[AZ-Observing] Re: M42 (The Orion Nebula)
- From: Michael Collins <cal_donley@xxxxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Mon, 12 Feb 2018 15:38:11 -0700
On 02/12/18 15:19, Bernard Miller wrote:
- The larger stars in the image have "starburst" effect. Is this an
artifact of long exposure times, the filters used, or something else?
I think this is an effect produced by the brightness of the star together
with the surrounding nebulosity. The filters may also play a part.
One might guess the question referred to diffraction spikes caused by
the secondary support vanes.
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