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One more for the ExoClock project – this one being the first for CMHASD trustee and treasurer Keith Rickard. It is of Exoplanet HAT-P-23b in the constellation Delphinus. ”HAT-P-23 b is a gas giant exoplanet that orbits a G-type star. Its mass is 2.09 Jupiters, it takes 1.2 days to complete one orbit of its […]
Whilst travelling early morning on a train to London, CMHASD Chairman John Archer saw this fine example of a sun pillar on the 23rd October 2023. ”Sun pillars and light pillars are beams of light that extend vertically upward (or downward) from a bright light source, such as the sun or another bright light low […]
C/2023 P1 (Nishimura) is a long-period comet discovered by Hideo Nishimura on 12 August 2023 and member Martin Crow imaged it on the 20th August 2023. At the time of its discovery, the comet was in the constellation of Gemini and shining at magnitude +10.4. Image details: 5x60sec exposures. 235mm diameter SCT @ f5.4, SX694 mono […]
Another for the ExoClock project by Simon Dawes of the transit of exoplanet TrES-3b. TrES-3b is in a very tight orbit around its host star, TrES-3, transiting the stellar disk once per 31 hours. For comparison, Mercury orbits the sun once every 88 days. TrES-3b is just a little larger than Jupiter, yet orbits around […]
Four superb single shot images of the Milky Way captured by member Honor Wheeler whilst on holiday in Kelling Heath, Norfolk. In one of the photo’s there is a meteor!
Crayford Manor House Astronomical Society Dartford (CMHASD) were out in force at the recent New Scientist Live event at ExCel Centre, London Docklands on the 7th to 9th October 2023. We were there to help the British Astronomical Association (BAA) on their stand over the 3 days to promote the BAA and answer questions from […]
NEVER LOOK AT THE SUN DIRECTLY. Please click here for solar observing safely. On Saturday the 19th of August several members of the Society were present for the second of our 2 solar observing sessions at Hall Place & Gardens. Below are some photos of the day. Thank you to Dr Mike Rushton, Honor Wheeler, Jim Burchell, Omila […]
Several CMHASD members were out on the 29th September 2023 to image the final Supermoon of 2023 and below are their images. This full Moon is also known as the Harvest Moon as it is the closest Full Moon to the September equinox this year. Most years, the Harvest Moon is in September but around every […]
NEVER LOOK AT THE SUN DIRECTLY. Please click here for solar observing safely. On Saturday 14th October 2023 an annular solar eclipse crossed North, Central and South America. Member Richard Bohner; who lives in the USA wrote ”Hello all. There will be an annular solar eclipse here in Arizona on 14 October at 9:30 AM. The path […]
NEVER LOOK AT THE SUN DIRECTLY. Please click here for solar observing safely. On the 26th September 2023 member Simon Dawes imaged the Sun. One of his images of the sunspots on the Sun that day showed an interesting effect called the ‘Wilson Effect’. The Wilson effect is the perceived depression of a sunspot’s umbra or centre in […]