| B | Telescope.Data.WCS |
| BigEndian | Telescope.Data.Binary, Telescope.Asdf.NDArray |
| BinaryParseError | Telescope.Data.Array |
| BinaryValue | Telescope.Data.Binary |
| BinTable | Telescope.Fits.HDU, Telescope.Fits |
| binTable | Telescope.Fits.Encoding |
| BinTableHDU | |
| 1 (Type/Class) | Telescope.Fits.HDU, Telescope.Fits |
| 2 (Data Constructor) | Telescope.Fits.HDU, Telescope.Fits |
| BitPix | Telescope.Fits.BitPix, Telescope.Fits |
| bitPix | Telescope.Fits.BitPix |
| bitPixBits | Telescope.Fits.BitPix |
| bitPixBytes | Telescope.Fits.BitPix |
| BlankLine | Telescope.Fits.Header.Header, Telescope.Fits.Header |
| Block | Telescope.Asdf.Encoding.File |
| BlockData | |
| 1 (Type/Class) | Telescope.Asdf.Encoding.File |
| 2 (Data Constructor) | Telescope.Asdf.Encoding.File |
| BlockError | Telescope.Asdf.Error |
| BlockHeader | |
| 1 (Type/Class) | Telescope.Asdf.Encoding.File |
| 2 (Data Constructor) | Telescope.Asdf.Encoding.File |
| blockHeader | Telescope.Asdf.Encoding.File |
| BlockIndex | |
| 1 (Type/Class) | Telescope.Asdf.Encoding.File |
| 2 (Data Constructor) | Telescope.Asdf.Encoding.File |
| blockIndex | Telescope.Asdf.Encoding.File |
| blockIndexHeader | Telescope.Asdf.Encoding.File |
| blockMagicToken | Telescope.Asdf.Encoding.File |
| BlockSource | |
| 1 (Type/Class) | Telescope.Asdf.Encoding.File |
| 2 (Data Constructor) | Telescope.Asdf.Encoding.File |
| Bool | Telescope.Asdf.Node, Telescope.Asdf |
| Bool8 | Telescope.Asdf.NDArray.Types, Telescope.Asdf.NDArray |
| BPDouble | Telescope.Fits.BitPix, Telescope.Fits |
| BPFloat | Telescope.Fits.BitPix, Telescope.Fits |
| BPInt16 | Telescope.Fits.BitPix, Telescope.Fits |
| BPInt32 | Telescope.Fits.BitPix, Telescope.Fits |
| BPInt64 | Telescope.Fits.BitPix, Telescope.Fits |
| BPInt8 | Telescope.Fits.BitPix, Telescope.Fits |
| breakIndex | Telescope.Asdf.Encoding.File |
| BuilderBlock | |
| 1 (Type/Class) | Telescope.Fits.Encoding.Render |
| 2 (Data Constructor) | Telescope.Fits.Encoding.Render |
| builderBlock | Telescope.Fits.Encoding.Render |
| ByteOrder | Telescope.Data.Binary, Telescope.Asdf.NDArray |
| byteSize | Telescope.Data.Binary |
| BZip2 | Telescope.Asdf.Encoding.File |