The Tribble Nebulae NGC1624/Sh2-212 and Sh2-211

2021-12-08T09:23:22+00:0016 November 2021|Dark nebula, Nebula, News, NGC Autumn, Open Cluster|

An obscure one in Perseus. The larger is open cluster inside an emission nebula NGC 1624, also known as emission nebula Sh2-212, the smaller Sh2-211. Now known as the Tribble Nebulae after “Star Trek: The Trouble with Tribbles”. The dark patch top right is the dark nebula Barnard 20.

Object IDThe Tribble Nebulae NGC1624/Sh2-212 and Sh2-211
Dark nebula Barnard 20
DetailsOpen Clusters
Emission nebulae
Perseus
2021-11-12
Telescope250mm f4.8 Newtonian
MPCC
Tri-band
CameraQHY168C @-15°C
Exposure(s)15x300s
d,f,b
CaptureNINA
ProcessingAPP, Photoshop

B33 Horsehead in narrowband

2019-01-14T16:26:53+00:0014 January 2019|Dark nebula, Narrowband, Nebula, News, NGC Winter|

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 IDB33 in IC343
Details2019-01-13
Telescope250mm f4.8 Newtonian
MPCC
Guided PHD2
CameraAtik 460EX
Baader Ha, OIII, SII filters
Exposure(s)15x200s 2×2 each filter
15 each of darks, flats, bias
CaptureAPT
ProcessingNebulosity and Photoshop
Colour mapping:
OHS: OIII, Ha, SII
HOS: Ha, OIII, SII.