favorites:	Add to Favorites

Debug Info

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Event Horizon - Astronomical and Terrestrial Images

Sharpless 2-155 - The Cave Nebula

A narrowband (Hubble Palette) view of an emission nebula in Cepheus; part of an ionized HII region within a larger complex containing emission, reflection and dark nebulae. About 2400 light-years away, on the edge of the Cepheus molecular cloud.