Sh2-290 - Planetary Nebula in Cancer

Also known as Abell 31 and PK 219+31.1. Ancient planetary nebula, about 2000 light-years away, one of the largest in the sky but very dim.

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File information
Filename:	Sh2-290_20250323_FLT132_ASI1600_RGB2.JPG
Album name:	27telp / Nebulae
Location and Date:	Sybaris Observatory, OCA site near Anza, California, 3/23/2025
Equipment:	William Optics FLT-132 refractor, ZWO ASI1600MM camera, Astro-Physics 1200GTO mount, Borg 50mm guidescope, Starlight Xpress Ultrastar guide camera, ZWO EAF focuster
Settings:	10 5-minute exposures in each of Luminance, Red, Green and Blue filters, bin 1x1
Notes:	Software: Capture, Sequence Generator Pro; guiding - PHD2; processing - PixInsight 1.9.3, Adobe Lightroom
Filesize:	2405 KiB
Date added:	Jul 10, 2025
Dimensions:	1990 x 1690 pixels
Displayed:	419 times
Color Space:	sRGB
EXIF Offset:	382
EXIF Version:	version 2.31
Image Description:	Also known as Abell 31 and PK 219+31.1. Ancient planetary nebula, about 2000 light-years away, one of the largest in the sky but very dim.
Resolution Unit:	Inch
Software:	Adobe Photoshop Lightroom Classic 14.2 (Windows)
X Resolution:	240 dots per ResolutionUnit
Y Resolution:	240 dots per ResolutionUnit
IPTC Title:	Sh2-290 - Planetary Nebula in Cancer
IPTC Copyright:	J. L. Floyd © 2025
URL:	http://www.slithergadee.net/coppergallery/displayimage.php?pid=2100
Favorites:	Add to Favorites

Debug Info

Debug Output: show / hide

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==========================

Event Horizon - Astronomical and Terrestrial Images

Sh2-290 - Planetary Nebula in Cancer

Also known as Abell 31 and PK 219+31.1. Ancient planetary nebula, about 2000 light-years away, one of the largest in the sky but very dim.