M27 - Dumbbell Nebula - 15 min (JanD)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: Dumbbell nebula · M 27 · NGC 6853 · The star 14Vul

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M27 - Dumbbell Nebula - 15 min

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M27 - Dumbbell Nebula - 15 min

The sun is going down earlier, temperatures are dropping - time to get the deep sky photo gear out again.

After assembling everything from scratch of course clouds slowy came in. I randomly chose M27 to set up and configure auto-guiding again.

After a while guiding got more or less stable starting from a total error of around 2.5" to in the end somewhat around 1.8". In my hands, the Exos-2 mount is capable of getting this total error to around 1.0" under perfect conditions. But this requests good seeing/transparency and a flawless balancing. Both were not given yesterday.

Sensor temperature of my "new" 2nd hand EOS 600D, which I modified myself, was around 30 °C. This is still quite high, but much better than it was before (up to 38 °C with the EOS 500D during May and June).

Initially I did not wanted to process or even publish anything this night, it was just planned to the the gear going again. I only ended up with 5x 180s more or less usable lights, some show decent trailing because of in between adjustment of PHD settings. Nevertheless I was curious what to get, so I processed the lights quickly. No flats, 6 bias and 2 darks were used.

I am looking forward to the new deepsky season!

Best,

Jan

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Status	Basic success
Started	...
Astrometry.net job	1687176
PixInsight job	n/a
PixInsight queue size	n/a
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M27 - Dumbbell Nebula - 15 min

M27 - Dumbbell Nebula - 15 min

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M27 - Dumbbell Nebula - 15 min

M27 - Dumbbell Nebula - 15 min

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