IC 405 (Flaming Star Nebula)

IC 405 (also catalogued as SH 2-229, or Caldwell 31) is an emission/reflection nebula in the constellation Auriga, surrounding the irregular variable star AE Aurigae and is located near the emission nebula IC 410. IC 405 is lit by radiation received from AE Aurigae, which gives its red color,while the blue patches are due to reflection of the star's blue light on the dark dust.



Object Details:

Object: IC 405 (Sh2-229, Caldwell 31)
Constellation: Auriga
Center of field: RA: 5h 16m 08 s Dec: +34° 27' 45"
Field dimensions: Ca 60 x 90 '


Technical Details:

Optics: 12" ASA Astrograph at F/3.6
Mount: ASA DDM 85
Camera: SBIG STL-11000M
Filters: Astronomik LRGB filters, Baader 8nm Ha filter, 8nm OIII filter
Dates/Times: Ha & LRGB - 4 November 2011, OIII data from January 2011
Location: Rozhen, Varna
Exposure Details: L = 60 min, R,G,B = 30 min. each; Ha = 90 min, O III =
Subexposures: LRGB 10 minutes, Ha, = 15 minutes, OIII = 150 min.
Acquisition: CCD Soft
Processing: PixInsight, Photoshop CS

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