NGC6357 in SHO

[furgle (Adam)]

My second attempt at narrowband imaging. Usually I don't like the green level in the SHO palette, but I'm pretty chuffed at how this one turned out.

Full resolution image here

Image:

• 18x 900s 6nm H-alpha
• 26x 510s 12nm SII
• 22x 480s 12nm OII
• 25x 48s Red
• 21x 48s Green
• 26x 48s Blue

Total exposure 12 hours 5 minutes.


Hardware:

• Celestron EdgeHD 1100
• SkyWatcher EQ8 Mount
• Celestron 0.7x EdgeHD focal reducer
• QSI 683-ws Camera @ -15°C
• Astronomik Typ 2c RGB filters, 6nm Ha, 12nm SII, 12nm OIII
• Starlight Xpress Lodestar X2 Autoguider
• Innovations Foresight On Axis Guider
• Starlight Xpress Adaptive Optics
• Starlight Instruments Focus Boss II

[Atmos (Colin)]

That looks really good Adam! Nice seeing your improvement over the last 12 months as well too

[multiweb (Marc)]

+1 Excellent close up. Really well done indeed.

[gregbradley]

That is a very unusual framing. Very clever. You got a lot of detail there. Nice one.

Greg.

[strongmanmike (Michael)]

Some lovely detail in there Adam

Mike

[Ryderscope (Rodney)]

Wow, very nice work indeed Adam.

[RickS (Rick)]

Very cool, Adam! I haven't seen NGC6357 look quite like that before

[Placidus (Mike and Trish)]

A very different, but legitimate and informative, rendition.