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Messier 104 (Sombrero Galaxy)

Uploaded by EPinNC , May 30 2022 12:10 PM

Owner: EPinNC (View all images and albums)
Uploaded: May 30 2022 12:10 PM
Taken: 2022:05:21 17:55:59
Views: 418
Album: Tracked Telescope and Camera/Lens Images

Acquisition:

Bortle 7 skies
Nikon D7000 camera
Orion Apex 102mm telescope, 1300mm focal length
iOptron CEM26 mount
30s x 241 frames
f/12.7
ISO 400

Processing:

Siril:

Background extraction
Photometric color calibration*
Asinh transformation
Manual histogram stretching

* For galaxies, I have been using manual calibration (background neutralization on star-free area and color calibration on the core), but for some reason I liked photometric color calibration for this target.

RawTherapee:

Luminance and chroma denoising

GIMP:

Levels
Luminance curve adjustment
Slight color temperature adjustment
Slight black point adjustment

COMPUTED.Copyright	Siril v1.0.2
1#090	%G
IPTC.CopyrightNotice	Siril v1.0.2
File Name	gallery_361082_16772_2669688.jpg
Unix Timestamp	1653930618
Original File Size	4943895
File Type	2
Mime Type	image/jpeg
Sections Found	ANY_TAG, IFD0, EXIF
HTML Sizes	width="2500" height="2000"
Image Height	2000
Image Width	2500
Color	TRUE
Byte Order Motorola	TRUE
Orientation	The 0th row is at the visual top of the image, and the 0th column is the visual left-hand side
X-Resolution	72/1
Y-Resolution	72/1
Resolution Unit	2
Software	GIMP 2.10.28
Date Taken	2022:05:21 17:55:59
Copyright	Siril v1.0.2
Image Length	2000

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Messier 104 (Sombrero Galaxy)

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