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Blackett Observatory Dome
Welcome to the Marlborough College Blackett Observatory, home to the largest refracting telescope in Wiltshire. Learn more...
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SpaceWeather | More weather... Coordinates: 51.25.25 N and 1.44.24 W
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NASA Astronomy Picture of the Day
NGC 3239 and SN 2012A

What's Up - Week of 23rd January

  • Astronomical twilight ends at 18.38 UT at the start of the week and 18.48 UT at the end

  • The Moon is New on Monday and then waxes to First Quarter at the start of next week at the start of next week

  • The Sun has 4 active sunspot regions with 2 particularly active regions already producing Earth-bound CMEs. Watch out for another week of flares

  • There are no Tiangong 1 or ISS passes this week

  • There are no bright evening Iridium flares

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Random Blackett Image
Past Events - La Palma College Trip - April 2005

News: 26th January

House visit: 11 pupils from C1 Shell came up to the Dome. Arriving in rain the sky then cleared to reveal the setting crescent Moon and Venus. Jupiter and 4 moons was viewed in the ETX and M45 Pleiades in Binos. The 10 inch showed a good view of the Trapezium in M42

Next House visit: Thursday 2nd February (SU)

GCSE Observing: A couple of Remove pupils and a handful of Hundred came up to the Dome as the skies cleared to complete coursework. Binos were used for M45 drawing and Algol observations. The ETX viewed M31 though the moisture levels were a problem. The 10 inch allowed good drawing of M42, though as it had crossded the Meridian time was limited. M44 the Beehive cluster was then drawn. Binos were also used for star counts parallel to and perpendicular to the MW plane. Several meteors were seen including a lovely -3 fireball passing straight through the Square of Pegasus

23rd January

House visit: Unusually for a Monday, 10 pupils from C2 Shell came up to the Dome. The night was clear though the cloud to the North prevented any possible sightings of the Aurora seen elsewhere in England. The ETX looked at Jupiter and the Binos at M45. The 10 which tracked M42 Orion nebula

Next House visit: Thursday 26th January (C1)

19th January

House visit: 8 pupils from PR Shell came up to the Dome. Arriving in rain, the sky cleared enough during the hour to see Pleiades through Binos, Jupiter and 3 moons in the ETX. Cloud and rain then descended again before the 10 inch could be used

Next House visit: Monday 23rd January (C2)

17th January

House visit: 12 Shell from MM came up to the Dome. Some stars were visible though the humidity was high and skyglow rendered limiting magnitude only around 1.5 and seeing was IV+, nevertheless, M45 Pleiades were viewed in Binos. The 10 inch briefly viewed Castor and split it into 2 only

Next House visit: Thursday 19th January (PR)

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