I captured this image of a parhelion (sundog) on 24th February 2011 with the camera in my iPhone 3GS at Engadine. The Sun is seen shining through the eucalyptus tree at right in the frame (with a red internal reflection within the camera lens beside it).

The sunspot group AR11158 at the western edge of the Sun drawn 20 hours apart on 19 February 2011. Image and copyright Harry Roberts ©, all rights reserved AR11158 put on a fantastic spectacle for H-alpha users – but heavy cloud foiled most attempts to see it.

Sketch of the bright star Sirius and its white dwarf companion Sirius B, as seen in a four-inch (10-cm) Maksutov-type telescope. Image and copyright Harry Roberts ©, all rights reserved Sky-watchers today are having a ‘good run’ – a second transit of Venus is due soon, we’ve seen comets collide with Jupiter (more than once), supernovae have burst forth - and big ‘scopes can now be had for less than a week’s income.

Flux tube model of sunspot formation. Image and copyright Harry Roberts ©, all rights reserved “Giant Magnetic Squids!”- a scary idea, eh? Right now Readers, the giant “squids” are not scary enough!

The main stars of Hydra the female Water Snake with a few neighbours as seen from Australia looking east at about 10 pm AEDT in mid February. Image and copyright Nick Lomb ©, all rights reserved Recently on this blog we wrote about Hydrus the Male Water Snake.

The evolution of sunspots AR11147 and AR11149 over three days in January 2011. Image and copyright Harry Roberts ©, all rights reserved Given the current dearth of big sunspots AR11147 was a welcome sight as it rounded the sun’s east limb, in brief cloud gaps– a large single spot with penumbra.

A picture of the Moon showing colours. Image and copyright David Lloyd-Jones ©, all rights reserved An interesting question about the reality of colours shown on moon photographs was referred to Harry Roberts, who is a frequent contributor to this blog and a member of the Sydney City Skywatchers.