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Messier 1 (Crab Nebula)

Uploaded by EPinNC , Jan 24 2022 07:52 AM

Owner: EPinNC (View all images and albums)
Uploaded: Jan 24 2022 07:52 AM
Taken: 2022:01:24 07:46:17
Views: 486
Album: Tracked Telescope and Camera/Lens Images

Better image here

Acquisition:

Bortle 7 skies
Nikon D7000 camera
Orion Apex 102mm telescope, 1300mm focal length
Orion AstroView EQ3 with single-axis drive
30s x 214 frames
f/12.7
ISO 800

Processing:

Siril:

Background extraction
Photometric color calibration
Asinh transformation
Manual histogram adjustment

RawTherapee:

Chroma and luminance denoising
Color curve adjustment
Black point and brightness adjustments

GIMP:

Color curve adjustment

hemacp likes this

Image META information

COMPUTED.UserCommentEncoding	UNDEFINED
COMPUTED.Copyright	Siril v0.99.10.1
COMPUTED.Thumbnail.Height	201
COMPUTED.Thumbnail.Width	256
THUMBNAIL.NewSubFile	1
THUMBNAIL.ImageWidth	256
THUMBNAIL.ImageLength	201
THUMBNAIL.PhotometricInterpretation	6
THUMBNAIL.SamplesPerPixel	3
COMMENT.0	Crop (x=939, y=577, w=2800, h=2200) Background extraction (Correction: Subtraction) Photometric CC Asinh Transformation: (stretch= 400.0, bp=0.00000) Histogram Transf. (mid=0.118, lo=0.076, hi=1.000)
File Name	gallery_361082_16772_2196202.jpg
Unix Timestamp	1643028763
Original File Size	6589689
File Type	2
Mime Type	image/jpeg
Sections Found	ANY_TAG, IFD0, THUMBNAIL, COMMENT, EXIF
HTML Sizes	width="2800" height="2200"
Image Height	2200
Image Width	2800
Color	TRUE
Byte Order Motorola	FALSE
Thumbnail File Type	2
Thumbnail Mime Type	image/jpeg
Image Description	Crop (x=939, y=577, w=2800, h=2200) Background extraction (Correction: Subtraction) Photometric CC Asinh Transformation: (stretch= 400.0, bp=0.00000) Histogram Transf. (mid=0.118, lo=0.076, hi=1.000)
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	2022:01:24 07:46:17
Copyright	Siril v0.99.10.1
Thumbnail Compression	JPEG Compression
Thumbnail JPEG Interchange Format	762
Thumbnail JPEG Interchange Format Length	10083
Image Length	2200

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Messier 1 (Crab Nebula)

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