The phrase "although it is obvious" is correct and usable in written English.
You can use it to introduce a statement that acknowledges something that is clear or evident, often to emphasize a point or contrast with another idea.
Example: "Although it is obvious that the project requires more funding, the committee has yet to approve the budget increase."
Alternatives: "even though it's clear" or "despite being apparent".
It has a cod-existentialist pseudo-angst that keeps reminding me of the 1950s British artist Reg Butler, although it is obvious Gormley would rather be thought of as a 21st-century Giacometti.
Although it is obvious that editors would not wish to repeat the sins of the past, they are fascinated by the story and remain wedded, as always, to the kind of scoop journalism that can lead them to overstep the mark.
Most of his barbs are aimed either at Kitty's gay friend Carl Brian Keanee), whose relationship with a much younger lifeguard gets under Miles's skin, or Miles's wife, Bea (Kate Arrington), who has embarked on a home redesign as a therapeutic "joint project" for the couple, although it is obvious that Miles has ceased to see their marriage as one.
Although it is obvious in Fig. 7 that the 2D deterministic shadowing from the MR-FDPF model is correlated, we want to know how much it is correlated.
Although it is obvious from Lombard's formulation that both intellect and will have something to do with liberum arbitrium, their exact relationship is unclear.
Although it is obvious that the size effect nearly doubled from 1996 to 2006, such a change should be formally tested.
Also, although it was obvious right away that this item is a breathtaking technological advance, can you please inform us exactly what it is for?
Although it was obvious from her preceding remarks that this really was just a slip of the tongue, it's exactly the kind of slip that Palin can't afford to make if she wants to be a credible presidential candidate in 2012.
Although it was obvious at the time, it seems strange now that Jackie Chan was originally groomed by at least one Hong Kong producer as a successor to Bruce Lee, the lithe master of martial arts whose style was almost laughably serious in its grim-faced intensity.
Although it was obvious to few others at the time that Schubert, still little known outside Vienna or in grand musical forms, was a logical candidate to take up Beethoven's mantle, from this and other evidence it was apparent to Schubert, Mr. Gibbs plausibly suggests, as it has been to posterity.
Leslie Felperin Although it was obvious at the time, it seems strange now that Jackie Chan was originally groomed by at least one Hong Kong producer as a successor to Bruce Lee, the lithe master of martial arts whose style was almost laughably serious in its grim-faced intensity.
