Observation by Martina McGovern: M67 Open cluster, known as the King Cobr...

Uploaded by

Martina McGovern

Observer

Martina McGovern

Observed

2022 Jan 30 - 02:30

Uploaded

2022 Jan 31 - 16:55

Objects

M67

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Constellation

Cancer

Field centre

RA: 08^h50^m
Dec: +11°52'
Position angle: +84°16'

Field size

1°48' × 1°13'

Equipment

Sharpstar 100 QII, SkyWatcher HEQ5 PRO, ZWO ASIAir Pro, ZWO ASI294MC Pro, EAF & 60mm guide scope + ASI120MM mini & Optlong L-Pro Broadband filter. Plus, ZWO ASIAir Pro running the show

Exposure

60sec x 51 subs + 120sec x 28, L-pro data with Darks, Flats & Dark flats. Camera settings were Gain 120, cooled to T -10C. Guided image. Total integration time was 1hr 52mins

Location

Near Cambridge city UK, Bortle approx 4

Target name

M67 Open cluster

Title

M67 Open cluster, known as the King Cobra

About this image

M67 (or NGC 2682 )is an Open cluster, known as the King Cobra or sometimes the Golden eye cluster. Located in the constellation of Cancer.

Amateur astronomy wise, it seems to be a rarely photographed object – don’t know why as I think it is a beauty.

It is thought to be between 3.2 to 5 Billion years old and approx 2,800 Light years from us.

To help you to visualise/gauge the size of it in our skies, M67 is approx the same size as the full moon. It is about 20 Light years across.

Messier 67 is one of the oldest known open clusters, the few ones known to be older are not as close to us as M67.

It contains around 500 stars with about 100 stars similar to our sun. It contains 11 bright orange K-type giant stars and about 200 white dwarfs. Excluding around 30 Blue stragglers, the stars in M67 are all approx the same age and lie at the same distance.

Processing; Deep sky stacker, PixInsight with final tweaks in Photoshop + Topaz DeNoise AI.

Clear skies all.

Martina

Files associated with this observation

M67 The King Cobra cluster 29th Jan22 BAA.jpg (1.7 MB)

Like this image

Nick Hewitt, Manolo_Rodriguez, Ron Johnson, Graham Winstanley, Mr John William Hughes, Gerard Cauchi, Alan Thomas, Callum Potter, Carl Frederick Hansen

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