IC59 & IC63 Gamma Cass
Reflection nebula in the constellation Cassiopeia.
Reflection nebula in the constellation Cassiopeia.
The two nebulae IC 59 and IC 63 are located at a distance of about 600 light-years.
| Object: | IC59 & IC63 |
| Date of exposures: | 17.10.2023, 24.10.2023 |
| Distance: | 600 Lightyears |
| Exposures: | H-Alpha: 33 x 480 Sec. R/G/B: 178 x 180 Sec., Sum: 13,3 hrs. |
| Telescope: | 10'', F4 Newton |
| Focal length: | 1000mm |
| Filter: | Astrodon H-Alpha 5nm, Astrodon E-Series RGB |
| Camera: | ASI 1600 MMC Pro |
| Guiding: | Off Axis Guider, Lodestar |
| Mount: | EQ8 |
Only three to four light-years from these shines the hot, luminous star γ Cassiopeiae, whose energetic radiation reflects in the nebulae, causing them to glow partially but dissipate completely over time. IC 63 is closer to the star and glows more strongly in H-α light, as the star's UV radiation causes hydrogen to ionize. IC 59 shows proportionally less H-α emission due to its greater distance from the star, but appears more bluish due to that reflected in the dust.
Older collaboration project from 2015 with Frank Iwaszkiewicz (http://www.deep-sky-astroteam.de):
| Object: | IC59 & IC63 |
| Date: | 31.08.2015, 03.09.2015, 04.09.2015, 05.09.2015 |
| Exposure: | 33 x 1800 Sek. OIII, 24 x 1800 Sek. Ha und je 3 x R/G/B 360 Sek. Gesamt: 28 Std. |
| Telescope: | APM 107/700 |
| Addons: | 2,5 TS Flattener |
| Focal length: | 525 mm |
| Filter: | Astrodon H-Alpha 5nm, [OIII] 3nm, Astronomik Ha 6nm, Astronomik [OIII] 12nm |
| Camera: | Atik 460Exm |
| Guiding: | MGEN |
| Mount: | EQ8 |
The image appeared in the 12/2015 issue of the magazine "Sterne und Weltraum" as a reader image.
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