27 December 2015

                        IC 59 & IC 63                       

 By     Frank Iwaszkiewicz
( www.deep-sky-astroteam.de )

  Cooperation by Jens Zippel & Frank Iwaszkiewicz

Location/ Date:
Eggersdorf & Bremen, GER / 31.August & 03.+ 04.+ 05. September 2015
Telescope/ Lens:
APM 107/750 Ricardi Reducer 525, f/4,9 & 10" ONTC Newton f/4
Celestron CGE, EQ8
Atik 383L+, Atik 460Exm
Exposure time:
14x 1800" Astronomik Ha 6nm, 10x 1800" Astrodon Ha 5nm
15x 1800" Astronomik [OIII]12nm, 15x 1800" Astrodon [OIII]3nm
3x 360" Astrodon  RGB each
Total exposure:
27,9 hours

Looking toward the constellation Cassiopeia, the colorful skyscape features the swept back, comet-shaped clouds IC 59 (left)
 and IC 63. About 600 light-years distant, the clouds aren't actually melting, but they are slowly dissipating under the influence of
ionizing ultraviolet radiation from hot,luminous star gamma Cas. Gamma Cas is physically located only 3 to 4 light-years from the nebulae,
 just off the upper right edge of the frame. In fact, slightly closer to gamma Cas, IC 63 is dominated by red H-alpha light emitted as the
 ionized hydrogen atoms recombine with electrons. Farther from the star, IC 59 shows proportionally less H-alpha emission but more
of the characteristic blue tint of dust reflected star light. The field of view spans about 1 degree or 10 light-years at the estimated distance of gamma Cas and friends.
Image recording & processing:
Jens Zippel, Frank Iwaszkiewicz  



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