IC59 & IC63 (Sergiy_Vakulenko)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 27 gam Cas · IC 59 · IC 63 · Sh2-185 · The star Navi (γCas) · gamma Cas nebula

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IC59 & IC63

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IC59 & IC63

IC 59 and IC 63 are faint reflection and emission nebula located in the northern constellation of Cassiopeia. They are challenging objects to spot with telescopes for a number of reasons. Both nebulae are faint at apparent mag. +10, they have extremely low surface brightness and surround bright variable star gamma Cas (γ Cas). This remarkable star is partly unstable and is known as a "shell star". It currently shines at mag. +2.15, making it the brightest star in Cassiopeia.

IC 59 and IC 63 are 610 light-years distant. From our perspective, IC 59 is located on the northern side of gamma Cas and IC 63 to the northeast. Spatially the nebulae are roughly 3 light-years from gamma Cas, although IC 63 is slightly closer to the star. As a result, it's appears mostly red due to a dominance of H-alpha emission, whereas IC 59 exhibits much less H-alpha emission and appears mostly blue due to dust reflected starlight.

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Description: Fixed strong reflection from Gamma Cas.

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Sharpless2 Objects
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Status	Advanced success
Started	...
Astrometry.net job	2591171
PixInsight job	WOL954ZHQYNKI3QEZ3R57B2HRHCQH239
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	00h59m28s.90
RA (top/left)	00h53m17s.10
RA (top/right)	00h53m31s.56
RA (bottom/right)	01h05m22s.34
RA (bottom/left)	01h05m40s.32

Dec (center)	+61°15′02″.1
Dec (top/left)	+61°58′18″.3
Dec (top/right)	+60°30′51″.6
Dec (bottom/right)	+60°30′40″.3
Dec (bottom/left)	+61°57′59″.9

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IC59 & IC63

IC59 & IC63

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IC59 & IC63

IC59 & IC63

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