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Messier 3

Uploaded by EPinNC , May 10 2022 09:39 AM

Owner: EPinNC (View all images and albums)
Uploaded: May 10 2022 09:39 AM
Taken: 2022:05:10 10:33:56
Views: 315
Album: Tracked Telescope and Camera/Lens Images

Compare with this, my first DSO on an equatorial mount

Acquisition:

Bortle 7 skies
Nikon D7000 camera
Orion Apex 102mm telescope, 1300mm focal length
iOptron CEM26 mount
30s x 96 frames
f/12.7
ISO 400

Processing:

Siril:

Background extraction
Photometric color calibration
Asinh transformation
Manual histogram stretching

RawTherapee:

Very slight sharpening
Luminance and chroma denoising

GIMP:

Luminance curve adjustment
Black point adjustment
Slight saturation increase
Very slight temperature reduction

COMPUTED.Copyright	Siril v1.0.1
1#090	%G
IPTC.CopyrightNotice	Siril v1.0.1
File Name	gallery_361082_16772_6200073.jpg
Unix Timestamp	1652193569
Original File Size	7727669
File Type	2
Mime Type	image/jpeg
Sections Found	ANY_TAG, IFD0, EXIF
HTML Sizes	width="3000" height="2500"
Image Height	2500
Image Width	3000
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	2022:05:10 10:33:56
Copyright	Siril v1.0.1
Image Length	2500

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Messier 3

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