NGC7822 in Hubble Palette (part of cosmic question mark nebula)

[tooth_dr]

This is part of a bigger nebula, centred on NGC7822.

I used my dual rig of APM 105/650 scopes with 0.75x Riccardi reducers given a focal length of 487mm at F4.65

 

Data with the mono QHY 268M:

• Ha 3nm Chroma filter 300s x 54 subs = 4.5 hours
• Oiii 3nm Chroma filter 300s x 54 subs = 4.5 hours

Data with the OSC ZWO 2600MC:

• Sii 3nm Chroma filter 300s x 48 subs = 4 hours
• RGB (unfiltered) 120s x 71 subs = 2 hours 22 minutes

 

 

Total integration time: 15 hours 22 minutes

 

Guided on Mesu e200 with an OAG/290MM using PHD2

Captured with SGPro v3

Stacked and processed in APP, PI, Images Plus, PS

 

I attached a couple of versions - original full version and cropped rotated version.  Both attached at 100%.

Edit - images from each filter attached and annotated version.

C+C welcome

Adam

 

 

 

Edited September 29, 2023 by tooth_dr

[carastro]

Fantastic Adam 

[tooth_dr]

2 hours ago, carastro said:

Fantastic Adam 

Thanks Carole 😊

[symmetal]

That's quite spectacular Adam. 🤗 Loads of detail I haven't seen before. It has it's own 'Pillars of Creation ' too. 😃

It seems the one of the main stars illuminating the nebula and causing the 'pillars' is BD +66 1673 which I've highlighted here, and is one of the hottest stars within 1 kpc of the Sun and has a luminosity 100,000 times the Sun. It's also an eclipsing binary star. It looks innocuous but all the pillars are pointing at it.

Where are you finding the clear skies to do these long exposures? 🙂

Alan

[simmo39]

nice!

[tooth_dr]

9 hours ago, symmetal said:

That's quite spectacular Adam. 🤗 Loads of detail I haven't seen before. It has it's own 'Pillars of Creation ' too. 😃

It seems the one of the main stars illuminating the nebula and causing the 'pillars' is BD +66 1673 which I've highlighted here, and is one of the hottest stars within 1 kpc of the Sun and has a luminosity 100,000 times the Sun. It's also an eclipsing binary star. It looks innocuous but all the pillars are pointing at it.

Where are you finding the clear skies to do these long exposures? 🙂

Alan

That’s very interesting Alan, thanks for that!  I gather data here there and everywhere, the advantage of putting in the effort of setting up an observatory.  I can walk out the back door, turn everything on, platesolve my target, focus and be started imaging and back in the house again in as little as 8 minutes (I ‘time it’ every time 😬)

 

42 minutes ago, simmo39 said:

nice!

Cheers Simon 

[Laurin Dave]

Very nice Adam..  8 minutes ..  I must time myself next time .. I do know that I can do it without the wife even noticing I’ve left the room 

Dave 

[tooth_dr]

36 minutes ago, Laurin Dave said:

Very nice Adam..  8 minutes ..  I must time myself next time .. I do know that I can do it without the wife even noticing I’ve left the room 

Dave 

Occasionally I say I’ll be back in ten and it’s 1+ hour later. The wife now accepts 10 minutes can mean anything.  But it’s a real benefit, you can justify setting up for an hour when it’s handy. 

[Stuart1971]

Another super image Adam…👏🏻👏🏻