Welcome back! Well, so in this post I'm going to tell you the sightings that I have documented since my first sighting on 25th of November 2011 to date.Here's by far my documentation told me :2011
November - 25th
December - 4th, 6th, 20th, 24th
2012
January - 17th-19th, 24th, 26th, 27th
February - 3rd-6th, 11th, 15th, 17th, 18th, 21st, 22nd
March (ongoing) - 3rd, 4th, 11th, 12th, 15th, 16th, 28th, 30th, 31st (today!)
Most of these sightings were for the usual 22-degree radius sun/moon halos, but I also have other arcs that I have seen, such as Upper Tangent Arc (UTA) on 5th & 21st of February '12, the 22-degree sundog on 20th December '11. There's also a parhelic circle captured on 3rd March '12. I hope I could see something more majestic, such as a Circumzenithal Arc (CZA) or Parry Arcs, but I guess my chances are limited in the tropical region where I live, though.
So here are some of my best photos of halo that I have taken... Enjoy!

The 22-degree radius moon halo and the corona, taken on 11th March, 2012.

The parhelic circle, taken on 3rd March, 2012.

The 22-degree radius halo, taken on 21st March, 2012.

The 22-degree radius halo and an upper tangent arc, taken on 21st March, 2012.

The 22-degree radius halo and a faint upper tangent arc, taken on 5th February, 2012.

The 22-degree radius halo and two sundogs/parhelion, taken on 20th December 2011.