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IC417 The Spider and the Fly Nebulae


Carastro

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Imaged from SE London during the full Moon as was fed up with not having done any imaging for ages due to rubbish skies.  Also wanted to try to get something before all the nebulae finally give way to galaxy season.  It always seems to be clear when there is a full Moon, plus my location being Bortle 8 it is inevitably noisy.

 

Imaged over 2 nights, Monday and Tuesday 29th and 30th March, I did take some Oiii and Sii as well but I could not usefully use them to enhance the image (maybe better skies would have done so), plus I had to throw away quite a few of the RGB because of heavy gradients, both due to the Moon and when the target was getting into the London sky glow. 

 

I imaged this target once before - 3 years ago with my SW130PDS but did not get the fly in that image.  I see I had the same problem then with Sii and Oiii. 

 

Orientated this way I can finally see why they call this the Spider and the Fly.  

 

Skywatcher Esprit100 and Atik 460EX with Baader filters (Ha is 3.5nm)

HaRGB

Ha 23 x 600 (3h 50m)

Red 6 x 200 & 4 x 150 binned (30m)

Green 5 x 200 & 3 x 150 binned (24m)

Blue 6 x 200 & 4 x 150 (30m)

Total usable imaging time = 5hours 14mins

 

spacer.png

 

 

Edited by Carastro
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5 hours ago, Carastro said:

Imaged from SE London during the full Moon as was fed up with not having done any imaging for ages due to rubbish skies.  Also wanted to try to get something before all the nebulae finally give way to galaxy season.  It always seems to be clear when there is a full Moon, plus my location being Bortle 8 it is inevitably noisy.

 

Imaged over 2 nights, Monday and Tuesday 29th and 30th March, I did take some Oiii and Sii as well but I could not usefully use them to enhance the image (maybe better skies would have done so), plus I had to throw away quite a few of the RGB because of heavy gradients, both due to the Moon and when the target was getting into the London sky glow. 

 

I imaged this target once before - 3 years ago with my SW130PDS but did not get the fly in that image.  I see I had the same problem then with Sii and Oiii. 

 

Orientated this way I can finally see why they call this the Spider and the Fly.  

 

Skywatcher Esprit100 and Atik 460EX with Baader filters (Ha is 3.5nm)

HaRGB

Ha 23 x 600 (3h 50m)

Red 6 x 200 & 4 x 150 binned (30m)

Green 5 x 200 & 3 x 150 binned (24m)

Blue 6 x 200 & 4 x 150 (30m)

Total usable imaging time = 5hours 14mins

 

spacer.png

 

 

Looks great considering your light pollution, and judging by your location, and the location of the Nebula, you must be imaging directly towards the light pollution. At least Cygnus is now rising in the East just after midnight., providing you have a nice view East.

 

Brian

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The beginning of the evening was not so bad especially on the 2nd night as the Moon didn't rise until 10pm, and then was behind the houses for a bit, but by about 11.30 onwards the target had definitely drifted into the London LP. 

4 hours ago, AstronomyUkraine said:

At least Cygnus is now rising in the East just after midnight., providing you have a nice view East.

 

Unfortunately I can't see it until it has risen over the house tops a good 45 degrees or more up, so have to wait some time yet. 

 

Carole  

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2 minutes ago, Carastro said:

The beginning of the evening was not so bad especially on the 2nd night as the Moon didn't rise until 10pm, and then was behind the houses for a bit, but by about 11.30 onwards the target had definitely drifted into the London LP. 

 

Unfortunately I can't see it until it has risen over the house tops a good 45 degrees or more up, so have to wait some time yet. 

 

Carole  

You don't have the ideal location that's for sure. LP in the West, restriction to the East.

 

Brian

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3 hours ago, AstronomyUkraine said:

You don't have the ideal location that's for sure. LP in the West, restriction to the East.

 

Brian

Also a bank of trees to the South, and next door's tree that obstructs Orion etc for about 3 hours per night, as you say, not good at all. 

 

Thanks Bob.

 

Carole 

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