Variable Star Nights
stars that make a difference
Some Astronomy by John O'Neill


Nearest-Perigee Full Moon of 1/2 January 2018. See details and larger image.


Near-Earth asteroid 3200 Phaethon passes close to Earth, photographed on 16 December 2016. See details.


Total Solar Eclipse of 21 August 2017 from Wyoming, USA. See three more images.


Penumbral Lunar Eclipse on night of 10-11 February 2017. See details.


Icelandic Aurora on the night of 29-30 September 2016. See details and another picture.

All content and photos (unless stated) are by John O'Neill. © None may be reproduced without permission.
Variable Star Nights ( Site updated: 15 Feb 2018 (update history). Unless noted, all dates and times are in UT.

I have given talks for AAVSO, Cosmos Star Party, Cork AC, DIAS (Dunsink Obs.), IAA, IAS, IAS Astrofest, IFAS Solarfest, NIAAS, Rush AG and the Stellafane Convention (Vermont).