Luke 3:21

And it came to pass, in all the people being baptised, Jesus also being baptised, and praying, the heaven was opened,

John 1:32-34

And John testified, saying -- 'I have seen the Spirit coming down, as a dove, out of heaven, and it remained on him;

Matthew 3:13-17

Then cometh Jesus from Galilee upon the Jordan, unto John to be baptized by him,

Matthew 14:23

and having let away the multitudes, he went up to the mountain by himself to pray, and evening having come, he was there alone,

Mark 1:9-11

And it came to pass in those days, Jesus came from Nazareth of Galilee, and was baptized by John at the Jordan;

Luke 5:16

and he was withdrawing himself in the desert places and was praying.

Luke 9:18

And it came to pass, as he is praying alone, the disciples were with him, and he questioned them, saying, 'Who do the multitudes say me to be?'

Luke 9:28-29

And it came to pass, after these words, as it were eight days, that having taken Peter, and John, and James, he went up to the mountain to pray,

John 12:27-28

Now hath my soul been troubled, and what? shall I say -- Father, save me from this hour? -- but because of this I came to this hour;

Treasury of Scripture Knowledge

Summary

Now when all the people were baptized, it came to pass, that Jesus also being baptized, and praying, the heaven was opened,

And praying

General references

Bible References

That

Matthew 3:13
Then cometh Jesus from Galilee upon the Jordan, unto John to be baptized by him,
Mark 1:9
And it came to pass in those days, Jesus came from Nazareth of Galilee, and was baptized by John at the Jordan;
John 1:32
And John testified, saying -- 'I have seen the Spirit coming down, as a dove, out of heaven, and it remained on him;

And praying

Luke 9:28
And it came to pass, after these words, as it were eight days, that having taken Peter, and John, and James, he went up to the mountain to pray,
John 12:27
Now hath my soul been troubled, and what? shall I say -- Father, save me from this hour? -- but because of this I came to this hour;

The heaven

Matthew 3:16
And having been baptized, Jesus went up immediately from the water, and lo, opened to him were the heavens, and he saw the Spirit of God descending as a dove, and coming upon him,
Mark 1:10
and immediately coming up from the water, he saw the heavens dividing, and the Spirit as a dove coming down upon him;
John 1:32
And John testified, saying -- 'I have seen the Spirit coming down, as a dove, out of heaven, and it remained on him;

General references

Matthew 3:13
Then cometh Jesus from Galilee upon the Jordan, unto John to be baptized by him,