"I noted now" is correct and can be used in written English.
You can use it when you want to indicate that you are adding something to a conversation or document that you noticed at that exact moment. For example: "I was going through the contracts and I noted now that there were some discrepancies between them."
The son of renowned astronomer Harlow Shapley, who helped estimate the size of the Milky Way galaxy, Shapley noted: "Now, I'm ahead of my father.
"The word electrcity," he noted, "now sounds the note of danger.
Note: Now, I'm also withholding judgment for a minute until I get my hands on the Das Keyboard; after all, they're in the same category and we'll see whether one is demonstrably superior.
He went on to note, "Now, I have not yet seen where they have declared Adultery Pride Month, I have not seen where they have declared the Drunkenness Pride Month," before adding that "we're not celebrating those other forms as a society, we're not promoting [them] and teaching [them] as normal in our schools".
At the end of the film, Gerry Anderson notes: "Now I see a people with positivity and energy in their hearts.
A respondent echoed this concern noting " Now I think one important thing we now know is that the RNMCH continuum of care does not go far enough; we have talked about the impact of maternal mortality on family and society and what the RNMCH continuum does is an improvement but it does not go far enough" (Interview 3).
"I would simply like to note now that the duties inherent in this role are extensive and to be taken seriously.
A third of America's poor, she notes, now live in suburban areas.
(As I noted yesterday, by now both Gen. Dwight D. Eisenhower and Truman's chief of staff, Admiral William D. Leahy--top top ranking military officer for the U.S.--have both told Truman they oppose use of the new weapon against Japan).
