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M101

lolek
35240
Category:Deep Sky
Published:
1230
M101NGC 5447NGC 5449NGC 5450NGC 5453NGC 5458NGC 5422NGC 5451NGC 5455NGC 5457NGC 5461NGC 5462NGC 5471NGC 5473NGC 5474NGC 5477NGC 5484NGC 5485NGC 5486
Resolution:
4660x3526 px
File size:
1660 KB

Technical information

Telescope/Lens
80/480 FPL53 Triplet APO Telescope
Camera
QHY QHY163C
Mount
Sky-Watcher HEQ5 Pro
Accessories
TS-Optics TSFlat2 Field Flattener
Software
DeepSkyStacker, FitStacker
Location
Дубна, Россия

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 12 × 120″ · ISO/Gain: 100 ·
  • 1 × 180″ · ISO/Gain: 20 ·
  • 3 × 180″ · ISO/Gain: 120 ·

Total exposure: 36 m

Comments

sedov_art
It would be nice to have flats, otherwise there's dust.
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lolekReply to sedov_art
Are you asking about the dark circles at the 5 o'clock position from the galaxy? That might be something with the camera...
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sedov_artReply to lolek
Yes, about them. I think it's dust on something, maybe on the sensor.
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