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

Jupiter & Saturn

Great Conjunction Jupiter and Saturn, on the 21st December 2020. See details and 7 more images.

penumbral eclipse

Penumbral Lunar Eclipse on the morning of 30 November 2020. See details.

venus and regulus

Venus and Regulus in conjunction (just 31' apart) on the morning of 3rd October 2020. See details.


NEOWISE C/2020 F3. Despite its low altitude, is a nice 2nd mag object, on 9 July 2020. See details and another later image.

M45 & Venus

Venus near M45 on night of 4/5 April 2020. See details.

mercury transit

Transit of Mercury 11 November 2019. See details.

All content and photos (unless stated) are by John O'Neill. © None may be reproduced without permission.
Variable Star Nights ( Site updated: 23 March 2021 (update history). Unless noted, all dates and times are in UT.

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