{
  "reviewed": "2026-10-25",
  "assets": [
    {
      "id": "m42-hubble",
      "download": "https://assets.science.nasa.gov/content/dam/science/missions/hubble/releases/2006/01/STScI-01EVT7X0BR54ZWDP1AG2DA54RA.tif/jcr:content/renditions/6000x6000.jpg",
      "sourceWidth": 6000,
      "sourceHeight": 6000,
      "width": 6.0,
      "height": 6.0,
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      "adaptation": "Aspect-preserving downsample to at most 2200 px, JPEG quality 93; no crop, recoloring, compositing or invented structures.",
      "target": "M42 / Orion Nebula, with M43",
      "labelKo": "허블·ESO 광역 관측",
      "source": "https://science.nasa.gov/asset/hubble/hubbles-sharpest-view-of-the-orion-nebula/",
      "additionalSource": "https://esahubble.org/images/heic0601a/",
      "observations": [
        {
          "facility": "Hubble / ACS",
          "dates": "2004-10 to 2005-04"
        },
        {
          "facility": "ESO / La Silla 2.2m WFI",
          "dates": "2001-12-11"
        }
      ],
      "released": "2006-01-11",
      "coverage": {
        "kind": "wide-field mosaic",
        "fieldArcmin": [
          30.03,
          30.03
        ],
        "scopeKo": "밝은 M42와 M43를 포함하는 광역 모자이크. 거대 오리온 분자운 전체가 아님. ESO 지상 관측도 포함."
      },
      "filtersAndDisplayColors": {
        "blue": [
          "ACS F435W",
          "ESO BB#B/99_ESO842"
        ],
        "green": [
          "ACS F555W",
          "ESO NB#OIII/8_ESO859"
        ],
        "red-orange": [
          "ACS F658N"
        ],
        "red": [
          "ACS F775W",
          "ACS F850LP",
          "ESO NB#Halpha/7_ESO856",
          "ESO NB#SIIr/8_ESO857"
        ]
      },
      "colorCaveatKo": "가시광·근적외선 필터에 표시색을 배정한 합성. 맨눈 그대로의 색이나 실시간 영상이 아님.",
      "credit": "NASA, ESA, Hubble Space Telescope Orion Treasury Project Team, Massimo Robberto (STScI, ESA)",
      "license": {
        "name": "NASA imagery/media usage guidelines; preserve the asset-specific credit",
        "url": "https://www.nasa.gov/nasa-brand-center/images-and-media/",
        "note": "NASA-hosted scientific outreach image. No endorsement implied. No separately asserted third-party copyright was shown on these asset records; the full stated credits are retained."
      },
      "recommendedUse": "Default observed wide-field reference. Preserve source composition and aspect ratio. No spherical UV wrapping.",
      "object": "M42",
      "band": "hubble",
      "key": "M42-hubble",
      "image": "deep/M42-hubble.jpg",
      "field": "assets/deep/M42-hubble.bin",
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      "fieldLicense": {
        "name": "NASA imagery/media usage guidelines; preserve the asset-specific credit",
        "url": "https://www.nasa.gov/nasa-brand-center/images-and-media/",
        "note": "NASA-hosted scientific outreach image. No endorsement implied. No separately asserted third-party copyright was shown on these asset records; the full stated credits are retained."
      }
    },
    {
      "id": "m42-webb",
      "download": "https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2023/09/orion_nebula_in_nircam_long-wavelength_channel/25105128-1-eng-GB/Orion_Nebula_in_NIRCam_long-wavelength_channel.png",
      "sourceWidth": 2048,
      "sourceHeight": 1394,
      "width": 6.0,
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      "sourceSha256": "b6d6c78d350ca6b65e80ede2da7f63271611b8c6f8b6c93ae58e6a2314029208",
      "sha256": "f4ff0c9717452ff80c28bd9bd52a65b4b94982f3ecb22d35758cd77ee29b442f",
      "adaptation": "Aspect-preserving downsample to at most 2200 px, JPEG quality 93; no crop, recoloring, compositing or invented structures.",
      "target": "M42 inner nebula and Trapezium Cluster",
      "labelKo": "웹 · 안쪽 영역 · 근적외선",
      "source": "https://www.esa.int/ESA_Multimedia/Images/2023/09/Orion_Nebula_in_NIRCam_long-wavelength_channel",
      "observationMetadataSource": "https://arxiv.org/html/2310.03552v1",
      "observations": [
        {
          "facility": "JWST / NIRCam long-wavelength channel",
          "program": "1256",
          "startUTC": "2022-09-26T13:39:59Z",
          "endUTC": "2022-10-02T03:24:08Z"
        }
      ],
      "released": "2023-10-02",
      "coverage": {
        "kind": "partial M42; complete inner-nebula survey",
        "fieldArcmin": [
          10.9,
          7.5
        ],
        "approxPhysicalFieldLightYears": [
          4.0,
          2.75
        ],
        "scopeKo": "트라페지움과 성운 안쪽 조사 영역. 허블 광역 영상보다 작은 시야이며 오리온성운 전체가 아님."
      },
      "filtersAndDisplayRGB": {
        "F277W": [
          52,
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          255
        ],
        "F300M": [
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        ],
        "F335M": [
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          0
        ],
        "F360M": [
          255,
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          0
        ],
        "F444W": [
          255,
          122,
          0
        ],
        "F470N": [
          255,
          0,
          0
        ]
      },
      "colorMappingSource": "https://arxiv.org/html/2310.03552v1#S4.SS4",
      "colorCaveatKo": "보이지 않는 근적외선 파장에 가시색을 배정. 허블 사진과 색·시야·방향이 달라 단순 겹치기나 시점 변화로 취급하면 안 됨.",
      "credit": "NASA, ESA, CSA / Science leads and image processing: M. McCaughrean, S. Pearson",
      "license": {
        "name": "CC BY-SA 3.0 IGO",
        "url": "https://creativecommons.org/licenses/by-sa/3.0/igo/",
        "sourceLicenseStatement": "ESA asset page explicitly offers CC BY-SA 3.0 IGO or ESA Standard Licence.",
        "derivative": "Resized/re-encoded JPEG is supplied under CC BY-SA 3.0 IGO; preserve credit and licence link."
      },
      "recommendedUse": "Separate infrared reference view with explicit inner-region label; do not replace the full-field Hubble image as if footprints matched.",
      "object": "M42",
      "band": "webb",
      "key": "M42-webb",
      "image": "deep/M42-webb.jpg",
      "field": "assets/deep/M42-webb.bin",
      "frameX": 0.0,
      "count": 44544,
      "stride": 7,
      "imageSha256": "f4ff0c9717452ff80c28bd9bd52a65b4b94982f3ecb22d35758cd77ee29b442f",
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      "sampleDimensions": [
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      "fieldLicense": "CC BY-SA 3.0 IGO"
    },
    {
      "id": "helix-hubble",
      "download": "https://assets.science.nasa.gov/content/dam/science/missions/hubble/releases/2004/12/STScI-01EVT8H7GZS1W920S8QF9SS332.tif/jcr:content/renditions/6145x6623.jpg",
      "sourceWidth": 6145,
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      "sha256": "7b1260819373737e6e7bbc739fdbddf5d15504f7570cad5a0612ad1c0e050d3e",
      "adaptation": "Aspect-preserving downsample to at most 2200 px, JPEG quality 93; no crop, recoloring, compositing or invented structures.",
      "target": "NGC 7293 / Helix Nebula",
      "labelKo": "허블·CTIO 광역 관측",
      "source": "https://science.nasa.gov/asset/hubble/the-helix-nebula-a-gaseous-envelope-expelled-by-a-dying-star/",
      "additionalSource": "https://esahubble.org/images/opo0432d/",
      "observations": [
        {
          "facility": "Hubble / ACS",
          "dates": "2002-11-19",
          "exposure": "4.5 hours"
        },
        {
          "facility": "CTIO 4m / Mosaic II",
          "dates": "2003-09-17 to 2003-09-18",
          "exposure": "10 minutes"
        }
      ],
      "released": "2004-12-16",
      "coverage": {
        "kind": "wide-field composite",
        "fieldArcmin": [
          27.26,
          29.38
        ],
        "scopeKo": "중심 허블 관측과 외곽 CTIO 관측을 합친 넓은 시야. 주 고리와 외곽 가스를 포함하지만 가장 희미한 모든 헤일로의 완전한 지도를 뜻하지 않음."
      },
      "filtersAndDisplayColors": {
        "blue": [
          "ACS F502N [O III]"
        ],
        "green": [
          "CTIO c6009 H-alpha",
          "CTIO kc6014 [O III]"
        ],
        "red": [
          "ACS F658N H-alpha"
        ]
      },
      "colorCaveatKo": "협대역 방출선 필터를 표시색으로 합성한 관측 사진. 맨눈 RGB와 다름.",
      "credit": "NASA, ESA, C.R. O'Dell (Vanderbilt University), M. Meixner and P. McCullough (STScI)",
      "license": {
        "name": "NASA imagery/media usage guidelines; preserve the asset-specific credit",
        "url": "https://www.nasa.gov/nasa-brand-center/images-and-media/",
        "note": "NASA-hosted scientific outreach image. No endorsement implied. No separately asserted third-party copyright was shown on these asset records; the full stated credits are retained."
      },
      "recommendedUse": "Default wide observed view and projected morphology reference. Retain non-square aspect ratio; no texture wrapped around a sphere.",
      "object": "Helix",
      "band": "hubble",
      "key": "Helix-hubble",
      "image": "deep/Helix-hubble.jpg",
      "field": "assets/deep/Helix-hubble.bin",
      "frameX": 0.0,
      "count": 63675,
      "stride": 7,
      "imageSha256": "7b1260819373737e6e7bbc739fdbddf5d15504f7570cad5a0612ad1c0e050d3e",
      "fieldSha256": "0ee0f218302c37f1c69851a13d393f27cae7f4b53bc9d7d0ee1fabe0a5e8c20c",
      "sampleDimensions": [
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      ],
      "fieldLicense": {
        "name": "NASA imagery/media usage guidelines; preserve the asset-specific credit",
        "url": "https://www.nasa.gov/nasa-brand-center/images-and-media/",
        "note": "NASA-hosted scientific outreach image. No endorsement implied. No separately asserted third-party copyright was shown on these asset records; the full stated credits are retained."
      }
    },
    {
      "id": "helix-webb",
      "download": "https://assets.science.nasa.gov/content/dam/science/missions/webb/science/2026/01/STScI-01KCMAMZ8ZSMRTR9KKD8Y6EMRJ.png/jcr:content/renditions/2000x1450.jpg",
      "sourceWidth": 2000,
      "sourceHeight": 1450,
      "width": 6.0,
      "height": 4.35,
      "bytes": 1246493,
      "sourceSha256": "a08773de4c809a53bb4f8634368841b66a3d26b1771c3de6b9fd53ac9e3cc396",
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      "adaptation": "Aspect-preserving downsample to at most 2200 px, JPEG quality 93; no crop, recoloring, compositing or invented structures.",
      "target": "NGC 7293 / Helix Nebula cometary-knot region",
      "labelKo": "웹 · 매듭 부분 · 근적외선",
      "source": "https://science.nasa.gov/asset/webb/helix-nebula-nircam/",
      "observations": [
        {
          "facility": "JWST / NIRCam",
          "dates": "2024-10-24",
          "program": "6557",
          "principalInvestigator": "M. Garcia Marin"
        }
      ],
      "released": "2026-01-20",
      "coverage": {
        "kind": "partial; cometary-knot region",
        "widthArcmin": 5.6,
        "approxWidthLightYears": 1,
        "scopeKo": "성운 고리의 작은 영역에 있는 혜성 모양 매듭. 성운 전체가 아니며 중심 백색왜성은 화면 밖."
      },
      "filtersAndDisplayColors": {
        "blue": [
          "F115W",
          "F187N"
        ],
        "green": [
          "F212N",
          "F356W"
        ],
        "red": [
          "F444W",
          "F470N"
        ]
      },
      "colorCaveatKo": "근적외선 필터를 가시색으로 배정한 합성. 영상 속 밝은 별을 중심 백색왜성으로 표시하면 안 됨.",
      "credit": "Image: NASA, ESA, CSA, STScI; Image Processing: Alyssa Pagan (STScI)",
      "license": {
        "name": "NASA imagery/media usage guidelines; preserve the asset-specific credit",
        "url": "https://www.nasa.gov/nasa-brand-center/images-and-media/",
        "note": "NASA-hosted scientific outreach image. No endorsement implied. No separately asserted third-party copyright was shown on these asset records; the full stated credits are retained."
      },
      "contextSource": "https://science.nasa.gov/asset/webb/helix-nebula-context-vista-and-webb/",
      "recommendedUse": "Detail card or separate close-up view, never mapped over the entire Helix ring or repeated as full-nebula coverage.",
      "object": "Helix",
      "band": "webb",
      "key": "Helix-webb",
      "image": "deep/Helix-webb.jpg",
      "field": "assets/deep/Helix-webb.bin",
      "frameX": 0.0,
      "count": 47616,
      "stride": 7,
      "imageSha256": "f712affb2c29566a687572e1a5a8a34576539f554d316a5b40a64b9f54da58a6",
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      "sampleDimensions": [
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      "fieldLicense": {
        "name": "NASA imagery/media usage guidelines; preserve the asset-specific credit",
        "url": "https://www.nasa.gov/nasa-brand-center/images-and-media/",
        "note": "NASA-hosted scientific outreach image. No endorsement implied. No separately asserted third-party copyright was shown on these asset records; the full stated credits are retained."
      }
    },
    {
      "id": "m31-hubble-2025",
      "object": "M31",
      "role": "default-wide-observation",
      "title": "안드로메다 · Hubble PHAT+PHAST 관측 모자이크",
      "source": "https://esahubble.org/images/heic2501a/",
      "scientificMetadataSource": "https://science.nasa.gov/asset/hubble/hubble-m31-phatphast-mosaic/",
      "directUrl": "https://cdn.esahubble.org/archives/images/publicationjpg/heic2501a.jpg",
      "releaseDate": "2025-01-16",
      "observationDates": {
        "start": "2010-07",
        "end": "2022-12",
        "precision": "month"
      },
      "telescope": "Hubble Space Telescope",
      "instrument": "ACS",
      "filters": [
        {
          "filter": "F475W",
          "color": "blue"
        },
        {
          "filter": "F814W",
          "color": "yellow"
        }
      ],
      "colorInterpretation": "가시광·근적외선의 두 필터를 색으로 배정한 관측 합성. 사람 눈의 자연색을 직접 측정한 RGB 사진은 아님.",
      "coverage": "PHAT+PHAST가 관측한 M31 원반의 넓은 모자이크. 계단형 검은 영역은 데이터가 없는 곳이며 은하의 물리적 끝이나 검은 구름이 아님. 원본 관측 footprint를 보존함.",
      "containsNucleus": true,
      "containsEntireGalaxy": false,
      "fieldOfViewArcmin": [
        140.6,
        32.88
      ],
      "northFromUpDegClockwise": 125.0,
      "centerICRSdeg": [
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        41.3858104149
      ],
      "sourceReferenceDimensions": [
        42208,
        9870
      ],
      "credit": "NASA, ESA, B. Williams (University of Washington)",
      "extendedNasaCredit": "NASA, ESA, Benjamin Williams (UWashington), Zhuo Chen (UWashington), L. Clifton Johnson (Northwestern); Image Processing: Joseph DePasquale (STScI)",
      "licenseSource": "https://esahubble.org/copyright/",
      "morphology": "밝고 노란 중심 팽대부, 더 푸른 바깥 원반, 비대칭 먼지 띠를 보존. 지구에서 원반은 약 77도 기울어져 보임.",
      "morphologySource": "https://esahubble.org/news/heic2501/",
      "metadataCaveat": "ESA 이미지 표의 WFC3 표기와 NASA 상세 자산 ACS 표기가 다름. 실제 F475W/F814W PHAT+PHAST 모자이크의 기기는 NASA 상세 메타데이터의 ACS를 채택. ESA 원본 AVM의 I 중심파장 817 nm는 필터 이름 F814W와 별도임.",
      "download": {
        "file": "m31-hubble-2025-download.jpg",
        "width": 4000,
        "height": 935,
        "bytes": 1188951,
        "sha256": "35199988fe9ccb791d20a6e8274c1ebbbed5e87130cba057c61872ae701e4db6"
      },
      "webAsset": {
        "file": "m31-hubble-2025-2400.jpg",
        "width": 2400,
        "height": 561,
        "bytes": 436983,
        "sha256": "0f89ef60f06f386a26bb7af5a9cf1f5d34d355ca3822b0e2bcf87bdd7841877f"
      },
      "xmpFile": "m31-hubble-2025-source-xmp.xml",
      "license": "CC BY 4.0",
      "band": "hubble",
      "key": "M31-hubble",
      "image": "deep/M31-hubble.jpg",
      "field": "assets/deep/M31-hubble.bin",
      "width": 7.2,
      "height": 1.683,
      "frameX": 0.22689280275926285,
      "count": 10810,
      "stride": 7,
      "imageSha256": "0f89ef60f06f386a26bb7af5a9cf1f5d34d355ca3822b0e2bcf87bdd7841877f",
      "fieldSha256": "2c86c60f8eeb606e3acdb59cae2c109e6f02d86fb5a73af69230151af3e7f5fd",
      "sampleDimensions": [
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      ],
      "fieldLicense": "CC BY 4.0"
    },
    {
      "id": "m51-hubble-2005",
      "object": "M51",
      "role": "default-wide-observation",
      "title": "소용돌이은하와 NGC 5195 · Hubble 광역 관측",
      "source": "https://esahubble.org/images/heic0506a/",
      "scientificMetadataSource": "https://science.nasa.gov/asset/hubble/out-of-this-whirl-the-whirlpool-galaxy-m51-and-companion-galaxy/",
      "directUrl": "https://cdn.esahubble.org/archives/images/publicationjpg/heic0506a.jpg",
      "releaseDate": "2005-04-25",
      "observationDates": {
        "start": "2005-01-18",
        "end": "2005-01-22",
        "precision": "day",
        "exposureHours": 9
      },
      "telescope": "Hubble Space Telescope",
      "instrument": "ACS/WFC",
      "filters": [
        {
          "filter": "F435W",
          "color": "blue"
        },
        {
          "filter": "F555W",
          "color": "green"
        },
        {
          "filter": "F658N",
          "color": "red",
          "feature": "H-alpha + [N II]"
        },
        {
          "filter": "F814W",
          "color": "red"
        }
      ],
      "colorInterpretation": "가시광·근적외선의 과학 필터 합성. 분홍색은 주로 방출선 별형성 영역이며 인간 시각의 무처리 RGB는 아님.",
      "coverage": "주은하 NGC 5194의 두 나선팔과 동반은하 NGC 5195가 함께 들어 있는 광역 시야. 유한한 영상 범위가 모든 희미한 외곽 구조를 포함한다는 뜻은 아님.",
      "containsNucleus": true,
      "containsCompanionNGC5195": true,
      "containsEntireGalaxy": false,
      "fieldOfViewArcmin": [
        9.56,
        6.64
      ],
      "northFromUpDegClockwise": 91.9,
      "centerICRSdeg": [
        202.468074158,
        47.213174399
      ],
      "sourceReferenceDimensions": [
        11477,
        7965
      ],
      "credit": "NASA, ESA, S. Beckwith (STScI), and The Hubble Heritage Team (STScI/AURA)",
      "licenseSource": "https://esahubble.org/copyright/",
      "morphology": "거의 정면에서 본 큰 나선은하. 밝은 두 팔, 노란 중심, 어두운 먼지 띠, 푸른 젊은 성단, 분홍 별형성 영역. NGC 5195는 원반 뒤쪽에 위치하는 상호작용 동반은하.",
      "morphologySource": "https://esahubble.org/images/heic0506a/",
      "download": {
        "file": "m51-hubble-2005-download.jpg",
        "width": 4000,
        "height": 2776,
        "bytes": 4060187,
        "sha256": "7b13a932bcf54653c591d369e8d1c4cbdbeb693ecc468242facb239fde52e4c2"
      },
      "webAsset": {
        "file": "m51-hubble-2005-2400.jpg",
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        "sha256": "f4ce977d26b8f4c73c9aa47cf7245689dbe81a9dd30bc3d70965fb1e540d4372"
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      "xmpFile": "m51-hubble-2005-source-xmp.xml",
      "license": "CC BY 4.0",
      "band": "hubble",
      "key": "M51-hubble",
      "image": "deep/M51-hubble.jpg",
      "field": "assets/deep/M51-hubble.bin",
      "width": 6.0,
      "height": 4.165,
      "frameX": 1.2217304763960306,
      "count": 45388,
      "stride": 7,
      "imageSha256": "f4ce977d26b8f4c73c9aa47cf7245689dbe81a9dd30bc3d70965fb1e540d4372",
      "fieldSha256": "a59a4bfc3c4653e539d0f022d1be53419b93b6f7ac1ccea33b29515173e803e7",
      "sampleDimensions": [
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      ],
      "fieldLicense": "CC BY 4.0"
    },
    {
      "id": "m51-webb-2023",
      "object": "M51",
      "role": "infrared-partial-field",
      "title": "소용돌이은하 중심과 나선팔 · Webb NIRCam+MIRI",
      "source": "https://esawebb.org/images/potm2308a/",
      "directUrl": "https://cdn.esawebb.org/archives/images/publicationjpg/potm2308a.jpg",
      "releaseDate": "2023-08-29",
      "observationDates": null,
      "observationDateNote": "공식 이미지 페이지와 포함 AVM 메타데이터에는 촬영 날짜가 없음. 공개일을 촬영일로 대체하지 않았음. 프로그램은 FEAST #1783이며 이미지 편집 파일의 2023-08 날짜는 노출 날짜가 아님.",
      "telescope": "James Webb Space Telescope",
      "instrument": "NIRCam + MIRI",
      "program": "1783 (FEAST)",
      "filters": [
        {
          "filter": "F115W",
          "wavelengthMicron": 1.15,
          "color": "purple"
        },
        {
          "filter": "F150W",
          "wavelengthMicron": 1.5,
          "color": "purple"
        },
        {
          "filter": "F187N",
          "wavelengthMicron": 1.87,
          "color": "blue",
          "feature": "Pa-alpha"
        },
        {
          "filter": "F200W",
          "wavelengthMicron": 2.0,
          "color": "blue"
        },
        {
          "filter": "F300M",
          "wavelengthMicron": 3.0,
          "color": "green"
        },
        {
          "filter": "F335M",
          "wavelengthMicron": 3.35,
          "color": "green",
          "feature": "PAH"
        },
        {
          "filter": "F405N",
          "wavelengthMicron": 4.05,
          "color": "yellow",
          "feature": "Br-alpha"
        },
        {
          "filter": "F444W",
          "wavelengthMicron": 4.44,
          "color": "yellow"
        },
        {
          "filter": "F560W",
          "wavelengthMicron": 5.6,
          "color": "orange"
        },
        {
          "filter": "F770W",
          "wavelengthMicron": 7.7,
          "color": "red",
          "feature": "PAH"
        }
      ],
      "colorInterpretation": "적외선 관측을 가시 색상으로 배정한 합성. 붉은 필라멘트는 먼지·복잡한 분자의 적외선 방출을 보여 줌. 맨눈의 색이나 불길이 아님.",
      "coverage": "주은하 핵과 나선팔 일부를 담은 가로로 긴 시야. 원본 8108×2746, 다운로드 4000×1355로 실제 픽셀과 AVM을 함께 확인. NGC 5195는 포함하지 않음. 정사각형 전체 은하로 늘리거나 회전 원반에 전면 덮지 말 것.",
      "containsNucleus": true,
      "containsCompanionNGC5195": false,
      "containsEntireGalaxy": false,
      "fieldOfViewArcmin": [
        5.41,
        1.83
      ],
      "northFromUpDegClockwise": -44.3,
      "centerICRSdeg": [
        202.4659010036648,
        47.1988569189009
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      "sourceReferenceDimensions": [
        8108,
        2746
      ],
      "credit": "ESA/Webb, NASA & CSA, A. Adamo (Stockholm University) and the FEAST JWST team",
      "licenseSource": "https://esawebb.org/copyright/",
      "download": {
        "file": "m51-webb-2023-download.jpg",
        "width": 4000,
        "height": 1355,
        "bytes": 4507751,
        "sha256": "dc5f7b6296f9a95ff21e7968bd28e5f35e23f7b462e2dfab6273056adfe5f7eb"
      },
      "webAsset": {
        "file": "m51-webb-2023-2400.jpg",
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        "sha256": "2115ac694821fe586cb4a15ccbddbe898761c2be5129eeeaa0c228af2ad306d1"
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      "xmpFile": "m51-webb-2023-source-xmp.xml",
      "license": "CC BY 4.0",
      "band": "webb",
      "key": "M51-webb",
      "image": "deep/M51-webb.jpg",
      "field": "assets/deep/M51-webb.bin",
      "width": 6.0,
      "height": 2.0325,
      "frameX": 0.0,
      "count": 22272,
      "stride": 7,
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      "fieldLicense": "CC BY 4.0"
    },
    {
      "id": "m51-webb-2026",
      "object": "M51",
      "role": "optional-latest-release-spiral-arm-detail",
      "title": "소용돌이은하 별형성 영역 · Webb NIRCam",
      "source": "https://esawebb.org/images/weic2608a/",
      "scientificMetadataSource": "https://www.nasa.gov/image-article/webb-studies-star-clusters/",
      "directUrl": "https://cdn.esawebb.org/archives/images/large/weic2608a.jpg",
      "releaseDate": "2026-05-06",
      "observationDates": null,
      "observationDateNote": "공식 이미지 페이지에 노출 날짜 미표기. 2026-05-06은 공개일이며 새로 촬영했다는 의미가 아님. FEAST #1783 자료.",
      "telescope": "James Webb Space Telescope",
      "instrument": "NIRCam",
      "program": "1783 (FEAST)",
      "filters": [
        {
          "filter": "F115W",
          "wavelengthMicron": 1.15,
          "color": "blue"
        },
        {
          "filter": "F150W",
          "wavelengthMicron": 1.5,
          "color": "blue"
        },
        {
          "filter": "F187N",
          "wavelengthMicron": 1.87,
          "color": "blue",
          "feature": "Pa-alpha"
        },
        {
          "filter": "F335M",
          "wavelengthMicron": 3.35,
          "color": "red",
          "feature": "PAH"
        },
        {
          "filter": "F405N",
          "wavelengthMicron": 4.05,
          "color": "green",
          "feature": "Br-alpha"
        },
        {
          "filter": "F444W",
          "wavelengthMicron": 4.44,
          "color": "red"
        }
      ],
      "colorAssignmentSource": "embedded AVM XMP; see m51-webb-2026-source-xmp.xml",
      "colorInterpretation": "근적외선을 가시 색상으로 배정한 관측 합성. 필터별 색은 원본 파일의 AVM 순서를 사용함.",
      "coverage": "나선팔 하나의 일부를 확대한 별형성 영역. 은하 핵과 동반은하가 모두 없는 부분사진.",
      "containsNucleus": false,
      "containsCompanionNGC5195": false,
      "containsEntireGalaxy": false,
      "fieldOfViewArcmin": [
        1.92,
        0.92
      ],
      "northFromUpDegClockwise": 40.8,
      "centerICRSdeg": [
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        47.22728844122318
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      "sourceReferenceDimensions": [
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        1376
      ],
      "credit": "ESA/Webb, NASA & CSA, A. Pedrini, A. Adamo (Stockholm University) and the FEAST JWST team",
      "licenseSource": "https://esawebb.org/copyright/",
      "download": {
        "file": "m51-webb-2026-download.jpg",
        "width": 2887,
        "height": 1376,
        "bytes": 2209417,
        "sha256": "67bb294f1b9041217683da70be95dac3ff326e698c2be55b58db50410d4abc01"
      },
      "webAsset": {
        "file": "m51-webb-2026-2400.jpg",
        "width": 2400,
        "height": 1144,
        "bytes": 1887906,
        "sha256": "cec9741e5b379509600724b1ba57240851237dadeff6be47faf5677844dd0aa2"
      },
      "xmpFile": "m51-webb-2026-source-xmp.xml",
      "license": "CC BY 4.0",
      "band": "webb2026",
      "key": "M51-webb2026",
      "image": "deep/M51-webb2026.jpg",
      "field": "assets/deep/M51-webb2026.bin",
      "width": 6.0,
      "height": 2.86,
      "frameX": 0.0,
      "count": 31051,
      "stride": 7,
      "imageSha256": "cec9741e5b379509600724b1ba57240851237dadeff6be47faf5677844dd0aa2",
      "fieldSha256": "afcbcb7fd8fdf2efd379edd1a2522e2338250cb698d8ce6de71b4612afbb8e3f",
      "sampleDimensions": [
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      "fieldLicense": "CC BY 4.0"
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  ],
  "processing": "Original frame and aspect ratio retained; official display RGB converted from sRGB to linear RGB, regular pixel samples. Black image gaps excluded. No contrast or palette changes. Seeded synthetic depth uses an explicitly illustrative cavity, tilted disk components or shallow field. Image brightness is NOT a measured distance or temperature.",
  "limitations": "2D angular morphology and filter-assigned colors are observed. Depth, disk thickness and navigable stars are not a measured 3D reconstruction. Fields are not registered to each other; view switches reset the camera. Scale is normalized per image, not comparable between fields.",
  "nebulaStructureEvidence": {
    "M42": {
      "observedFeatures": [
        {
          "feature": "Trapezium",
          "descriptionKo": "밝은 중심 성단. 뜨거운 별들의 자외선이 주변 가스를 이온화하고 분자운 표면의 공동을 형성.",
          "source": "https://www.esa.int/ESA_Multimedia/Images/2023/09/Orion_Nebula_in_NIRCam_long-wavelength_channel"
        },
        {
          "feature": "Dark Bay",
          "descriptionKo": "트라페지움 동쪽~북동쪽의 먼지 차폐 영역. 가시광 어두움을 단순한 빈 공간으로 만들지 말 것.",
          "source": "https://arxiv.org/html/2310.03552v1#S5"
        },
        {
          "feature": "Bright Bar / ionization front",
          "descriptionKo": "트라페지움 남동쪽에서 거의 옆면으로 보이는 광해리 경계. 이온화·원자·분자 가스의 전이를 구별.",
          "source": "https://arxiv.org/html/2310.03552v1#S5.SS1"
        }
      ],
      "inferred3D": {
        "descriptionKo": "별이 전면 분자운을 파낸 열린 공동, 뒤쪽 분자운 벽, 밝은 전면 및 먼지 차폐층을 구분한 근사 모델. 사진만으로 모든 입자의 깊이를 알 수 없음.",
        "source": "https://science.nasa.gov/missions/hubble/nasa-space-telescopes-provide-a-3d-journey-through-the-orion-nebula/",
        "officialVisualizationCaveat": "NASA/STScI describes a scientifically reasonable approximation built from imagery, data and scientific intuition; it is not a fully measured volumetric scan."
      },
      "recommendedGeometry": "Open blister/cavity with a molecular-cloud rear wall, asymmetric fronts and separate obscuring dust, guided by the observed projection; no uniform spherical cloud."
    },
    "NGC7293": {
      "observedFeatures": [
        {
          "feature": "projected main ring and outer emission",
          "source": "https://science.nasa.gov/asset/hubble/the-helix-nebula-a-gaseous-envelope-expelled-by-a-dying-star/"
        },
        {
          "feature": "cometary knots",
          "descriptionKo": "고리 안쪽의 조밀한 가스·먼지 머리와 바깥쪽 꼬리. 실제 혜성이 아님. Webb는 이 매듭 영역 일부를 세밀하게 관측.",
          "source": "https://science.nasa.gov/missions/webb/intricacies-of-helix-nebula-revealed-with-nasas-webb/"
        }
      ],
      "inferred3D": [
        {
          "model": "thick cylindrical shell / barrel-like view",
          "descriptionKo": "NASA 대중 설명의 원통형 구조는 거의 축 방향으로 바라보는 형태의 요약. 개별 복셀의 측정지도 또는 단일 완전한 원통으로 확정된 뜻이 아님.",
          "source": "https://svs.gsfc.nasa.gov/30792"
        },
        {
          "model": "inner disk and outer tilted ring/torus",
          "descriptionKo": "영상과 지상 분광 속도에 기초한 서로 기울어진 두 성분 모델. 내부 고리·원반과 외부 토러스를 구분해 두 축의 구조를 표현.",
          "source": "https://science.nasa.gov/missions/hubble/a-new-twist-on-an-old-nebula/",
          "paper": "https://arxiv.org/abs/astro-ph/0407556"
        },
        {
          "model": "inner toroidal disk plus extended component",
          "descriptionKo": "후속 3D 연구의 토러스형 원반과 축 방향 확장 성분. 비대칭과 서로 다른 경사를 유지하고 관측에서 추론한 모델이라고 명시.",
          "source": "https://arxiv.org/abs/astro-ph/0505539"
        }
      ],
      "recommendedGeometry": "Layered inclined disk/torus and diffuse axial shell, with central white dwarf. Knots have illuminated heads toward the star and tails away. Do not treat the 2026 Webb image as global coverage, a new global map or a change in the nebula since Hubble."
    }
  }
}