Found Images: 2024 June

[bystander]

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Have you seen a great image or video somewhere that you think would make a great APOD? Nominate it for APOD! Please post as much information here as you have about the image/video with a link to any source(s) for it you know of here, and the editors will take a look.

When posting the image itself, please do not post anything larger than a thumbnail here; please honor the copyright holder's copyright.

Please keep hotlinked images under 500K.

Thank you!

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PM 1-320
http://www.astrophoton.com/PN_PM_1_320.htm
Copyright: Bernhard Hubl
http://www.astrophoton.com/images/PN_PM_1_320-1.jpg

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G43.8+2.1
https://www.astrobin.com/74itr6/
Copyright: Tim Schaeffer/NHZ team

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StDr 61
https://www.astrobin.com/rtdcdy/
Data: Mathieu Guinot
Processing: Marcel Drechsler

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Heart Nebula (IC 1805) and HB 3
https://www.astrobin.com/iy28nc/
Copyright: Bray Falls

The planetary nebula candidate StDr 61 is located to the north of the Heart Nebula.

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Hu 7
https://www.imagingdeepspace.com/hu-7.html
Copyright: Peter Goodhew

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M15
https://www.astrobin.com/h7d3wi/H/
Copyright: Matthias Olhoeft

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M37
https://www.astrobin.com/e90jkf/
Copyright: Antoine and Dalia Grelin

M37 is one of the few open clusters known to contain a planetary nebula, which is catalogued as IPHASX J055226.2+323724.

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IC 4601
http://www.astrostudio.at/1_Deep%20Sky% ... IC4601.jpg
Copyright: Gerald Rhemann

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NGC 7129 and G107.0+9.0
https://www.astrobin.com/diwu7q/
Copyright: Nicolas Martino

A scientific paper about G107.0+9.0 can be found here.

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NGC 4945
https://www.astrobin.com/6hk1n6/
Copyright: Bruno Rota Sargi

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NGC 5907
https://www.astrobin.com/ybhuyp/
Copyright: Michael Schmidt

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NGC 4725
https://www.astrobin.com/a0093f/
Copyright: Andre Vilhena

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M81
https://www.astrobin.com/xzrgxm/
Copyright: Ronald Hedden

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NGC 4449
https://www.astrobin.com/ltlyep/
Copyright: Timothy Prospero

[Ann]

M37
https://www.astrobin.com/e90jkf/
Copyright: Antoine and Dalia Grelin
kkYsOQppC5W6_2560x0_qNFj77Wg.jpg
M37 is one of the few open clusters known to contain a planetary nebula, which is catalogued as IPHASX J055226.2+323724.

Amazing! When I first saw the pink cloud in M37, I just couldn't understand what it was. It's a planetary nebula! It is very large, it is very old (the oldest known planetary?), it sits in a ~500 million year old cluster, and the progenitor star had a mass of about ∼2.8 M_☉, which would make it a star of late type B (B8 or B9).

The huge planetary nebula in M37 has been a planetary nebula for a long time (a million years???), but its presence in this cluster still tells us something about how long a late type B star with a mass of some 2.8 M_☉ can be expected to live, its red gianthood included.

Ann

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Longmore 18
https://members.pcug.org.au/~stevec/lon ... 3_2023.htm
Copyright: Steve Crouch

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Murrell 1
https://www.astrobin.com/7xk1y1/
Copyright: Andrew Murrell

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KinPau 1
https://www.astrobin.com/h8la3v/
Copyright: Sven Eklund

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Hu 2
https://www.astrobin.com/j4fkc8/
Copyright: Earle Waghorne

In the sky, Hu 2 is located in the vicinity of the supernova remnant CTA 1.

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CTA 1 and NGC 40
https://www.astrobin.com/txrhgn/
Copyright: Rolf Dietrich

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NGC 6946 and NGC 6939
https://www.astrobin.com/kxnhen/B/
Copyright: Chris Sullivan

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M17
https://www.astrobin.com/5u5axa/
Copyright: Patrick Chevalley

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Sh2-73
http://www.astrosurf.com/ilizaso/orriak ... Q_U16m.htm
Copyright: Iñaki Lizaso

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Aurora
https://www.astrobin.com/dut25c/
Copyright: Julien Cadena