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Planetary Nebula Yerkes-McDonald 16

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About this observation
Observer
Peter Goodhew
Time of observation
17/07/2019 - 23:00
Object
YM16
Observing location
Fregenal de la Sierra, Spain
Equipment
APM TMB LZOS 152 Refractor
QSI6120wsg8 camera
Exposure
24 hours total RGN 20x600 each, Lum 22x600, Ha 21x1800 bin 2x2
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Peter mentions that this is a rarely-imaged, extremely faint planetary nebula in the constellation of Serpens Cauda.  It is also known as RCW 181 and PN G038.7+01.9.  It is named after the two observatories engaged in a survey of the sky in 1953/54 sky which discovered this very challenging and faint object. 

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SUN HALPHA 20190725 0914-0920UT PROM CFB

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Observer
Carl Bowron
Time of observation
25/07/2019 - 09:14
Object
Sun
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SUN HALPHA 20190725 0834-0857UT CFB

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Observer
Carl Bowron
Time of observation
25/07/2019 - 08:34
Object
Sun
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SUN HALPHA 20190724 0835-0838UT PROM CFB

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About this observation
Observer
Carl Bowron
Time of observation
24/07/2019 - 08:35
Object
Sun
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Solar diagram 23-7-19_20190724_0001

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Observer
Monty Leventhal
Time of observation
23/07/2019 - 22:20
Object
Sun
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SUN HALPHA 20190723 1304-1308UT PROM CFB

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About this observation
Observer
Carl Bowron
Time of observation
23/07/2019 - 13:04
Object
Sun
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SUN HALPHA 20190723 1134-1315UT AR2745 CFB

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About this observation
Observer
Carl Bowron
Time of observation
23/07/2019 - 11:34
Object
Sun
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Sun_Samworth_230719 gcomp10_59_59

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Observer
Roger Samworth
Time of observation
23/07/2019 - 10:59
Object
Sun
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John Chuter's picture

Sky Notes: 2019 August & September

(Written for 23:00 BST in the UK on September1.)

In the east, Pegasus and Andromeda are well clear of the horizon with M31 almost 50° in altitude. Lower in the sky however, the appearance of the Pleiades is an indicator that autumn is almost upon us. The Double Cluster in the sword handle of Perseus and the Heart and Soul Nebulae in neighbouring Cassiopeia are also at a similar altitude.

John Chuter's picture

Oor Big Braw Cosmos: A cocktail of cosmic science, imagery & poetry

It is clear from the title that this is an astronomy book like no other. Oor Big Braw Cosmos is, as Prof Chris Lintott from The Sky at Night, puts it, ‘the latest in cosmic thinking with a Scottish twist’. So it is, and lavishly illustrated as well. Written by Prof John C. Brown, the Astronomer Royal for Scotland (see interview, page XXX), this quite marvellous book also touches on astronomy history and culture.

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