Sun Gallery - old works

2003.10.18

Comparison Baader d=5 solar foil with IR-pass filter and IR-cut filter:

With IR-pass filter

With IR-cut filter

15.07.2003

Object: Sun, solar region 10409
Location: 51:53:13n 08:45:23e, Paderborn/Germany
Time/Date: 15.07.2003, 17:12
Conditions: seeing 4/10, transparency 8/10
Scope: 4"/f10 MTO-11CA russian maksutov on Vixen New Polaris
Filter: Baader solar film and Baader IR/UV cut
Camera: Philips ToUcam 740 pro in prime focus
Capure software: Philips VRecord
Capture settings: I420 codec, 640x480pixels, 5frames/sec, 1/500s shutter speed, gain off, brightness 1/3, gamma turned down, saturation turned down
Processing: Registax: alignment, stacking, wavelet processing with linear layers
Postprocessing: cropping in Photoshop, unsharp mask

Object: Sun, sunspot group 375 (?)
Location: 51:53:13n 08:45:23e, Paderborn/Germany
Time/Date: 13.07.2003, 15:01
Conditions: seeing 3/10, transparency 6/10
Scope: 4"/f10 MTO-11CA russian maksutov on Vixen New Polaris
Filter: Baader solar film and Baader IR/UV cut
Camera: Philips ToUcam 740 pro in prime focus
Capure software: Philips VRecord
Capture settings: I420 codec, 640x480pixels, 5frames/sec, 1/500s shutter speed, gain off, brightness 1/3, gamma turned down, saturation turned down
Processing: Registax, 101 of 1132 frames stacked, wavelet processing
Postprocessing: cropping in Photoshop, mild unsharp mask