Tuesday, 21 December 2021
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You can just squeeze SH2-221 (SNR) and SH2-216 (PN) into one field of pier 14.

It is hard to see in Telescopius so I have shown the Cartes du Ciel field first:

[img width=1692,height=1193]https://www.roboscopes.com/media/kunena/attachments/961/SH2221-SH2216.jpg[/img]


SH2-221 on the left.

This is the Telescopius view:

[img width=572,height=457]https://www.roboscopes.com/media/kunena/attachments/961/SH2221-SH22162.jpg[/img]


Although both fairly faint, astrobin shows that nice narrowband images can be made with similar equipment.

What do you think?
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Hi Richard, 

I've been looking at that for a while and seen a couple of exquisite examples of the 3 primary objects. J P Metsevaino aka Astro anarchy has a write up on his website showing the 3 objects and their location. He used a fast camera lens, but I've seen others including one using the fsq106. The reason I've not submitted it is that JP says this was more of a challenge than the Spaghetti nebula, so I believe we'd need to allocate a huge amount of time. With what still remains to be captured on this pier and the outstanding reconfiguration of the setup, right now might not be the best time. Its location is on our side as I believe it doesn't start to rise on the east side of the meridian until late in February, and still be available for imaging to at least towards the end of April. 

The example shown below using a fsq106 and taken as a 3 panel mosaic, used a camera with a much larger pixel size which for equivalence greatly increases the amount of exposure time needed by our setup. 

I'm extremely keen on doing this but it would need a 2 panel mosaic after the reconfiguration and some agreement by the Syndicate for such a long project. An interesting possibility might be the new setup on pier 11 with the canon lens. That could prove costly individually unless Steve would, as a one off,  permit a mini syndicate and allow a few of us to share the cost between us. 

Thanks for making this suggestion something I failed to do. 

In response to your other post I'm pleased you didn't suffer too much in those storms, but 2 days without power is more than we've ever experienced here. Like you there is no gas supply here, so need to rely on an oil boiler, but at least since the power supply, previously on telephone poles, was buried underground there have been far less power outages. Hope you don't lose your power again this winter. 

Cheers, 

Ray

Ray
Roboscopes Guinea Pig


2 years ago
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#4251
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Yes, it is dim. Looking through astrobin images, you start to get something at about 6 hours, but many images run up to 24 hours exposure.

Happy to leave this and the other Sharpless objects in Auriga until the reconfiguration is complete and we see where we are.
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