Update (1400 EST): Reactions to the rocket continue to emerge. Donald Kirk wrote for the South China Morning Post that he believes the rocket was necessary for Kim Jong Un to overcome any potential power struggles. Furthermore, Kirk writes that North Korea is deperate for engagement, and this is a good chance for dialogue and aid in order to encourage opening.
Elsewhere, Kazakhstan announced they "regret" North Korea's launch and called for a return to the six party talks.  Germany has filed an official complaint through their ambassador in Pyongyang and stated it was a "deliberate provocation" and "irresponsible".