21 Grk “and immediately coming up out of the water, he saw.” The present participle has been translated temporally, with the subject (Jesus) specified for clarity.
22 Or “sky.” The Greek word οὐρανός (ouranos) may be translated “sky” or “heaven,” depending on the context. The same word is used in v. 11.
23 The phrase like a dove is a descriptive comparison. The Spirit is not a dove, but descended like one in some sort of bodily representation.

In other versions

And when he came up out of the water, immediately he saw the heavens being torn open and the Spirit descending on him like a dove.

Just as Jesus was coming up out of the water, he saw heaven being torn open and the Spirit descending on him like a dove.

As soon as he came up out of the water, he saw the heavens being torn open and the Spirit descending on him like a dove.

As Jesus came up out of the water, he saw the heavens splitting apart and the Holy Spirit descending on him like a dove.

And immediately as he was coming up out of the water, he saw the heavens being split apart and the Spirit descending like a dove on him.

And straightway coming up out of the water, he saw the heavens opened, and the Spirit like a dove descending upon him:

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