Comet leonard stellarium full#
The Full Moon of December is also called the Cold Moon or the Long Nights Moon. On December 19, the Moon will reach its full phase for the last time in 2021. The following day, the comet will pass just 0.028 AU (4.2 million km) from Venus, probably creating a Venusian meteor shower. You will need access to very clear horizons to see comet Leonard near Venus. On December 17, about 30 minutes after sunset, A1 Leonard will be located below planet Venus. Observers in the Southern Hemisphere now have a chance to spot the fading comet in the coming days. Around this time, the comet will top out at a magnitude of +4. After that, it will switch to an evening object, lying at the western horizon at dusk. Why do gas giants occupy the outer solar system?ĭecember 13: Comet Leonard becomes an evening objectĭecember 12 will be the last day when comet Leonard can be seen in the morning sky.By now, the comet will be close to the Sun, as seen from the Earth, and won’t be easily visible.
Finally, on December 12, A1 Leonard will pass the celestial equator Southward and pass 0.233 AU from the Earth - its closest approach to our planet. As the month progresses, comet Leonard will travel closer to the horizon, and each day, it will become trickier to spot it. It’s so fast that it will change its position every day with respect to the background stars. The comet is moving at an impressive speed of ~254,000 km/hr. The waning Moon will pass close to Jupiter and Saturn on December 8 and 9. Image: Stellarium Web December 8-9: Moon, Jupiter, and Saturn
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