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


2018 Y1 Iwamoto, another low surface-brightness comet, on 14-15 February 2019. See details.


Total Lunar Eclipse on night of 20-21 January 2019. See details and another image.


46P/Wirtanen, low surface-brightness comet, on 12-13 January 2019. See details.


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.

All content and photos (unless stated) are by John O'Neill. © None may be reproduced without permission.
Variable Star Nights ( Site updated: 17 February 2019 (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).