Andy Elliott
Well-Known Member
I’m sure that I’m not alone when I say that I have found the weather so far this year to be dire for astrophotography, with what seems endless cloud and rain here in the UK; and any opportunity for a full night’s imaging session have been rare. Viewing limitations also mean that most of the time it is not possible to stay on the same target for more than a few hours.
So, to get the most out of these rare longer imaging sessions when they do occur, I have recently made a couple of additions to my imaging rig; namely, an electronic rotator so that I can properly frame between different targets; and a filter drawer so that I can include some dual band imaging in Ha/OIII with my OSC camera.
The image shows a blue reflection nebula, catalogued as VdB 152 or Ced 20, which is radiated by a white-blue star. It lies at the tip of the long dark nebula, Barnard 175, which itself forms part of a dusty complex, LBN 528, also known as Wolf's Cave. Towards the upper right lies the planetary nebula PK111+11.1; and filamentous Ha nebulosity belonging to a super-nova remnant flows across the image.
The main imaging was undertaken using my OSC colour camera (ASI2600MC pro): 370 x 150s exposures. Exposures for the stars was 20 x 30s
In an attempt to enhance the hydrogen Ha and OIII signal, I included 120 x 150s of data captured using the Askar Colour Magic C1 Duo Band Ha/OIII filter.
Thanks for looking.
The full res image can be found here: https://astrob.in/25xkdt/0/
So, to get the most out of these rare longer imaging sessions when they do occur, I have recently made a couple of additions to my imaging rig; namely, an electronic rotator so that I can properly frame between different targets; and a filter drawer so that I can include some dual band imaging in Ha/OIII with my OSC camera.
The image shows a blue reflection nebula, catalogued as VdB 152 or Ced 20, which is radiated by a white-blue star. It lies at the tip of the long dark nebula, Barnard 175, which itself forms part of a dusty complex, LBN 528, also known as Wolf's Cave. Towards the upper right lies the planetary nebula PK111+11.1; and filamentous Ha nebulosity belonging to a super-nova remnant flows across the image.
The main imaging was undertaken using my OSC colour camera (ASI2600MC pro): 370 x 150s exposures. Exposures for the stars was 20 x 30s
In an attempt to enhance the hydrogen Ha and OIII signal, I included 120 x 150s of data captured using the Askar Colour Magic C1 Duo Band Ha/OIII filter.
Thanks for looking.
The full res image can be found here: https://astrob.in/25xkdt/0/
