DeepSkyHosting

Helix Nebula (NGC 7293)

AstroDinsk
3486999
Category:Deep Sky
Published:
2229
Helix Nebula (NGC 7293)NGC 7293
Resolution:
2667x1877 px
File size:
21355 KB

Technical information

Telescope/Lens
William Optics ZenithStar 81 / ZS81
Camera
ZWO ASI294MC Pro (Cool) / ZWO ASI533MM Pro (Cool)
Mount
HEQ5PRO SynScan GoTo
Guide Scope
SVBONY 60/240
Guide Camera
ZWO ASI290MM Mini
Accessories
William Optics 0.8x Reducer/Flattener
Software
Pixinsight
Location
Станица Динская, Россия

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 24 × 300″ · ISO/Gain: 100 · Optolong H-Alpha 7nm 2" ·
  • 13 × 300″ · ISO/Gain: 120 · Optolong L-eXtreme 2" ·
  • 23 × 300″ · ISO/Gain: 100 · SVBony OIII 7nm 2" ·

Total exposure: 5 h 0 m

Comments

Ivvan22
Nice photo! I see you have both color cameras in use. How do they perform with narrowband filters? And in your opinion, which camera shows better performance? I'm currently deciding between the 294 and 533, leaning towards the 294 for now.
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AstroDinskReply to Ivvan22
Thanks, I have the 294 color and 533 mono. Personally, I like the 533 more for many reasons, but the field of view is a bit small and the sensor is square—I'm currently using both. With the 294, there are issues with gradients, both on the color version and the narrowband version. There's less hassle in processing when working with the 533; a friend had the 533 color and didn't have any problems at all—he only switched it because of the square sensor.
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Ivvan22Reply to AstroDinsk
Exactly, 533 mono... I've looked and looked. It's the square sensor that puts me off the most. Thanks for the answer.
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AstroDinskReply to Ivvan22
The next step up in camera class is the 2600MC. It offers a wide field of view and avoids the issues of the 294. While many people do shoot with the 294, personally, I don't find it as convenient.
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Ivvan22Reply to AstroDinsk
The price of 2600 is, to put it mildly, beyond acceptable.
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Astrobanya
Beautiful photo, you can see the effort put into it. Respect!
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AstroDinskReply to Astrobanya
Thank you, yes, I had to work on it quite a bit—it was very low in the sky.
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