Search found 3 matches
- Tue Apr 17, 2007 3:08 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Red Square Nebula (APOD 16 April 2007)
- Replies: 25
- Views: 16278
Re: red square nebula image has artifacts
Perhaps you are not accustomed to looking at images which have been processed to enhance specific detail ... What structures shown in the image do you see as possibly false, and how would that affect the interpretation that we are seeing two cones of material? I don't doubt the validity of the conc...
- Mon Apr 16, 2007 10:56 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Red Square Nebula (APOD 16 April 2007)
- Replies: 25
- Views: 16278
Re: red square nebula image has artifacts
[quote="Chris Peterson"] This image has obviously been heavily processed to bring out detail, and such processing often emphasize otherwise more subtle optical artifacts like these.[/quote] I would conclude that the details of the image which we are looking for are as subtle as the optical...
- Mon Apr 16, 2007 4:13 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Red Square Nebula (APOD 16 April 2007)
- Replies: 25
- Views: 16278
red square nebula image has artifacts
This image has a lot of distortion (stars near the edges are elongated), and five of the bright stars show hexagonal spike pattern, possibly artifact of the optics. Can anybody comment on these artifacts?