Update Mars rover images: 495,682 total (247,841 Perseverance, 247,841 Curiosity)

README.md

@@ -51,29 +51,29 @@ This dataset is suitable for **tabular classification** tasks.
 | Column | Type | Description | Sample | Null % |
 |--------|------|-------------|--------|--------|
 | `id` | Int64 | NASA-assigned unique integer image ID; monotonically increasing per mission | 1376809 | 0.0% |
-| `mission` | str | Mission identifier: "mars2020" (Perseverance, Jezero Crater, landed Feb 18 2021) or "msl" (Curiosity, Gale Crater, landed Aug 6 2012) | mars2020 | 0.0% |
+| `mission` | str | Mission identifier: "mars2020" (Perseverance, Jezero Crater, landed Feb 18 2021) or "msl" (Curiosity, Gale Crater, landed Aug 6 2012) | msl | 0.0% |
 | `sol` | Int64 | Martian solar day since rover landing (sol 0 = landing date, ~1.0275 Earth days per sol) | 4305 | 0.0% |
 | `instrument` | str | Camera instrument name (e.g. "FRONT_HAZCAM_LEFT_A", "NAVCAM_LEFT", "MCZ_RIGHT", "MASTCAM_LEFT"; null rare) | MAST_RIGHT | 0.0% |
 | `date_taken` | str | UTC datetime when image was captured on Mars | 2024-09-15T09:31:32.000Z | 0.0% |
 | `date_received` | str | UTC datetime when image was received on Earth via Deep Space Network | 2024-09-16T18:31:47.000Z | 0.0% |
-| `site` | Int64 | Terrain site index along the rover traverse; increments when the rover drives to a new location | 108 | 49.8% |
-| `drive` | Int64 | Drive sequence number within a site; tracks individual driving sessions | 2528 | 49.8% |
-| `rover_x` | float64 | Rover X position in local site frame (meters); coordinate origin at site establishment point | -69.7806 | 49.8% |
-| `rover_y` | float64 | Rover Y position in local site frame (meters) | -30.7345 | 49.8% |
-| `rover_z` | float64 | Rover Z position in local site frame (meters); typically near zero on flat terrain | -3.16259 | 49.8% |
-| `mast_azimuth` | float64 | Remote sensing mast azimuth angle in degrees (0-360, clockwise from north) | 89.9076 | 49.8% |
-| `mast_elevation` | float64 | Remote sensing mast elevation angle in degrees; positive = above horizon, negative = below | -28.6214 | 49.8% |
+| `site` | Int64 | Terrain site index along the rover traverse; increments when the rover drives to a new location | 108 | 50.0% |
+| `drive` | Int64 | Drive sequence number within a site; tracks individual driving sessions | 2528 | 50.0% |
+| `rover_x` | float64 | Rover X position in local site frame (meters); coordinate origin at site establishment point | -69.7806 | 50.0% |
+| `rover_y` | float64 | Rover Y position in local site frame (meters) | -30.7345 | 50.0% |
+| `rover_z` | float64 | Rover Z position in local site frame (meters); typically near zero on flat terrain | -3.16259 | 50.0% |
+| `mast_azimuth` | float64 | Remote sensing mast azimuth angle in degrees (0-360, clockwise from north) | 89.9076 | 50.0% |
+| `mast_elevation` | float64 | Remote sensing mast elevation angle in degrees; positive = above horizon, negative = below | -28.6214 | 50.0% |
 | `sample_type` | str | Image sampling mode: "full" (full-resolution), "subframe" (cropped region), "thumbnail" (reduced-resolution preview) | thumbnail | 0.0% |
-| `local_mean_solar_time` | str | Local Mean Solar Time at image capture (format "sol HH:MM:SS"); approximates the position of the sun in the sky | Sol-04306M12:32:28.094 | 49.8% |
+| `local_mean_solar_time` | str | Local Mean Solar Time at image capture (format "sol HH:MM:SS"); approximates the position of the sun in the sky | Sol-04306M12:32:28.094 | 50.0% |
 | `image_url` | str | Direct HTTPS URL to download the raw image from the NASA Mars Raw Images server | https://mars.nasa.gov/msl-raw-images/... | 0.0% |
 | `is_thumbnail` | bool | True if this row represents a thumbnail image (lower resolution preview), False for full/subframe images | True | 0.0% |
 | `title` | str | Human-readable image title composed from instrument, sol, and sequence identifiers; may be null | Sol 4305: Mast Camera (Mastcam) | 0.0% |
 
 ## Quick stats
 
-- **490,358** total images
-- **245,179** Perseverance images (through sol 4,973)
-- **245,179** Curiosity images (through sol 4,973)
+- **495,682** total images
+- **247,841** Perseverance images (through sol 4,980)
+- **247,841** Curiosity images (through sol 4,980)
 - **11** camera instruments
 
 ## Usage

data/mars_rover_images.parquet

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