Image of the day

Captured by
Bruce Karbal

WR 134

My Account

New to Astromart?

Register an account...

Need Help?

California widefield image

California widefield


Acquisition Details
  • Number of frames:
  • FPS:
  • Focal length:
  • CMI/CMII/CMIII:
Description

A widefield image of the California Nebula in H alpha, taken to find its full extent. Burnhams Handbook gives an angular size of about 2 1/2 degrees for the nebula, but the nebulosity here covers over 6 degrees. Nikon 180mm lens, STL6303 camera, Barr Associates 4nm Ha filter. Nine hours exposure, processing in Maxim.