Trying to cobble together a primitive slit grating spectrometer. 25 micron grating, 100 l/mm grating, 40mm eyepiece, 50mm f4.8 EvoGuide apo refractor.
Image META information
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4mm |
| COMPUTED.UserCommentEncoding |
UNDEFINED |
| IFD0.ImageWidth |
3072 |
| IFD0.ImageLength |
2048 |
| IFD0.PhotometricInterpretation |
2 |
| IFD0.SamplesPerPixel |
3 |
| EXIF.ShutterSpeedValue |
387114/65536 |
| EXIF.ApertureValue |
262144/65536 |
| EXIF.FocalPlaneXResolution |
3072000/892 |
| EXIF.FocalPlaneYResolution |
2048000/595 |
| EXIF.FocalPlaneResolutionUnit |
2 |
| EXIF.CustomRendered |
0 |
| INTEROP.RelatedImageWidth |
3072 |
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2048 |
| 1#090 |
%G |
| IPTC.DateCreated |
20231106 |
| IPTC.TimeCreated |
211518+0000 |
| File Name |
gallery_12141_11983_89971.jpg |
| Unix Timestamp |
1699319391 |
| Original File Size |
180194 |
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2 |
| Mime Type |
image/jpeg |
| Sections Found |
ANY_TAG, IFD0, THUMBNAIL, EXIF, INTEROP |
| HTML Sizes |
width="640" height="251" |
| Image Height |
251 |
| Image Width |
640 |
| Color |
TRUE |
| Byte Order Motorola |
FALSE |
| Aperture F-Number |
f/4.0 |
| Thumbnail File Type |
2 |
| Thumbnail Mime Type |
image/jpeg |
| Camera Make |
Canon |
| Camera Model |
Canon EOS DIGITAL REBEL |
| Orientation |
The 0th row is at the visual top of the image, and the 0th column is the visual left-hand side |
| X-Resolution |
1800000/10000 |
| Y-Resolution |
1800000/10000 |
| Resolution Unit |
2 |
| Software |
Adobe Photoshop Elements 19.0 (Windows) |
| Date Taken |
2023:11:06 21:15:18 |
| YCbCr Positioning |
centered |
| Thumbnail Compression |
JPEG Compression |
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72/1 |
| Thumbnail Y-Resolution |
72/1 |
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2 |
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1210 |
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3601 |
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1/60 |
| F Number |
40/10 |
| ISO Speed Ratings |
1600 |
| Exif Version |
0221 |
| Date Digitized |
2023:11:06 21:15:18 |
| Compressed bits/pixel |
3/1 |
| Exposure Bias Value |
0/3 |
| Max Aperture Value |
236894/65536 |
| Metering Mode |
Pattern |
| Flash |
Flash fired, compulsory flash mode |
| Focal Length |
18/1 |
| Flash Pix Version |
Flashpix Format Version 1.0 |
| Color Space |
sRGB |
| Image Length |
251 |
| Interoperability Offset |
1060 |
| Sensing Method |
One-chip color area sensor |
| Exposure Mode |
Auto exposure |
| White Balance |
Auto white balance |
| Scene Capture Type |
Standard |
| Inter-operability Index |
R98 |
| Inter-operability Version |
0100 |
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