Comet C/2015 V2 (Johnson) on Nov 8, 2015

Comet C/2015 V2 (Johnson) on Nov 8, 2015

Image of Comet C/2015 V2 (Johnson) captured on Nov 8, 2015 between 3:00 and 4:00 UT. Image taken with a 17 inches telescope for a total exposure time of approximately 50 minutes. Comet Johnson is currently at a distance of 866 million km from the sun, approximately of magnitude 17. It is expected to become…

Ceres Jun 18, 2015

Ceres on Jun 18, from an altitude of 4,400 kilometers

Processed image of Ceres, taken by the Dawn spacecraft on Jun 18, 2015. The surface is distant 4400 km and the resolution of the image is about 410 meters per pixel. The crater with bright borders has a diameter of about 25 kilometers. The original image (credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA) has been processed to enhance contrast and…

Vesta and Ceres conjunction on Jul 4 2014

Vesta and Ceres conjunction

One of the reasons why I have built The Sky Live, and in particular the ‘live tracker’ feature using real deep sky photos from DSS, was to be able to easily spot interesting and beautiful juxtapositions of Solar System objects and other deep space objects, like a comet passing close to a galaxy, a globular…

Comet 2013 UQ41

Image of Comet 2013 UQ4

This image of Comet 2013 UQ4 taken on Jun 28 2014 is the result of combining 19 different exposures, 90 seconds each, for a total integrated exposure of about 28 minutes. 2013 UQ4 is an interesting object because, at discovery in October 2013, it was initially classified as an asteroid, but started showing a comet-like behavior few…

Comet C/2014 E2 (Jacques), Apr 6 2014

Comet C/2014 E2 (Jacques)

Comet C/2014 E2 (Jacques) captured on 6th April 2014. This image (total exposure is 7 minutes and 30 seconds) shows a large coma and evident tail. The comet is quite close to the Earth (144.5 million kilometers) and the motion with respect of the background stars is quite evident even in short exposures. Comet Jacques…

Comet C/2013 A1

Image: Comet C/2013 A1 on Feb 23 2014

This image is the result of stacking 3 different exposures, 300 seconds each, taken using the iTelesope’s T13 instrument. It is possible to see here Comet C/2013 A1 (Siding Spring) (between the two red markers) as it appears on February 23 2014. The image is shown in negative to make more evident some small and faint detail…