Transit of Mercury
As usual, missed first contact by a few seconds, but had a fine view of second contact with 279mm SCT @70x with Kendrick Baader filter. Seeing poor but transparency good. Temperature =
No sign of "black drop" at second contact: just a clean crisp tiny black disk against the Sun's limb.
Michael Watson has just posted a nice image of Mercury and the sunspot group near the centre of the disk:
Michael Watson's image
09:00–09:10: Mercury is now well onto the Sun's disk, but the seeing has deteriorated badly, with vast ripples across the face of the Sun. Temperature = +4°C.
10:00–10:10: I can now see the two small sunspots about half way between the large suspot group and Mercury. Temperature =