B33 Horsehead in narrowband

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B33 Horsehead in narrowband

First real narrowband image. Strange reflections of the primary, secondary and spider in Ha and OIII images, as well as flats.
Mappings were OHS and HOS. SII didn’t add much to either image but object is strong in Ha and OIII.

Object ID B33 in IC343
Details 2019-01-13
Telescope 250mm f4.8 Newtonian
MPCC
Guided PHD2
Camera Atik 460EX
Baader Ha, OIII, SII filters
Exposure(s) 15x200s 2×2 each filter
15 each of darks, flats, bias
Capture APT
Processing Nebulosity and Photoshop
Colour mapping:
OHS: OIII, Ha, SII
HOS: Ha, OIII, SII.
By |2019-01-14T16:26:53+00:0014 January 2019|Categories: Dark nebula, Narrowband, Nebula, News, NGC Winter|0 Comments

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