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Acquisition: Bortle 7 skies Nikon D5600 camera (unmodified) ISO 200 Astro-Tech AT102ED refractor, 714mm focal length, f/7 HoTech 2" SCA field flattener (1X) iOptron CEM26 mount 30s x 180 frames (1h 30m) Processing: Siril 1.2.1: Crop to 4800 x 3600px BQ Octantis' procedure (starting here ) of white balance, background subtraction, histogram conditioning, and black clipping StarNet star desaturation Synthetic blue channel (B=2*G-R) Modified arcsinh stretch (6X) Background extraction RawTherapee 5.9: L*a*b chrominance/luminance noise reduction (to reduce background chroma noise) Luminance noise reduction GIMP 2.10: Luminance curve Reduction of cyan saturation Saturation
Image META information
COMPUTED.Copyright
Siril v1.2.3
COMPUTED.Thumbnail.Height
192
COMPUTED.Thumbnail.Width
256
IFD0.ICC_Profile
THUMBNAIL.NewSubFile
1
THUMBNAIL.ImageWidth
256
THUMBNAIL.ImageLength
192
THUMBNAIL.PhotometricInterpretation
6
THUMBNAIL.SamplesPerPixel
3
File Name
gallery_361082_16772_27689602.jpg
Unix Timestamp
1725063372
Original File Size
29265065
File Type
2
Mime Type
image/jpeg
Sections Found
ANY_TAG, IFD0, THUMBNAIL
HTML Sizes
width="4800" height="3600"
Image Height
3600
Image Width
4800
Color
TRUE
Byte Order Motorola
FALSE
Thumbnail File Type
2
Thumbnail Mime Type
image/jpeg
Orientation
The 0th row is at the visual top of the image, and the 0th column is the visual left-hand side
X-Resolution
300/1
Y-Resolution
300/1
Resolution Unit
2
Software
GIMP 2.10.28
Date Taken
2024:08:30 15:41:22
Copyright
Siril v1.2.3
Thumbnail Compression
JPEG Compression
Thumbnail JPEG Interchange Format
1060
Thumbnail JPEG Interchange Format Length
12887
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